wsm M8540NARROW, M9540NARROW Workshop Manual

WORKSHOP MANUAL

KiSC issued 07, 2013 A

TRACTOR

M8540NARROW,

M9540NARROW

(SUPPLEMENT)

TO THE READER

KiSC issued 07, 2013 A

In this workshop manual, the primary more functions and changes of M8540Narrow tractor,

M9540Narrow Cabin tractor from M8540, M9540 tractor are given.

As for the items which are not given in this workshop manual, refer to M8540 and M9540 workshop

manual (Code No. 9Y121-01420).

Q Information

This section primarily contains information below.

• Safety First

• Safety Decal

• Specifications

• Dimensions

Q General

This section primarily contains information below.

• Engine Identification

• Model Identification

• General Precautions

• Maintenance Check List

• Check and Maintenance

• Special Tools

Q Mechanism

This section contains information on the structure and the function of the unit. Before you continue

with the subsequent sections, make sure that you read this section.

Refer to the latest version of Workshop Manual (Code No. 9Y021-01870 / 9Y021-18200) for the

diesel engine / tractor mechanism that this workshop manual does not include.

Q Servicing

This section primarily contains information below.

• Troubleshooting

• Servicing Specifications

• Tightening Torques

• Checking, Disassembling and Servicing

All illustrations, photographs and specifications contained in this manual are of the newest

information available at the time of publication.

KUBOTA reserves the right to change all information at any time without notice.
Since this manual includes many models, information or illustrations and photographs can show

more than one model.

December, 2008

© KUBOTA Corporation 2008

Record of Revisions

KiSC issued 07, 2013 A

For pdf, use search function {Search word} to find all revised locations.

Last digit

of the

Code No.

Issue

month

Main Revised Point and Corrective Measures {Search word}

3 2013.07 Added M9540Narrow Cabin Model {M9540} NI-10,

Revised travelling speed NI-12

Revised service interval NG-16

Added tire variation {tires} NG-47,

Added OPC for M9540Narrow Cabin {OPC} NG-20,

Reference

Page

N8-S20,

etc.

NG-48,

NG-51

N9-M24,

N9-S19

NI INFORMATION

KiSC issued 07, 2013 A

INFORMATION

KiSC issued 07, 2013 A

CONTENTS

1. SAFETY FIRST ............................................................................................................................NI-1

2. SAFETY DECALS ........................................................................................................................NI-4

3. SPECIFICATIONS......................................................................................................................NI-10

4. TRAVELING SPEEDS................................................................................................................NI-12

5. DIMENSIONS .............................................................................................................................NI-13

M8540Narrow, M9540Narrow, WSM

SAFETY FIRST

DANGER

WARNING

CAUTION

IMPORTANT

NOTE

KiSC issued 07, 2013 A

INFORMATION

1. SAFETY FIRST

• This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the
machine itself to warn of the possibility of personal injury. Read these instructions carefully.

• It is essential that you read the instructions and safety regulations before you try to repair or use this
unit.

• Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

• Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

• Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate
injury.

• Indicates that equipment or property damage could result if instructions are not followed.

• Gives helpful information.

WSM000001INI0001US0

BEFORE YOU START SERVICE

• Read all instructions and safety instructions in this
manual and on your machine safety decals.

• Clean the work area and machine.

• Park the machine on a stable and level ground, and
set the parking brake.

• Lower the implement to the ground.

• Stop the engine, then remove the key.

• Disconnect the battery negative cable.

• Hang a "DO NOT OPERATE" tag in the operator
station.

WSM000001INI0010US0

START SAFELY

• Do not do the procedures below when you start the
engine.
– short across starter terminals
– bypass the safety start switch

• Do not alter or remove any part of machine safety
system.

• Before you start the engine, make sure that all shift
levers are in neutral positions or in disengaged
positions.

• Do not start the engine when you stay on the ground.
Start the engine only from operator's seat.

WSM000001INI0015US0

NI-1

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

OPERATE SAFELY

• Do not use the machine after you consume alcohol
or medication or when you are tired.

• Put on applicable clothing and safety equipment.

• Use applicable tools only. Do not use alternative
tools or parts.

• When 2 or more persons do servicing, make sure
that you do it safely.

• Do not operate below the machine that only a jack
holds. Always use a safety stand to hold the
machine.

• Do not touch the hot parts or parts that turn when the
engine operates.

• Do not remove the radiator cap when the engine
operates, or immediately after it stops. If not, hot
water can spout out from the radiator. Only remove
the radiator cap when it is at a sufficiently low
temperature to touch with bare hands. Slowly loosen
the cap to release the pressure before you remove it
fully.

• Released fluid (fuel or hydraulic oil) under pressure
can cause damage to the skin and cause serious
injury. Release the pressure before you disconnect
hydraulic or fuel lines. Tighten all connections before
you apply the pressure.

• Do not open a fuel system under high pressure.
The fluid under high pressure that stays in fuel lines
can cause serious injury. Do not disconnect or repair
the fuel lines, sensors, or any other components
between the fuel pump and injectors on engines with
a common rail fuel system under high pressure.

• Put on an applicable ear protective device (earmuffs
or earplugs) to prevent injury against loud noises.

• Be careful about electric shock. The engine
generates a high voltage of more than DC100 V in
the ECU and is applied to the injector.

WSM000001INI0012US0

PREVENT A FIRE

• Fuel is very flammable and explosive under some
conditions. Do not smoke or let flames or sparks in
your work area.

• To prevent sparks from an accidental short circuit,
always disconnect the battery negative cable first
and connect it last.

• The battery gas can cause an explosion. Keep the
sparks and open flame away from the top of battery,
especially when you charge the battery.

• Make sure that you do not spill fuel on the engine.

WSM000001INI0005US0

NI-2

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

KEEP A GOOD AIRFLOW IN THE WORK AREA

• If the engine is in operation, make sure that the area
has good airflow. Do not operate the engine in a
closed area. The exhaust gas contains poisonous
carbon monoxide.

WSM000001INI0006US0

DISCARD FLUIDS CORRECTLY

• Do not discard fluids on the ground, down the drain,
into a stream, pond, or lake. Obey related
environmental protection regulations when you
discard oil, fuel, coolant, electrolyte and other
dangerous waste.

WSM000001INI0007US0

PREVENT ACID BURNS

• Keep electrolyte away from your eyes, hands and
clothing. Sulfuric acid in battery electrolyte is
poisonous and it can burn your skin and clothing and
cause blindness. If you spill electrolyte on yourself,
clean yourself with water, and get medical aid
immediately.

WSM000001INI0008US0

PREPARE FOR EMERGENCIES

• Keep a first aid kit and fire extinguisher ready at all
times.

• Keep the emergency contact telephone numbers
near your telephone at all times.

WSM000001INI0009US0

NI-3

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

2. SAFETY DECALS

The following safety decals (pictorial safety labels) are installed on the machine. If a decal becomes

damaged, illegible or is not on the machine, replace it. The decal part number is listed in the parts list.

WSM000001INI0014US0

ROPS Model

9Y1210236INI0008US0

NI-4

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

9Y1210236INI0009US0

NI-5

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

9Y1210236INI0010US0

NI-6

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CABIN Model

INFORMATION

9Y1210236INI0006US0

NI-7

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

9Y1210236INI0007US0

NI-8

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

INFORMATION

9Y1210236INI0001US0

NI-9

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

3. SPECIFICATIONS

INFORMATION

Model

M8540Narrow (ROPS Model)

4WD

Model V3800DI-TE3

Type Vertical, water-cooled, 4-cycle direct injection diesel engine

Number of cylinders 4

3

Total displacement 3769 cm

(230.0 cu.in.)

Bore and stroke 100 × 120 mm (3.9 × 4.7 in.)

-1

(rpm)

Engine

Rated speed 2600 min

Net power

*1

Gross power

*1

63.7 kW (86.7 PS)

66.7 kW (90.7 PS)

Maximum torque 286 N·m (29.2 kgf·m, 211 lbf·ft) / 1500 to 1700 min

Battery capacity 12 V, RC: 160 min, CCA: 900 A

Fuel Diesel fuel No. 1 [below −10 °C (14 °F], Diesel fuel No. 2-D [above −10 °C (14 °F)]

Fuel tank capacity 60 L (15.9 U.S.gals, 13.2 Imp.gals)

Engine oil capacity 10.7 L (11.3 U.S.qts, 9.4 Imp.qts)

Coolant capacity 9.0 L (9.5 U.S.qts, 7.9 Imp.qts)

Overall length 3675 mm (144.7 in.)

Overall width (min. tread) 1400 mm (55.12 in.)

Dimensions

Overall height
(Top of steering wheel)

Wheel base 2050 mm (80.7 in.)

Tread

Front 1139, 1155 mm (44.84, 45.47 in.)

Rear 1060 to 1348 mm (41.74 to 53.07 in.)

1470 mm (57.87 in.)

Minimum ground clearance 370 mm (14.6 in.) (Drawbar bracket)

Weight 2305 kg (5082 lbs)

Standard tire
size

Front 280/70R18

Rear 380/70R28

Clutch Multiple wet discs

Shuttle Hydraulic

Traveling
system

Number of speed F15/R15

Steering Hydraulic power steering

Braking
system

Differential

Traveling Hydraulic wet discs mechanical

Front Bevel gears

Rear Bevel gears with differential lock

Hydraulic control system Position, draft (top link sensing) and mix control

Pump capacity 61 L (16 U.S.gals, 13 Imp.gals) /min

3-point hitch SAE Category 1 (Category 2 link end)

Hydraulic
system

Max. lifting
force

At lift points

24 in. behind
lift points

*2

*2

2300 kg (5071 lbs)

1800 kg (3968 lbs)

Remote hydraulic control Two remote valves (valve option)

2

System pressure 19.1 MPa (195 kgf/cm

, 2270.3 psi)

Traction system Swinging drawbar, adjustable in direction

PTO

Live PTO
(Independent)

Ground PTO
(for
M8540N-ITA
Model)

Direction of
turning

PTO speed

PTO speed

6 spline: 540 min

6 spline: 540E min

540 min

540E min

1000 min

Clockwise, viewed from tractor rear

-1

(rpm) / 2160 min-1 (rpm) engine speed

-1

(rpm) / 1825 min-1 (rpm) engine speed

Shift type ground-live PTO

-1

(rpm): 8.94 min-1 (rpm) / one rotate of rear tire

-1

(rpm): 10.56 min-1 (rpm) / one rotate of rear tire

-1

(rpm): 14.47 min-1 (rpm) / one rotate of rear tire

-1

(rpm)

• *1: Manufacture's estimate
*2: At lower link end with links horizontal.
The company reserves the right to change the specifications without notice.

NI-10

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

INFORMATION

Model

M8540Narrow (CABIN Model) M9540Narrow (CABIN Model)

4WD

Model V3800DI-TE3

Type Vertical, water-cooled, 4-cycle direct injection diesel engine

Number of cylinders 4

3

Total displacement 3769 cm

(230.0 cu.in.)

Bore and stroke 100 × 120 mm (3.9 × 4.7 in.)

-1

(rpm)

313.6 N·m (31.98 kgf·m, 231.3 lbf·ft) /
1500 to 1700 min-1 (rpm)

Engine

Rated speed 2600 min

Net power

Gross power

*1

*1

Maximum torque

63.7 kW (86.7 PS) 69.2 kW (94.1 PS)

66.7 kW (90.7 PS) 73.6 kW (100.1 PS)

286 N·m (29.2 kgf·m, 211 lbf·ft) /

1500 to 1700 min

-1

(rpm)

Battery capacity 12 V, RC: 160 min, CCA: 900 A

Fuel Diesel fuel No. 1 [below −10 °C (14 °F], Diesel fuel No. 2-D [above −10 °C (14 °F)]

Fuel tank capacity 76 L (20.1 U.S.gals, 16.7 Imp.gals)

Engine oil capacity 10.7 L (11.3 U.S.qts, 9.4 Imp.qts)

Coolant capacity 9.0 L (9.5 U.S.qts, 7.9 Imp.qts)

Overall length 3710 mm (146.1 in.)

Overall width (min. tread) 1430 mm (56.30 in.)

Dimensions

Overall height
(Top of steering wheel)

Wheel base 2050 mm (80.7 in.)

Tread

Front 1142, 1156 mm (44.96, 45.51 in.)

Rear 1060 to 1348 mm (41.74 to 53.07 in.)

2240 mm (88.19 in.)

Minimum ground clearance 370 mm (14.6 in.) (Drawbar bracket)

Weight 2460 kg (5423 lbs)

Standard tire
size

Front 280/70R18

Rear 380/70R28

Clutch Multiple wet discs

Shuttle Hydraulic

Traveling
system

Number of speed F15/R15

Steering Hydraulic power steering

Braking
system

Differential

Traveling Hydraulic wet discs mechanical

Front Bevel gears

Rear Bevel gears with differential lock

Hydraulic control system Position, draft (top link sensing) and mix control

Pump capacity 61 L (16 U.S.gals, 13 Imp.gals) /min

3-point hitch SAE Category 1 (Category 2 link end)

Hydraulic
system

Max. lifting
force

At lift points

24 in. behind
lift points

*2

*2

2300 kg (5071 lbs)

1800 kg (3968 lbs)

Remote hydraulic control Two remote valves (3rd valve option)

2

System pressure 19.1 MPa (195 kgf/cm

, 2270.3 psi)

Traction system Swinging drawbar, adjustable in direction

PTO

Live PTO
(Independent)

Ground PTO
(for
M8540N-ITA
Model)

Direction of
turning

PTO speed

PTO speed

6 spline: 540 min

6 spline: 540E min

540 min

540E min

1000 min

Clockwise, viewed from tractor rear

-1

(rpm) / 2160 min-1 (rpm) engine speed

-1

(rpm) / 1825 min-1 (rpm) engine speed

Shift type ground-live PTO

-1

(rpm): 8.94 min-1 (rpm) / one rotate of rear tire

-1

(rpm): 10.56 min-1 (rpm) / one rotate of rear tire

-1

(rpm): 14.47 min-1 (rpm) / one rotate of rear tire

• *1: Manufacture's estimate
*2: At lower link end with links horizontal.
The company reserves the right to change the specifications without notice.

9Y1210236INI0011US0

NI-11

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

4. TRAVELING SPEEDS

Model

Tire size (Rear) 380/70R28

Shuttle shift

lever

Forward

Reverse

Range gear

shift lever

CREEP

L

H

CREEP

L

H

Main gear
shift lever

1 0.60 (0.37)

2 0.85 (0.53)

3 1.10 (0.684)

4 1.40 (0.870)

5 1.85 (1.15)

1 2.8 (1.7)

2 4.0 (2.5)

3 5.1 (3.2)

4 6.6 (4.1)

5 8.7 (5.4)

1 11.3 (7.02)

2 16.0 (9.94)

3 20.6 (12.8)

4 26.4 (16.4)

5 34.8 (21.6)

1 0.59 (0.37)

2 0.84 (0.52)

3 1.09 (0.677)

4 1.39 (0.864)

5 1.83 (1.14)

1 2.7 (1.7)

2 3.8 (2.4)

3 4.9 (3.0)

4 6.3 (3.9)

5 8.3 (5.2)

1 10.7 (6.65)

2 15.2 (9.44)

3 19.7 (12.2)

4 25.2 (15.7)

5 33.1 (20.6)

M8540Narrow

(ROPS / CABIN Model)

km/h (mph)

INFORMATION

(At rated engine rpm)

M9540Narrow

(CABIN Model)

The company reserves the right to change the specifications without notice.

NI-12

9Y1210236INI0012US0

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

5. DIMENSIONS

ROPS MODEL

INFORMATION

9Y1210236INI0004US0

NI-13

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CABIN MODEL

INFORMATION

9Y1210236INI0005US0

NI-14

NG GENERAL

KiSC issued 07, 2013 A

GENERAL

KiSC issued 07, 2013 A

CONTENTS

1. TRACTOR IDENTIFICATION .....................................................................................................NG-1

[1] MODEL NAME AND SERIAL NUMBERS ............................................................................NG-1

(1) ROPS Model...................................................................................................................NG-1

(2) CABIN Model..................................................................................................................NG-2

[2] E3 ENGINE ..........................................................................................................................NG-3

2. GENERAL PRECAUTIONS........................................................................................................ NG-4

3. HANDLING PRECAUTIONSFOR ELECTRICAL PARTS AND WIRING ...................................NG-5

[1] WIRING ................................................................................................................................NG-5

[2] BATTERY .............................................................................................................................NG-7

[3] FUSE ....................................................................................................................................NG-7

[4] CONNECTOR ......................................................................................................................NG-7

[5] HANDLING OF CIRCUIT TESTER ...................................................................................... NG-8

[6] COLOR OF WIRING ............................................................................................................NG-9

4. LUBRICANTS, FUEL AND COOLANT.....................................................................................NG-10

[1] ROPS MODEL....................................................................................................................NG-10

[2] CABIN MODEL ...................................................................................................................NG-11

[3] TYPE OF ENGINE OIL, FUEL AND TRANSMISSION OIL................................................NG-12

5. TIGHTENING TORQUES ......................................................................................................... NG-13

[1] GENERAL USE SCREWS, BOLTS AND NUTS ................................................................NG-13

[2] STUD BOLTS .....................................................................................................................NG-13

[3] HYDRAULIC FITTINGS .....................................................................................................NG-14

(1) Hydraulic Hose Fittings.................................................................................................NG-14

(2) Hydraulic Pipe Cap Nuts ..............................................................................................NG-14

(3) Adaptors, Elbows and Others.......................................................................................NG-14

[4] METRIC SCREWS, BOLTS AND NUTS ............................................................................NG-15

[5] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF

THREADS ..........................................................................................................................NG-15

[6] PLUGS ...............................................................................................................................NG-15

6. MAINTENANCE........................................................................................................................ NG-16

7. CHECK AND MAINTENANCE ................................................................................................. NG-18

[1] DAILY CHECK....................................................................................................................NG-18

[2] CHECK POINTS OF INITIAL 50 HOURS ..........................................................................NG-19

[3] CHECK POINTS OF EVERY 50 HOURS ..........................................................................NG-20

[4] CHECK POINTS OF EVERY 100 HOURS ........................................................................NG-21

[5] CHECK POINTS OF EVERY 200 HOURS ........................................................................NG-26

[6] CHECK POINT OF EVERY 400 HOURS ...........................................................................NG-30

[7] CHECK POINTS OF EVERY 500 HOURS ........................................................................NG-31

[8] CHECK POINT OF EVERY 600 HOURS ...........................................................................NG-32

[9] CHECK POINTS OF EVERY 1000 HOURS ......................................................................NG-32

[10]CHECK POINT OF EVERY 1500 HOURS .........................................................................NG-33

[11]CHECK POINTS OF EVERY 3000 HOURS

[12]CHECK POINTS OF EVERY 1 YEAR................................................................................NG-34

[13]CHECK POINTS OF EVERY 2 YEARS .............................................................................NG-35

[14]OTHERS (SERVICE AS REQUIRED)................................................................................NG-38

8. SPECIAL TOOLS .....................................................................................................................NG-42

[1] SPECIAL TOOLS ...............................................................................................................NG-42

9. TIRES .......................................................................................................................................NG-46

[1] TIRE SIZE AND INFLATION PRESSURE .........................................................................NG-47

[2] TREAD ADJUSTMENT ......................................................................................................NG-48

.............

.........................................................NG-33

(1) Front Wheels ................................................................................................................NG-48

KiSC issued 07, 2013 A

(2) Rear Wheels .................................................................................................................NG-50

[3] WHEEL HUB ......................................................................................................................NG-51

[4] FENDER .............................................................................................................................NG-52

(1) Adjusting Fender Height (ROPS Model).......................................................................NG-52

10. IMPLEMENT LIMITATIONS .....................................................................................................NG-53

[1] IMPLEMENT CAPACITY ....................................................................................................NG-54

[2] TRAILER LOAD CAPACITY...............................................................................................NG-55

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

1. TRACTOR IDENTIFICATION

[1] MODEL NAME AND SERIAL NUMBERS

(1) ROPS Model

When contacting your local KUBOTA distributor, always specify

engine serial number, tractor serial number and hourmeter reading.

(1) Tractor Identification Plate
(2) Tractor Serial Number
(3) Engine Serial Number

GENERAL

(4) ROPS Identification Plate

(ROPS Serial Number)

9Y1210236GEG0001US0

NG-1

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(2) CABIN Model

GENERAL

When contacting your local KUBOTA distributor, always specify

engine serial number, tractor serial number and hourmeter reading.

(1) Tractor Identification Plate
(2) Tractor Serial Number
(3) Engine Serial Number

(4) CAB Identification Plate

(CAB Serial Number)

9Y1210236GEG0002US0

NG-2

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

[2] E3 ENGINE

[Example: Engine Model Name V3800-DI-T-E3]
The emission controls previously implemented in various countries to prevent air pollution will be stepped up as

Non-Road Emission Standards continue to change. The timing or applicable date of the specific Non-Road Emission
regulations depends on the engine output classification.

Over the past several years, KUBOTA has been supplying diesel engines that comply with regulations in the

respective countries affected by Non-Road Emission regulations. For KUBOTA Engines, E3 will be the designation
that identifies engine models affected by the next emission phase (See the table below).

When servicing or repairing ###-E3 series engines, use only replacement parts for that specific E3 engine,

designated by the appropriate E3 KUBOTA Parts List and perform all maintenance services listed in the appropriate
KUBOTA Operator's Manual or in the appropriate E3 KUBOTA Workshop Manual. Use of incorrect replacement parts
or replacement parts from other emission level engines (for example: E2 engines), may result in emission levels out
of compliance with the original E3 design and EPA or other applicable regulations.Please refer to the emission label
located on the engine head cover to identify Output classification and Emission Control Information. E3 engines are
identified with "ET" at the end of the Model designation, on the US EPA label. Please note: E3 is not marked on the
engine.

Category (1) Engine output classification EU regulation

K From 19 to less than 37 kW STAGE IIIA

J From 37 to less than 75 kW STAGE IIIA

I From 75 to less than 130 kW STAGE IIIA

Category (2) Engine output classification EPA regulation

Less than 19kW Tier 4

ET

(1) EU regulation engine output classification category
(2) "E3" engines are identified with "ET" at the end of the Model designation, on

the US EPA label.
"E3" designates Tier 3 and some Interim Tier 4 / Tier 4 models, depending on
engine output classification.

From 19 to less than 56 kW Interim Tier 4

From 56 to less than 75 kW Tier 3

From 75 to less than 130 kW Tier 3

9Y1210236GEG0003US0

NG-3

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

2. GENERAL PRECAUTIONS

• When you disassemble, carefully put the parts in a clean area
to make it easy to find the parts. You must install the screws,
bolts and nuts in their initial position to prevent the reassembly
errors.

• When it is necessary to use special tools, use KUBOTA special
tools. Refer to the drawings when you make special tools that
you do not use frequently.

• Before you disassemble or repair machine, make sure that you
always disconnect the ground cable from the battery first.

• Remove oil and dirt from parts before you measure.

• Use only KUBOTA genuine parts for replacement to keep the
machine performance and to make sure of safety.

• You must replace the gaskets and O-rings when you assemble
again. Apply grease (1) to new O-rings or oil seals before you
assemble.

• When you assemble the external or internal snap rings, make
sure that the sharp edge (3) faces against the direction from
which force (2) is applied.

• When inserting spring pins, their splits must face the direction
from which a force is applied. See the figure left side.

• To prevent damage to the hydraulic system, use only specified
fluid or equivalent.

• Clean the parts before you measure them.

• Tighten the fittings to the specified torque. Too much torque can
cause damage to the hydraulic units or the fittings. Not sufficient
torque can cause oil leakage.

• When you use a new hose or pipe, tighten the nuts to the
specified torque. Then loosen (approx. by 45 °) and let them be
stable before you tighten to the specified torque (This is not
applied to the parts with seal tape).

• When you remove the two ends of a pipe, remove the lower end
first.

• Use two pliers in removal and installation. One to hold the stable
side, and the other to turn the side you remove to prevent twists.

• Make sure that the sleeves of flared connectors and tapers of
hoses are free of dust and scratches.

• After you tighten the fittings, clean the joint and apply the
maximum operation pressure 2 to 3 times to examine oil
leakage.

(1) Grease
(2) Force
(3) Sharp Edge
(4) Axial Force
(5) Rotating Movement

GENERAL

(A) External Circlip
(B) Internal Circlip

WSM000001GEG0106US0

NG-4

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

3. HANDLING PRECAUTIONSFOR ELECTRICAL PARTS AND WIRING

To ensure safety and prevent damage to the machine and
surrounding equipment, obey the following precautions in handling
electrical parts and wiring.

• Check electrical wiring for damage and loosened
connection every year. To this end, educate the customer
to do his or her own check and at the same time
recommend the dealer to perform periodic check for a fee.

• Do not try to modify or remodel any electrical parts and
wiring.

• When removing the battery cables, disconnect the negative
cable first. When installing the battery cables, connect the
positive cable first.

(1) Negative Terminal (2) Positive Terminal

WSM000001GEG0062US0

[1] WIRING

• Securely tighten wiring terminals.

(1) Correct

(Securely Tighten)

(2) Incorrect

(Loosening Leads to Faulty Contact)

WSM000001GEG0063US0

GENERAL

• Do not let wiring contact dangerous part.

(1) Dangerous Part (Sharp Edge)
(2) Wiring (Incorrect)

(3) Wiring (Correct)
(4) Dangerous Part

WSM000001GEG0064US0

• Repair or change torn or aged wiring immediately.

(1) Aged
(2) Torn

(3) Insulating Vinyl Tape

WSM000001GEG0065US0

NG-5

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

• Securely insert grommet.

(1) Grommet (A) Correct

(B) Incorrect

WSM000001GEG0066US0

• Securely clamp, being careful not to damage wiring.

(1) Clamp

(Wind Clamp Spirally)

(2) Wire Harness

(3) Clamp
(4) Welding Dent

WSM000001GEG0067US0

• Clamp wiring so that there is no twist, unnecessary sag, or
excessive tension, except for movable part, where sag be
required.

(1) Wiring
(2) Clamp

(A) Correct
(B) Incorrect

WSM000001GEG0068US0

• In installing a part, be careful not to get wiring caught by it.

(1) Wiring (A) Incorrect

WSM000001GEG0069US0

• After installing wiring, check protection of terminals and
clamped condition of wiring.

(1) Cover

(Securely Install Cover)

WSM000001GEG0070US0

NG-6

M8540Narrow, M9540Narrow, WSM

CAUTION

KiSC issued 07, 2013 A

[2] BATTERY

GENERAL

• Be careful not to confuse positive and negative terminal posts.

• When you remove battery cables, disconnect negative cable
first. When you install battery cables, check for polarity and
connect positive cable first.

• Do not install any battery with capacity other than is specified
(Ah).

• After you connect cables to battery terminal posts, apply high
temperature grease to them and securely install terminal covers
on them.

• Do not allow dirt and dust to collect on battery.

• Be careful not to let battery liquid spill on your skin and
clothes. If contaminated, wash it off with water
immediately.

• Before you recharge the battery, remove it from the
machine.

• Before you recharge, remove cell caps.

• Recharge in a well-ventilated place where there is no open
flame nearby, as hydrogen gas and oxygen are formed.

WSM000001GEG0071US0

[3] FUSE

[4] CONNECTOR

• Use fuses with specified capacity.
Neither too large nor small capacity fuse is acceptable.

• Never use steel nor copper wire in place of fuse.

• Do not install working light, radio set, etc. on machine which is
not provided with reserve power supply.

• Do not install accessories if fuse capacity of reserve power
supply is exceeded.

(1) Fuse
(2) Fusible Link

(3) Slow Blow Fuse

WSM000001GEG0072US0

• For connector with lock, push lock to separate.

(A) Push

WSM000001GEG0073US0

• In separating connectors, do not pull wire harnesses.

• Hold connector bodies to separate.

(A) Correct (B) Incorrect

WSM000001GEG0074US0

NG-7

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

• Use sandpaper to remove rust from terminals.

• Repair deformed terminal. Make sure that there is no terminal
being exposed or displaced.

(1) Exposed Terminal
(2) Deformed Terminal

(3) Sandpaper
(4) Rust

WSM000001GEG0075US0

• Make sure that there is no female connector being too open.

(A) Correct (B) Incorrect

WSM000001GEG0076US0

• Make sure that plastic cover is large enough to cover whole
connector.

(1) Cover (A) Correct

(B) Incorrect

WSM000001GEG0077US0

[5] HANDLING OF CIRCUIT TESTER

• Use tester correctly following manual provided with tester.

• Check for polarity and range.

WSM000001GEG0078US0

NG-8

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[6] COLOR OF WIRING

GENERAL

• Colors of wire are specified to the color codes.

• This symbol of "/" shows color with stripe(s).

(An example)

Red stripe on white color: W/R

Color of wiring Color code

Black B

Brown Br

Green G

Gray Gy or Gr

Blue L

Light Green Lg

Orange Or

Pink P

Purple Pu or V

Red R

Sky Blue Sb

White W

Yellow Y

(1) Wire Color (2) Stripe

WSM000001GEG0079US0

NG-9

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

4. LUBRICANTS, FUEL AND COOLANT

[1] ROPS MODEL

No. Place Capacity Lubricants, fuel and coolant

1 Fuel tank

Coolant

2

Recovery tank

Engine crankcase

3

(with filter)

4 Transmission case

Front differential case

5

oil

Front axle gear case oil

6

(one side)

60 L

15.9 U.S.gals

13.2 Imp.gals

9.0 L

9.5 U.S.qts

7.9 Imp.qts

1.0 L

1.1 U.S.qts

0.9 Imp.qts

10.7 L

11.3 U.S.qts

9.4 Imp.qts

52 L

54.9 U.S.qts
46 Imp.qts

5.0 L

5.3 U.S.qts

4.4 Imp.qts

3.0 L

3.2 U.S.qts

2.6 Imp.qts

• No. 2-D diesel fuel

• No. 1-D diesel fuel if temperature
is below –10 °C (14 °F)

Fresh clean water with anti-freeze

Engine oil

API Service Classification*
or CI-4 [External EGR Type]

• Below 0 °C (32 °F)
SAE10W,
10W-30 or 15W-40

• 0 to 25 °C (32 to 77 °F)
SAE20, 10W-30 or 15W-40

• Above 25 °C (77 °F)
SAE30, 10W-30 or 15W-40

KUBOTA SUPER UDT fluid*

KUBOTA UDT or KUBOTA SUPER
UDT fluid*2 or SAE80, SAE90 gear
oil

1

CF,

2

Greasing

No. Place No. of greasing point Capacity Type of grease

Front axle gear case
support

Front axle support 2

Top link 2

Top link bracket 2

7

Lift rod 2

Hydraulic lift cylinder
pin

Battery terminal 2 Moderate amount

*1 Refer to the "[4] TYPE OF ENGINE OIL" in this section.

2

KUBOTA original transmission hydraulic fluid.

*

2

Multipurpose grease

Until grease overflows

4

NG-10

NLG1-2 or NLG1-1
(GC-LB) grease

Multipurpose
type grease or
petroleum jelly

9Y1210236GEG0004US0

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

[2] CABIN MODEL

No. Place Capacity Lubricants, fuel and coolant

1 Fuel tank

Coolant

2

Recovery tank

3 Washer liquid

Engine crankcase

4

(with filter)

5 Transmission case

Front differential case

6

oil

7 Front axle gear case oil

76 L

20.1 U.S.gals

16.7 Imp.gals

9.0 L

9.5 U.S.qts

7.9 Imp.qts

1.0 L

1.1 U.S.qts

0.9 Imp.qts

1.3 L

1.4 U.S.qts

1.1 Imp.qts

10.7 L

11.3 U.S.qts

9.4 Imp.qts

52 L

54.9 U.S.qts
46 Imp.qts

5.0 L

5.3 U.S.qts

4.4 Imp.qts

3.0 L

3.2 U.S.qts

2.6 Imp.qts

• No. 2-D diesel fuel

• No. 1-D diesel fuel if temperature
is below –10 °C (14 °F)

Fresh clean water with anti-freeze

Automobile washer liquid

Engine oil

API Service Classification*

1

CF,

or CI-4 [External EGR Type]

•Below −10 °C (14 °F)
SAE10W-30

• −10 to 25 °C (14 to 77 °F)
SAE20, 10W-30 or 15W-40

• Above 25 °C (77 °F)
SAE30, 10W-30 or 15W-40

KUBOAT UDT or SUPER UDT

2

fluid*

KUBOAT UDT or KUBOTA SUPER

2

UDT fluid*

or SAE80,

SAE90 gear oil

Greasing

No. Place No. of greasing point Capacity Type of grease

Top link 2

Top link bracket 2

Lift rod 2

Hydraulic lift cylinder

8

pin

Front axle gear case
support

4

Until grease overflows

2

Multipurpose
NLGI-2 or NLGI-1
(GC-LB)

Steering joint shaft 1

Battery terminal 2 A small amount

*1 Refer to the "[4] TYPE OF ENGINE OIL" in this section.

2

KUBOTA original transmission hydraulic fluid.

*

9Y1210236GEG0005US0

NG-11

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

GENERAL

[3] TYPE OF ENGINE OIL, FUEL AND TRANSMISSION OIL

Engine Oil

• Oil used in the engine should have an American Petroleum Institute (API) service classification and
Proper SAE Engine Oil according to the ambient temperatures as shown above:

• With the emission control now in effect, the CF-4 and CG-4 lubricating oils have been developed for use
of a low-sulfur fuel on on-road vehicle engines. When an off-road vehicle engine runs on a high-sulfur
fuel, it is advisable to employ the "CF or better" lubricating oil with a high Total Base Number (TBN of 10
minimum).

• Refer to the following table for the suitable API classification engine oil according to the engine type (with
internal EGR, external EGR or non-EGR) and the fuel (low-sulfur or high-sulfur fuel).

Fuel used

High Sulfur Fuel
(≥ 500 ppm)

Low Sulfur Fuel
(< 500 ppm) or
Ultra Low Sulfur Fuel
(< 15 ppm)

EGR: Exhaust Gas Re-circulation

• The CJ-4 engine oil is intended for DPF (Diesel Particulate Filter) type engines, and cannot be used on
this tractor.

Fuel

• Cetane number of 45 minimum. Cetane number greater then 50 is preferred, especially for temperatures
below −20 °C (−4 °F) or elevations above 1500 m (5000 ft).

• If diesel fuel with sulfur content greater than 0.5 % sulfur content in used, reduce the service interval for
engine oil and filter by 50 %.

• DO NOT use diesel fuel with sulfur content greater than 1.0 %.

• NEVER use diesel fuel with sulfur content greater than 0.05 % (500 rpm) for EXTERNAL EGR type engine.

• Diesel fuels specified to EN 590 or ASTM D975 are recommended.

• No.2-D is a distillate fuel of lower volatility for engine in industrial and heavy mobile service. (SAE J313
JUN87)

Transmission oil

• The oil used to lubricate the transmission is also used as hydraulic fluid. To insure proper operation of
the hydraulic system and to complete lubrication of the transmission, it is important that a multi-grade
transmission fluid is used in this system. We recommend the use of KUBOTA UDT or SUPER UDT fluid
for optimum protection and performance.
Do not mix different brands together.

Q Indicated capacities of water and oil are manufacturer's estimate.

Oil class of engines except external EGR Oil class of engines with external EGR

CF

(If the "CF-4, CG-4, CH-4, or CI-4"
lubricating oil is used with a high-sulfur
fuel, change the lubricating oil at shorter
intervals. (approximately half))

CF, CF-4, CG-4, CH-4 or CI-4

Engine oil classification (API classification)

–

CF or CI-4
(Class CF-4, CG-4 and CH-4 engine oils
cannot be used on EGR type engines)

9Y1210236GEG0083US0

NG-12

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

5. TIGHTENING TORQUES

[1] GENERAL USE SCREWS, BOLTS AND NUTS

Tighten screws, bolts and nuts whose tightening torques are not specified in this Workshop Manual

according to the table below.

Indication on top of bolt

Indication on top of nut

Material of opponent part Ordinariness Aluminum Ordinariness Aluminum Ordinariness

Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft N·m kgf·m lbf·ft N·m kgf·m lbf·ft N·m kgf·m lbf·ft

7.9

0.80

M6

M8

M10

M12

M14

M16

M18

M20

to

9.3

18

to

20

40

to

45

63

to

72

108

to

125

167

to

191

246

to

284

334

to

392

to

0.95

1.8
to

2.1

4.0
to

4.6

6.4
to

7.4

11. 0
to

12.8

17.0
to

19.5

25.0
to

29.0

34.0
to

40.0

No-grade or 4T 7T 9T

No-grade or 4T

5.8

7.9

0.80

5.8

9.81

1.00

7.24

7.9

0.80

5.8

to

to

to

1.7
to

2.0

3.2
to

3.5

to

6.5

13

to

14

24

to

25

6.8

8.8

0.90

13

17

to

to

15

19

32

29

to

to

33

34

47

to 53–––

79.6
to

92.5

123

141

181

209

246

289

–––

to

–––

to

–––

to

–––

to

11. 2

24

to

27

48

to

55

78

to

90

124

to

147

197

to

225

275

to

318

368

to

431

to

1.15

2.4
to

2.8

4.9
to

5.7

7.9
to

9.2

12.6
to

15.0

20.0
to

23.0

28.0
to

32.5

37.5
to

44.0

to

8.31

18

to

20

36

to

41

58

to

66

91.2
to

108

145

to

166

203

to

235

272

to

318

to

to

8.8

0.90

18

1.8

to

to

20

2.1

40

4.0

to

to

44

4.5

63

6.4

to

to

72

7.4

–––

–––

–––

–––

12.3

to

to

6.5

14.2

13

30

to

to

15

34

29

61

to

to

32

70

47

103

to

to

53

117

67

1

to

19

6

260

to

304

344

to

402

491

to

568

WSM000001GEG0001US0

6T

1.25
to

1.45

3.0
to

3.5

6.2
to

7.2

10.5
to

12.0

17.0
to

20.0

26.5
to

31.0

35.0
to

41.0

50.0
to

58.0

9.05
to

10.4

22

to

25

45

to

52

76.0
to

86.7

123

to

144

192

to

224

254

to

296

362

to

419

[2] STUD BOLTS

Material of opponent part Ordinariness Aluminum

Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft

12

1.2

8.7

M8

M10

M12

M14

M16

M18

to

15

25

to

31

30

to

49

62

to

73

98.1
to

112

172

to

201

to

1.6

2.5
to

3.2

3.0
to

5.0

6.3
to

7.5

10.0
to

11. 5

17.5
to

20.5

8.9

to

to

11

11

18

20

to

to

23

25

22

to 3631 3.2 23

46

to 54–––

72.4
to

83.1

127

148

–––

to

–––

0.90
to

1.2

2.0
to

2.6

NG-13

6.5
to

8.6

15

to

18

WSM000001GEG0002US0

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[3] HYDRAULIC FITTINGS

(1) Hydraulic Hose Fittings

GENERAL

Hose size Thread side

02 1/8 13.8 to 15.6 1.40 to 1.60 10.2 to 11.5

03

1/4 22.6 to 27.4 2.30 to 2.80 16.7 to 20.2

04

05

3/8 45.2 to 52.9 4.60 to 5.40 33.3 to 39.0

06

(2) Hydraulic Pipe Cap Nuts

Pipe size

N·m kgf·m lbf·ft

ϕ4 × t1.0 19.7 to 29.4 2.00 to 3.00 14.5 to 21.6

ϕ6 × t1.0 24.6 to 34.3 2.50 to 3.50 18.1 to 25.3

ϕ8 × t1.0 29.5 to 39.2 3.00 to 4.00 21.7 to 28.9

ϕ10 × t1.0 39.3 to 49.0 4.00 to 5.00 29.0 to 36.1

ϕ12 × t1.5 49.1 to 68.6 5.00 to 7.00 36.2 to 50.6

ϕ15 × t1.6 108 to 117 11.0 to 12.0 79.6 to 86.7

ϕ18 × t1.6 108 to 117 11.0 to 12.0 79.6 to 86.7

Tightening torque

N·m kgf·m lbf·ft

WSM000001GEG0097US0

Tightening torque

(3) Adaptors, Elbows and Others

Item Thread side

G 1/8 45 to 53 4.5 to 5.5 33 to 39

G 1/4 74 to 83 7.5 to 8.5 55 to 61

Fitting with O-ring

G 3/8 93.2 to 102 9.50 to 10.5 68.8 to 75.9

G 1/2 113 to 122 11.5 to 12.5 83.2 to 90.4

G 1/8 23 to 26 2.3 to 2.7 17 to 19

G 1/4 36 to 43 3.6 to 4.4 26 to 31

Elbow with O-ring

G 3/8 54 to 63 5.5 to 6.5 40 to 47

G 1/2 73 to 83 7.4 to 8.5 54 to 61

G 1/8 9.8 to 14 1.0 to 1.5 7.3 to 10

G 1/4 30 to 34 3.0 to 3.5 22 to 25

Adapter

G 3/8 49 to 68 5.0 to 7.0 37 to 50

G 1/2 69 to 88 7.0 to 9.0 51 to 65

WSM000001GEG0098US0

Tightening torque

N·m kgf·m lbf·ft

WSM000001GEG0099US0

NG-14

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[4] METRIC SCREWS, BOLTS AND NUTS

GENERAL

Grade

Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft

M8 24 to 27 2.4 to 2.8 18 to 20 30 to 34 3.0 to 3.5 22 to 25

M10 48 to 55 4.9 to 5.7 36 to 41 61 to 70 6.2 to 7.2 45 to 52

M12 78 to 90 7.9 to 9.2 58 to 66 103 to 117 10.5 to 12.0 76.0 to 86.7

M14 124 to 147 12.6 to 15.0 91.2 to 108 167 to 196 17.0 to 20.0 123 to 144

M16 197 to 225 20.0 to 23.0 145 to 166 260 to 304 26.5 to 31.0 192 to 224

Property class 8.8 Property class 10.9

WSM000001GEG0003US0

[5] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH

UNC OR UNF THREADS

Grade

Unit N·m kgf·m lbf·ft N·m kgf·m lbf·ft

1/4 11.7 to 15.7 1.20 to 1.60 8.63 to 11.5 16.3 to 19.7 1.67 to 2.00 12.0 to 14.6

5/16 23.1 to 27.7 2.36 to 2.82 17.0 to 20.5 33 to 39 3.4 to 3.9 25 to 28

3/8 48 to 56 4.9 to 5.7 36 to 41 61 to 73 6.3 to 7.4 45 to 53

1/2 110 to 130 11.3 to 13.2 81.2 to 95.8 150 to 178 15.3 to 18.1 111 to 131

9/16 150 to 178 15.3 to 18.1 111 to 131 217 to 260 22.2 to 26.5 160 to 191

5/8 204 to 244 20.8 to 24.8 151 to 179 299 to 357 30.5 to 36.4 221 to 263

SAE GR.5 SAE GR.8

WSM000001GEG0008US0

[6] PLUGS

Material of opponent part

Shape Size

N·m kgf·m lbf·ft N·m kgf·m lbf·ft

Tapered screw

Straight screw G1/4 25 to 34 2.5 to 3.5 18 to 25 – – –

R1/8 13 to 21 1.3 to 2.2 9.4 to 15 13 to 19 1.3 to 2.0 9.4 to 14

R1/4 25 to 44 2.5 to 4.5 18 to 32 25 to 34 2.5 to 3.5 18 to 25

R3/8 49 to 88 5.0 to 9.0 37 to 65 49 to 58 5.0 to 6.0 37 to 43

R1/2 58.9 to 107 6.00 to 11.0 43.4 to 79.5 59 to 78 6.0 to 8.0 44 to 57

G3/8 62 to 82 6.3 to 8.4 46 to 60 – – –

G1/2 49 to 88 5.0 to 9.0 37 to 65 – – –

Ordinariness Aluminum

WSM000001GEG0005US0

NG-15

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

6. MAINTENANCE

GENERAL

Service Interval

No. Item

1 Engine start system Check ,,,,,,,,,,,,,,

2 Wheel bolt torque Check ,,,,,,,,,,,,,,

3 Battery condition Check ,,,,,,,

4 Greasing – ,,,,,,,

5 Fan belt Adjust ,,,,,,,

6 Brake pedal Adjust ,,,,,,,

Primary

Air cleaner element

7

[Double type]

8 Fuel line

9 Parking brake

10 Toe-in Adjust ,,,

11 Fuel tank water Drain ,,,

12 Power steering oil line

13 Radiator hose and clamp

14 Intake air line

15 Water separator Clean ,

16 Engine oil Change +,

17 Engine oil filter Replace +,

18 Fuel filter Replace ,

19 Hydraulic oil filter Replace ,

20 Front axle pivot Adjust ,

21 Transmission fluid Change

22 Front differential case oil Change

element

Secondary
element

ROPS Model
(cable)

CABIN Model Check ,,,,,,,

Clean ,,,,,,,

Replace

Replace

Check ,,,,,,,

Replace

Adjust ,,,,,,,

Replace

Check ,,,

Replace

Check ,,,

Replace

Check ,,,

Replace

50 100 150 200 250 300 350 400 450 500 550 600 650 700

100 Hr

100 Hr

100 Hr

100 Hr

100 Hr

1 year

1 year

100 Hr

2 years

100 Hr

2 years

100 Hr

200 Hr

200 Hr

200 Hr

2 year

200 Hr

2 years

200 Hr

2 years

400 Hr

500 Hr

500 Hr

500 Hr

500 Hr

600 Hr

1000 Hr

1000 Hr

After

since

every
50 Hr

every
50 Hr

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

every

Refer-

ence
page

NG-20

NG-21

NG-21 *4

NG-24

NG-23

NG-23

NG-22 *1

NG-34 *2

NG-34

NG-23

NG-37

NG-23

–

NG-23

NG-27

NG-28

NG-27

NG-37

s

NG-26

NG-37

NG-26

NG-37 *3

NG-30

NG-19

NG-19

NG-31

NG-31

NG-32

NG-32

NG-33

NG-16

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

No. Item

23 Front axle case oil Change

24 Engine valve clearance Adjust

Fuel injection nozzle injection

25

pressure

26 Turbocharger Check

27 Injection pump Check

28 Intake air heater Check

29 Cooling system Flush

30 Coolant Change

31 Master cylinder filter Clean

32 Master cylinder kit Replace

33 Equalizer kit Replace

34 Brake seal 1 and 2 Replace

35 Lift cylinder hose Replace

36 Fuel system Bleed

37 Brake system Bleed NG-38

38 Clutch housing water Drain NG-39

39 Fuse Replace NG-41

40 Light bulb Replace NG-41

41 Inner air filter Clean ,,,

42 Fresh air filter Clean ,,,

43 Air conditioner condenser Check ,,,

44 Air conditioner drive belt Adjust ,,,

45 Air conditioner pipes and hoses

46 Cabin isolation cushion C

47 Washer liquid Add Service

48 Refrigerant (gas) Check NG-39

Check

Check

Replace

heck

50 100 150 200 250 300 350 400 450 500 550 600 650 700

Service Interval

1000 Hr

1000 Hr

1500 Hr

3000 Hr

3000 Hr

3000 Hr

2 years

2 years

2 years

2 years

2 years

2 years

2 years

Service

quired

200 Hr

200 Hr

200 Hr

200 Hr

1 year

2 years

1 year

quired

After
since

every

every

every

every

every

every

every

every

every

every

every

every

every

as re-

every

every

every

every

every

every

every

as re-

Refer-

ence
page

NG-33

NG-33

NG-33

NG-33

NG-33

NG-33

NG-35

NG-35

–

–

–

–

NG-37

NG-38

NG-28

NG-29

NG-29

NG-29

NG-34

NG-37

NG-34

NG-40

• The jobs indicated by + must be done after the first 50 hours of operation.

• *1: Air cleaner should be cleaned more often in dusty conditions than in normal conditions.

• *2: Every year or every 6 times of cleaning.

• *3: Replace only if necessary.

• *4: When the battery is used for less than 100 hours per year, check the battery condition by reading the indicator annually.

9Y1210236GEG0007US0

NG-17

M8540Narrow, M9540Narrow, WSM

CAUTION

KiSC issued 07, 2013 A

GENERAL

7. CHECK AND MAINTENANCE

• Be sure to check and service the tractor on a flat place with engine shut off, the parking brake on and
chock the wheels.

9Y1210236GEG0008US0

[1] DAILY CHECK

To prevent trouble from occurring, it is important to know the condition of the tractor. Check the following items

before starting.

Checking

• Check areas where previous trouble was experienced.

• Walk around the tractor.

1. Check the tire pressure, and check for wear and damage.

2. Check and refueling.

3. Check for oil and water leak.

4. Check the engine oil level.

5. Check the transmission fluid level.

6. Check the coolant level.

7. Check the condition of ROPS attaching hardware. (ROPS model)

8. Check the washer liquid level. (CABIN model)

9. Check the water separator.

10. Clean the air cleaner evacuator valve.

11. Check and clean the radiator screen, grill, oil cooler, and battery mount.

12. Check and clean the air conditioner condenser screen. (CABIN model)

13. Check the nuts of tires are tight.

14. Check the number plate for damage and replace as necessary if equipped.

15. Care of danger, warning and caution labels. (pictorial safety valve)

16. Clean around the exhaust manifold and the muffler of the engine.

• While sitting in the operator's seat.

1. Check the throttle pedal, brake pedal and clutch pedal.

2. Check the throttle lever and shuttle lever.

3. Check the parking brake.

4. Check the steering wheel.

5. Check the seat belt.

• Turning the key switch.

1. Check the performance of the Easy Checker™ lights.

2. Check the head lights, turn signal lights, hazard lights and other light equipment. Clean if necessary.

3. Check the performance of the meters and gauges.

• Starting the engine.

1. Check to see that the lights on the Easy Checker™ go off.

2. Check the color of the exhaust gas.

3. Check the brakes for proper operation.

9Y1210236GEG0009US0

NG-18

M8540Narrow, M9540Narrow, WSM

CAUTION

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

[2] CHECK POINTS OF INITIAL 50 HOURS

Changing Engine Oil

• Before changing oil, be sure to stop the engine.

• Allow engine to cool down sufficiently, oil can be hot and
can burn.

1. To drain the used oil, remove the drain plugs (2) at the bottom
of the engine and drain the oil completely into the oil pan.
All the used oil can be drained out easily when the engine is still
warm.

2. After draining reinstall the drain plugs (2).

3. Fill with the new oil up to the upper notch on the dipstick.
(Refer to "4. LUBRICANTS, FUEL AND COOLANT" in this
section.)

Oil capacity with filter

GENERAL

10.7 L

11.3 U.S.qts

9.4 Imp.qts

(1) Oil Inlet
(2) Drain Plugs

(A) Oil level is acceptable within this

range.

9Y1210236GEG0010US0

Replacing Engine Oil Filter

• Be sure to stop the engine before changing oil filter
cartridge.

• Allow engine to cool down sufficiently, oil can be hot and
can burn.

1. Remove the oil filter (1).

2. Put a film of clean engine oil on rubber seal of new filter.

3. Tighten the filter quickly until it contacts the mounting surface.
Tighten filter by hand an additional 1/2 turn only.

4. After the new filter has been replaced, the engine oil normally
decreases a little. Make sure that the engine oil does not leak
through the seal and be sure to check the oil level on the
dipstick. Then, replenish the engine oil up to the prescribed
level.

• To prevent serious damage to the engine, use only a
KUBOTA genuine filter.

(1) Engine Oil Filter

9Y1210236GEG0011US0

NG-19

M8540Narrow, M9540Narrow, WSM

CAUTION

WARNING

WARNING

KiSC issued 07, 2013 A

[3] CHECK POINTS OF EVERY 50 HOURS

Checking Engine Start System

• Do not allow anyone near the tractor while testing.

• If the tractor does not pass the test, do not operate the
tractor.

Q Preparation before testing

1. Place all control levers in the "NEUTRAL" position.

2. Set the parking brake and stop the engine.

Q Test 1: Switch for the shuttle shift lever.

1. Sit on operator's seat.

2. Shift the shuttle shift lever (1) to the forward or reverse position.

3. Depress the clutch pedal (2) fully.

4. Disengage the PTO clutch control switch (3).

5. Turn the key to "START" position.

6. The engine must not crank.

7. If it cranks, inspect the safety switch.

Q Test 2: Switch for the PTO clutch control lever.

• Disconnect the implement drive universal joint from the
PTO shaft, if the implement has mounted.

1. Sit on operator's seat.

2. Engage the PTO clutch control switch (3).

3. Depress the clutch pedal (2) fully.

4. Shift the shuttle shift lever (1) to the neutral position.

5. Turn the key to "START" position.

6. The engine must not crank.

7. If it cranks, inspect the safety switch.

Q Test 3: Checking Operator Presence Control (OPC)

System.

1. Sit on the operator's seat.

2. Make sure the PTO drive shift is disconnected from any
attached implement.

3. Start the engine.

4. Engage the PTO clutch control switch. The PTO should begin to
rotate. Disengage the PTO clutch control switch.

5. While lifting yourself from the seat, engage the PTO clutch
control switch.
a) The PTO should begin to rotate and a buzzer should sound.
b) Disengage the PTO clutch control switch.
c) If the buzzer does not sound, shut off the engine.

6. If the PTO or OPC is operating properly, shut off the engine, and
reconnect the implement drive shaft to the PTO. Restart the
engine per the available instructions.

GENERAL

To avoid serious injury or death:

• Before checking the PTO or OPC, make sure that the PTO
drive shaft should be disconnected from the tractor.

• The unit should not be operated until servicing is
completed.

(1) Shuttle Shift Lever
(2) Clutch Pedal
(3) PTO Clutch Control Switch

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0084US0

NG-20

M8540Narrow, M9540Narrow, WSM

CAUTION

CAUTION

KiSC issued 07, 2013 A

GENERAL

Checking Wheel Mounting Nuts Tightening Torque

• Never operate tractor with a loose rim, wheel, or axle.

• Any time bolts and nuts are loosened, retighten to
specified torque.

• Check all bolts and nuts frequently and keep them tight.

1. Check the wheel mounting nuts regularly especially when new.
If there are loosened, tighten as follows.

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

Tightening
torque

Front wheel mounting
nut

Rear wheel mounting nut M16

Rear disc mounting nut M16

M16

(1) Front Wheel Mounting Nut
(2) Rear Wheel Mounting Nut
(3) Rear Disc Mounting Nut

[4] CHECK POINTS OF EVERY 100 HOURS

Checking Battery Condition

• Never remove the vent plugs while the engine is running.

• Keep electrolyte away from eyes, hands and clothes. If you
are spattered with it, wash it away completely with water
immediately and get medical attention.

• Keep open sparks and flames away from the battery at all
times. Hydrogen gas mixed with oxygen becomes very
explosive.

• Wear eye protection and rubber gloves when working
around battery.

1. The original battery is maintenance free type battery
(Non-refillable type).
When the performance becomes low, inspect the battery.

2. Clean the battery surface with a clean cloth.
Keep the terminals clean and coated with petroleum jelly.

3. Check the battery condition by reading the indicator.

State of indicator display

Green

Black Needs charging battery.

White Needs changing battery.

Specific gravity of electrolyte and quality of electrolyte
are both in good condition.

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0016US0

(1) Battery (2) Indicator

9Y1210236GEG0017US0

NG-21

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

Directions for Storage

• When connecting the battery, do not reverse the polarities.
Connection with reverse polarities will cause spark and
troubles to the battery and electrical system in the tractor.

• When disconnecting the cable from the battery, start with
the negative terminal first.

• When connecting the cable to the battery, start with the
positive terminal first.

• Reversing the steps may cause short-circuiting, should a
metallic tool touch the terminals.

• When storing the tractor for long periods of time, remove
the battery from the tractor and store in a cool, dry place.

9Y1210236GEG0018US0

Cleaning Air Cleaner Element

1. Remove the air cleaner cover (4) and primary element (2).

2. Clean the primary element if:

• When dry dust adheres to the element, blow compressed air
from the inside turning the element. Pressure of
compressed air must be under 205 kPa (2.1 kgf/cm
30 psi).

• When carbon or oil adheres to the element, soak the
element in detergent for 15 minutes then wash it several
times in water, rinse with clean water and dry it naturally.
After element is fully dried, inspect inside of the element
with a light and check if it is damaged or not.

3. Replace the primary element (2) :
Once a year or after every six times of cleaning, whichever
comes first.

2

,

• The air cleaner uses a dry element, never apply oil.

• Do not run the engine with filter element removed.

• Be sure to refit the dust cup with the arrow ↑ (on the rear of
cup) upright. If the dust cup is improperly fitted, evacuator
valve will not function and dust will adhere to the element.

• Do not touch the secondary element except in cases where
replacing is required.

Q Evacuator Valve

Open evacuator valve once a week under ordinary conditions or

daily when used in a dusty place to get rid of large particles of dust
and dirt.

(1) Secondary (Safety) Element
(2) Primary Element

(3) Evacuator Valve
(4) Cover

9Y1210236GEG0019US0

NG-22

M8540Narrow, M9540Narrow, WSM

CAUTION

NOTE

KiSC issued 07, 2013 A

GENERAL

Adjusting Fan Belt Tension

• Be sure to stop the engine before checking belt tension.

1. Stop the engine and remove the key.

2. Apply moderate thumb pressure to belt between pulleys.

3. If tension is incorrect, loosen the alternator mounting bolts and,
using a lever placed between the alternator and the engine
block, pull the alternator out until the deflection of the belt falls
within acceptable limits.

4. Replace fan belt if it is damaged.

Belt tension Factory specification

(1) Bolt (A) Check the belt tension

(B) To tighten

10 to 12 mm

0.39 to 0.47 in.

9Y1210236GEG0020US0

Adjusting Brake Pedal

1. To check and adjusting for brake pedal, refer to "[1] CHECKING
AND ADJUSTING" at "N5. BRAKES" section.

9Y1210236GEG0021US0

Adjusting Parking Brake Lever

1. To check and adjusting for parking brake lever, refer to "[1]
CHECKING AND ADJUSTING" at "N5. BRAKES" section.

9Y1210236GEG0022US0

Checking Fuel Line

1. Check to see that all lines and hose clamps are tight and not
damaged.

2. If hoses and clamps are found worn or damaged, replace or
repair them at once.

• If the fuel line is removed, be sure to properly bleed the fuel
system. (Refer to "[14] OTHERS" in this section.)

(1) Fuel Line (2) Clamp Band

9Y1210236GEG0023US0

NG-23

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

Lubricating Grease Fittings

1. Apply a small amount of multipurpose grease to following points
every 100 hours.

2. If you operated the machine in extremely wet and muddy
condition, lubricate grease fittings more often.

(1) Battery Terminals
(2) Grease Fitting (Front Axle Support)
(3) Grease Fitting (Front Axle Support)
(4) Grease Fitting (Knuckle Shaft)

[RH, LH]
(5) Grease Fitting (Top Link Bracket)
(6) Grease Fitting (Lifting Rod)

(7) Grease Fitting (Top Link)
(8) Grease Fitting (Hydraulic Lift

Cylinders Pin)

(9) Grease Fitting (Steering Joint Shaft)

[A] CABIN Model

9Y1210236GEG0024US0

NG-24

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

Lubricating Points (CABIN Model)

(1) Door Hinge (2) Rear Window Hinge

9Y1210236GEG0025US0

NG-25

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[5] CHECK POINTS OF EVERY 200 HOURS

Checking Radiator Hose and Hose Clamp

Check to see if radiator hoses are properly fixed every 200

hours of operation or six months, whichever comes first.

1. If hose clamps (2) are loose or water leaks, tighten clamps (2)
securely.

2. Replace hoses (1) and tighten hose clamps (2) securely, if
radiator hoses (1) are swollen, hardened or cracked.
Replace hoses and hose clamps every 2 years or earlier if
checked and found that hoses are swollen, hardened or
cracked.

Q Precaution at Overheating

Take the following actions in the event the coolant temperature

be nearly or more than the boiling point, what is called
"Overheating".

1. Stop the machine operation in a safe place and keep the engine
unloaded idling.

2. Do not stop the engine suddenly, but stop it after about
5 minutes of unloaded idling.

3. Keep yourself well away from the machine for further
10 minutes or while the steam blown out.

4. Checking that there gets no danger such as burn. Get rid of the
causes of overheating, refer to "1. TROUBLESHOOTING" at "1.
ENGINE" section, and then start again the engine.

(1) Radiator Hose (2) Clamp

Checking Intake Air Line

1. Check to see that hoses and hose clamps are tight and not
damaged.

2. If hoses and clamps are found worn or damaged, replace or
repair them at once.

(1) Hose (2) Clamp

GENERAL

9Y1210236GEG0026US0

9Y1210236GEG0027US0

NG-26

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

Checking Power Steering Line

1. Check to see that all line and hose clamps are tight and not
damaged.

2. If hoses and clamps are found worn or damaged, replace or
repair them at once.

(1) Power Steering Hose
(2) Clamp

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0028US0

Adjusting Toe-in

1. Park tractor on a flat place.

2. Turn steering wheel so front wheels are in the straight ahead
position.

3. Lower the implement, lock the park brake and stop the engine.

4. Measure distance between tire beads at front of tire, hub height.

5. Measure distance between tire beads at rear of tire, hub height.

6. Front distance should be shorter than rear distance.

7. If not, adjust tie-rod length.

Toe-in (b–a) Factory specification

2.0 to 8.0 mm

0.08 to 0.31 in.

Tightening torque Tie-rod nut

167 to 196 N·m
17 to 20 kgf·m

123.2 to 144.6 lbf·ft

Q Toe-in Adjustment

1. Detach the snap ring (1).

2. Loosen the tie-rod nut (3).

3. Turn the tie-rod joint (2) to adjust until the proper toe-in
measurement is obtained.

4. Retighten the tie-rod nut (3).

5. Attach the snap ring (1) of the tie-rod joint.

(1) Snap Ring
(2) Tie-rod Joint
(3) Tie-rod Nut

(a) Wheel-to-wheel distance at front
(b) Wheel-to-wheel distance at rear
(c) "FRONT"

9Y1210236GEG0029US0

NG-27

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

Draining Fuel Tank Water

1. Loosen the drain plugs (2) at the bottom of the fuel tank (1) to
let sediments, impurities and water out of the tank. Finally
tighten up the plugs.

• If the fuel contains poor qualities with much water in it,
drain the fuel tank at shorter intervals.

• Drain the fuel tank before operating the tractor after a long
period of storage.

• The fuel tank is made of plastic. Be careful not to
overtighten the bolts.

(1) Fuel Tank
(2) Drain Plug

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0030US0

Cleaning Inner Air Filter (CABIN Model)

1. Remove the inner filter, and blow air from the direction opposite
to the filter's normal air flow.

2. Pressure of compressed air must be under 205 kPa
(2.1 kgf/cm

2

, 30 psi).

(Reference)

• Detach and attach the push-rivet (2) as follows.
– Detaching procedure

Push in the center rivet "a" and pull out the push-rivet
assembly "b".

– Attaching procedure

Pull out the center rivet "c", attach the push-rivet assembly
"d" and push up the center-rivet "e".

(1) Inner Air Filter
(2) Push-rivet
(3) Center-rivet

a: Push in center-rivet
b: Pull out push-rivet assembly
c: Pull out center-rivet
d: Attach push-rivet assembly
e: Push up center-rivet

9Y1210236GEG0031US0

NG-28

M8540Narrow, M9540Narrow, WSM

NOTE

IMPORTANT

CAUTION

KiSC issued 07, 2013 A

GENERAL

Cleaning Air Filter (CABIN Model)

Q Fresh Air Filter

1. Remove the knob bolts (3) and pull out the fresh air filter (1).

2. Blow air from the opposite direction to the filter's normal air flow.
Pressure of compressed air must be under 205 kPa

2

(2.1 kgf/cm

, 30 psi).

• If the filter is very dirty :
Dip the filter in lukewarm water with mild dish washing
detergent.
Move it up and down as well as left and right to loosen dirt.
Rinse the filter with clean water and let it air-dry.

• Do not use gasoline, thinner or similar chemicals to clean
the filter as damage to the filter may occur.

• It may also cause an unpleasant odor in the CABIN when
the system is used next.

• Do not hit the filter. If the filter becomes deformed, dust
may enter into the air-conditioner, which may cause
damage and malfunction.

(1) Fresh Air Filter
(2) Cover
(3) Knob Bolt

A: Air Inlet Port
B: Air Conditioner Air Flow

9Y1210236GEG0032US0

Check the Air Conditioner Condenser (CABIN Model)

1. Remove the air conditioner condenser screen (2).

2. Check the air conditioner condenser (1) to be sure it is clean of
debris.

(1) Air Conditioner Condenser (2) Air Conditioner Condenser Screen

9Y1210236GEG0033US0

Adjusting Air-Conditioner Belt Tension

• Be sure to stop the engine before checking belt tension.

1. Stop the engine and remove the key.

2. Apply moderate thumb pressure to belt between pulleys.

3. If tension is incorrect, loosen the tension pulley mounting nut (2)
and turn the adjusting bolt (1) to adjust the belt tension within
acceptable limits.

4. Replace air-conditioner belt if it is damaged.

Air-Conditioner belt
tension

(1) Adjusting Bolt
(2) Tension Pulley Mounting Nut

Factory specification

(A) Check the belt tension

10 to 12 mm

0.39 to 0.47 in.

9Y1210236GEG0034US0

NG-29

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[6] CHECK POINT OF EVERY 400 HOURS

Cleaning Water Separator

This job should not be done in the field, but in a clean place.

1. Close the fuel cock (1).

2. Unscrew the retainer ring (2) and remove the cup (3), and rinse
the inside with kerosene.

3. Take out the element (5) and dip it in the kerosene to rinse.

4. After cleaning, reassemble the water separator, keeping out
dust and dirt.

5. Bleed the fuel system. (Refer to "[14] OTHERS" in this section.)

(1) Fuel Cock
(2) Retaining Ring
(3) Cup
(4) O-ring
(5) Element
(6) Spring
(7) Red Float

GENERAL

(A) Close

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0038US0

NG-30

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

[7] CHECK POINTS OF EVERY 500 HOURS

Replacing Fuel Filter

1. Remove the fuel filter (1).

2. Put a film of clean fuel on rubber seal of new filter.

3. Tighten the filter until it contacts the mounting surface. Tighten
filter by hand an additional 1/2 turn only.

4. Bleed the fuel system. (Refer to "[14] OTHERS" in this section.)

(1) Fuel Filter

Replacing Hydraulic Oil FIlter

• Allow engine to cool down sufficiently, oil can be hot and
can burn.

1. Remove the drain plug (1) at the bottom of the transmission
case and drain the oil completely into the oil pan.

2. After draining reinstall the drain plug (1).

3. Remove the two oil filters (2).

4. Wipe off metal fillings with clean rags at the magnetic filters (3).

5. Put a film of clean transmission fluid on rubber seal of new
filters.

6. Tighten the filter quickly until it contacts the mounting surface.
Tighten filter by hand and additional 1/2 turn only.

7. After the new filter has been replaced, fill with the oil up to the
upper notch on the dipstick (4).

8. After running the engine for a few minutes, stop it and check the
oil level again, add oil to the prescribed level.

9. Make sure that the transmission fluid doesn't leak through the
seal.

GENERAL

9Y1210236GEG0037US0

• To prevent serious damage to the hydraulic system, use
only a KUBOTA genuine filter.

(1) Drain Plug
(2) Hydraulic Oil Filter
(3) Magnetic Filter

(Clean off Metal Fillings)
(4) Dipstick
(5) Oil Filling Plug

(A) Oil level is acceptable within this

range.

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0012US0

Changing Engine Oil

1. Refer to "[2] CHECK POINTS OF INITIAL 50 HOURS" in this
section.

9Y1210236GEG0036US0

Replacing Engine Oil Filter

1. Refer to "[2] CHECK POINTS OF INITIAL 50 HOURS" in this
section.

9Y1210236GEG0039US0

NG-31

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

[8] CHECK POINT OF EVERY 600 HOURS

Adjusting Front Axle Pivot

1. If the front axle pivot pin adjustment is not correct, front wheel
vibration can occur causing vibration in the steering wheel.

Q Adjusting Procedure

1. Loosen the lock nut (1), screw in the adjusting screw (2) until
seated, then tighten the screw (2) with an additional 1/6 turn.
Then tighten the lock nut (1).

Tightening torque Lock nut

(1) Lock Nut (2) Adjusting Screw

[9] CHECK POINTS OF EVERY 1000 HOURS

Changing Transmission Fluid

• Allow engine to cool down sufficiently, oil can be hot and
can burn.

1. To drain the used oil, remove the drain plug (1) at the bottom of
the transmission case and drain the oil completely into the oil
pan.

2. After draining reinstall the drain plug.

3. Fill with the new KUBOTA SUPER UDT fluid up to the upper
notch on the dipstick (2).

4. After running the engine for a few minutes, stop it and check the
oil level again; add oil to prescribed level.

GENERAL

98.1 to 147.1 N·m

10.0 to 15.0 kgf·m

72.3 to 108.5 lbf·ft

9Y1210236GEG0043US0

• Do not operate the tractor immediately after changing the
transmission fluid.
Run the engine at medium speed for a few minutes to
prevent damage to the transmission.

52 L

Oil capacity

(1) Drain Plug
(2) Dipstick
(3) Oil Filling Plug

54.9 U.S.qts
46 Imp.qts

(A) Oil level is acceptable within the

range.

9Y1210236GEG0013US0

NG-32

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

Changing Front Differential Case Oil and Front Axle Case Oil

1. To drain the used oil, remove the drain plugs (1) at the both front
axle gear cases and filling plugs (2), and drain the oil completely
into the oil pan.

2. After draining reinstall the drain plugs (1).

3. Remove the oil level check plugs (3).

4. Fill with the new oil up to the lower rim of check plug port on the
both front axle gear cases.

5. Finally fill with the new oil up to the lower rim of check plug port
on the front differential case. (Refer to "4. LUBRICANTS, FUEL
AND COOLANT" in this section.)

6. After checking oil is visible through the openings of three check
plugs, reinstall filling plugs and check plugs.

• Do not remove the screw (4). The screw (4) is not for drain
plug, filling port plug and check plug.

Front axle gear case
(each side)

Oil capacity

Front differential case

3.0 L

3.2 U.S.qts

2.6 Imp.qts
for each side

5.0 L

5.3 U.S.qts

4.4 Imp.qts

(1) Drain Plug
(2) Filling Plug

Adjusting Engine Valve Clearance

1. Refer to "[1] CHECKING AND ADJUSTING" at "1. ENGINE"
section.

[10] CHECK POINT OF EVERY 1500 HOURS

Checking Fuel Injection Nozzle (Injection Pressure)

1. Refer to "[1] CHECKING AND ADJUSTING" at "1. ENGINE"
section.

[11] CHECK POINTS OF EVERY 3000 HOURS

Checking Turbocharger

1. Refer to "[1] CHECKING AND ADJUSTING" at "1. ENGINE"
section.

Checking Injection Pump

1. Refer to "[1] CHECKING AND ADJUSTING" at "1. ENGINE"
section. (ROPS Model)

2. Refer to "[1] CHECKING AND ADJUSTING" at "N1. ENGINE"
section. (CABIN Model)

Checking Intake Air Heater

1. Refer to "4. CHECKING AND ADJUSTING" at "9. ELECTRICAL
SYSTEM" section.

(3) Check Plug
(4) Screw

9Y1210236GEG0014US0

9Y1210236GEG0044US0

9Y1210236GEG0045US0

9Y1210236GEG0046US0

9Y1210236GEG0047US0

9Y1210236GEG0048US0

NG-33

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[12] CHECK POINTS OF EVERY 1 YEAR

Replacing Air Cleaner Primary Element and Secondary
Element

1. Refer to "[4] CHECK POINTS OF EVERY 100 HOURS" in this
section.

Checking Air Conditioner Pipe and Hose (CABIN Model)

1. Check to see that all lines and hose clamps are tight and not
damaged.

2. If hoses and clamps are found worn or damaged, replace them.

Checking CAB Isolation Cushion (CABIN Model)

1. Check the cushion for any breakage or figure.

2. Replace them if they are deteriorated.

(1) Isolation Cushion (F) Front Side

GENERAL

9Y1210236GEG0049US0

9Y1210236GEG0050US0

(R) Rear Side

9Y1210236GEG0051US0

NG-34

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

[13] CHECK POINTS OF EVERY 2 YEARS

Flush Cooling System and Changing Coolant

• Do not remove the radiator cap when the engine is hot.
Then loosen cap slightly to the stop to relieve any excess
pressure before removing cap completely.

1. Stop the engine and let cool down.

2. To drain the coolant, open the radiator drain plug (1) and
remove the drain plug (2) and radiator cap (3). The radiator cap
(3) must be removed to completely drain the coolant.

3. After all coolant is drained, install the drain plug (1) and (2)
securely.

4. Fill with clean water and cooling system cleaner.

5. Follow directions of the cleaner instruction.

6. After flushing, fill with clean water and anti-freeze until the
coolant level is just below the radiator cap. Install the radiator
cap (3) securely.

7. Fill with clean water and anti-freeze up to the upper line of
recovery tank (4).

8. Start and operate the engine for few minutes.

9. Stop the engine. Check coolant level and add coolant if
necessary.

10. Properly dispose of used coolant.

Coolant capacity

Engine block and
radiator

Recovery tank

GENERAL

9.0 L

9.5 U.S.qts

7.9 Imp.qts

1.0 L

1.1 U.S.qts

0.9 Imp.qts

• Do not start engine without coolant.

• Use clean, fresh water and anti-freeze to fill the radiator.

• When the anti-freeze is mixed with water, the anti-freeze
mixing ratio must be less than 50 %.

• Securely tighten radiator cap (3). If the cap is loose or
improperly fitted, water may lead out and the engine could
overheat.

(1) Drain Plug (Radiator)
(2) Drain Plug (Crankcase)
(3) Radiator Cap
(4) Recovery Tank

[A] ROPS Model
[B] CABIN Model

(To be continued)

NG-35

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

(Continued)

GENERAL

Q Anti-Freeze

• When using antifreeze, put on some protection such as
rubber gloves (Antifreeze contains position).

• If should drink antifreeze, throw up at once and take
medical attention.

• When antifreeze comes in contact with the skin or clothing,
wash it off immediately.

• Do not mix different types of Antifreeze.
The mixture can produce chemical reaction causing
harmful substances.

• Antifreeze is extremely flammable and explosive under
certain conditions. Keep fire and children away from
antifreeze.

• When draining fluids from the engine, place some
container underneath the engine body.

• Do not pour waste onto the grounds, down a drain, or into
any water source.

• Also, observe the relevant environmental protection
regulations when disposing of antifreeze.

If it freezes, coolant can damage the cylinders and radiator. If

the ambient temperature falls below 0 °C or before a long-term
storage, let out coolant completely, or mix fresh water with long-life
coolant and fill the radiator and reserve tank with the mixture.

1. Long-life coolant (hereafter LLC) comes in several types. Use
ethylene glycol (EG) type for this engine.

2. Before employing LLC-mixed coolant, fill the radiator with fresh
water and empty it again.
Repeat this procedure 2 or 3 times to clean up the inside.

3. Mixing the LLC
Put the LLC in coolant in the percentage (%) for a target
temperature. When mixing, stir it up well, and then fill into the
radiator.

4. The procedure for the mixing of water and antifreeze differs
according to the make of the antifreeze and the ambient
temperature. Refer to SAE J1034 standard, more specifically
also to SAE J814c.

• When the antifreeze is mixed with water, the antifreeze
mixing ratio must be less than 50 %.

Vol % Anti-freeze

40 −24 −12 106 222

50 −37 −34 108 226

Freeze Point Boiling Point*

°C °F °C °F

*At 1.013 x 1000000 Pa (760 mmHg) pressure (atmospheric). A

higher boiling point is obtained by using a radiator pressure cap
which permits the development of pressure within the cooling
system.

(To be continued)

NG-36

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

(Continued)

GENERAL

1. Adding the LLC
(1) Add only water if the mixture reduces in amount by
evaporation.
(2) If there is a mixture leak, add the LLC of the same
manufacture and type in the same mixture percentage.
*Never add any long-life coolant of different manufacture.
(Different brands may have different additive components, and
the engine may fail to perform as specified.)

2. When the LLC is mixed, do not employ any radiator cleaning
agent. The LLC contains anticorrosive agent. If mixed with the
cleaning agent, sludge may build up, adversely affecting the
engine parts.

3. Kubota's genuine long-life coolant has a service life of 2 years.
Be sure to change the coolant every 2 years.

• The above data represents industry standards that
necessitate a minimum glycol content in the concentrated
anti-freeze.

• When the coolant level drops due to evaporation, add water
only to keep the antifreeze mixing ratio less than 50 %. In
case of leakage, add antifreeze and water in the specified
mixing ratio before filling in to the radiator.

9Y1210236GEG0052US0

Replacing Radiator Hose (Water Pipes)

1. Replace the hoses and clamps.
Refer to "[5] CHECK POINTS OF EVERY 200 HOURS" in this
section.

9Y1210236GEG0053US0

Replacing Intake Air Line

1. Replace the hoses and clamps.
Refer to "[5] CHECK POINTS OF EVERY 200 HOURS" in this
section.

9Y1210236GEG0054US0

Replacing Fuel Hose

1. Replace the fuel hose and clamps.
Refer to "[4] CHECK POINTS OF EVERY 100 HOURS" in this
section.

9Y1210236GEG0055US0

Replacing Power Steering Hose

1. Replace the hoses and clamps.
Refer to "[5] CHECK POINTS OF EVERY 200 HOURS" in this
section.

9Y1210236GEG0056US0

Replacing Lift Cylinder Hose

1. Replace the lift cylinder hose.

9Y1210236GEG0057US0

Replacing Air Conditioner Pipes and Hoses (CABIN Model)

1. Replace the air conditioner pipes and hoses.
Refer to "N10. CABIN" servicing section.

9Y1210236GEG0058US0

NG-37

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

[14] OTHERS (SERVICE AS REQUIRED)

Bleeding Fuel System

Air must be removed:

1. When the fuel filter or lines are removed.

2. When water is drained from water separator.

3. When tank is completely empty.

4. After the tractor has not been used for a long period of time.

Q Bleeding procedure is as follows:

1. Fill the fuel tank with fuel, and open the fuel cock (1).

2. Pump the fuel pump knob (2) located on the top of the fuel filter.
The fuel pump knob will pump easily at first and with added
resistance as air is purged from the system. To make sure air is
completely purged, pinch the fuel overflow hose (3) with fingers,
if a pulsation is felt when the knob is pumped, then, no air
remains.

3. Set the hand throttle lever at the maximum speed position, turn
the key switch to start the engine, and then reset the throttle
lever at the mid speed (around 1500 min
If engine does not start, try it several times at 30 second
intervals.

4. Accelerate the engine to remove the small portion of air left in
the fuel system.

5. If air still remains and the engine stops, repeat the above steps.

GENERAL

−1

(rpm)) position.

• Do not hold key switch at engine start position for more
than 10 seconds continuously. If more engine cranking is
needed, try again after 30 seconds.

(1) Fuel Cock
(2) Fuel Pump Knob
(3) Fuel Overflow Hose

[A] ROPS Model
[B] CABIN Model

(A) Close
(B) Open
(C) Up
(D) Down

9Y1210236GEG0059US0

Bleeding Brake System

1. Refer to "4. CHECKING, DISASSEMBLING AND SERVICING"
at "N5. BRAKES" section.

9Y1210236GEG0060US0

NG-38

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

Draining Clutch Housing Water

1. The tractor is equipped with drain plug (1) under the clutch
housing.

2. After operating in rain, snow or tractor has been washed, water
may get into the clutch housing.

3. Remove the drain plug (1) and drain the water, then install the
plug (1) again.

(1) Drain Plug (Water) [A] ROPS Model

[B] CABIN Model

9Y1210236GEG0061US0

Checking Refrigerant (Gas) (CABIN Model)

• Liquid contact with eyes or skin may cause frostbite.

• In the event of a leakage, wear safety goggles. Escaping
refrigerant can cause severe injuries to eyes.

• In contact with a flame, R134a refrigerant gives a toxic gas.

• Do not disconnect any part of the refrigeration circuit of the
air conditioning system.

A shortage of refrigerant impairs the air-conditioner

performance. Check the following points. If it is indicated that the
amount of refrigerant is extremely low, inspect and charge. (Refer
to "10. CABIN" service section.)

Q Checking Procedure

1. Run the air-conditioner in the following conditions.

• Engine speed: About 1500 min

−1

(rpm)

• Temperature control lever:
Maximum cooling position (leftmost)

• Fan switch: Highest blow (HI)

• Air-conditioner switch: ON

2. Look into the sight glass (1) to see if the refrigerant is flowing
through its circuit.

• Charge only with R134a not R12 refrigerant (gas).

(1) Sight Glass (A) Proper: Little or no air bubbles in

the refrigerant flow.

(B) Low: Lots of air bubbles in the

refrigerant flow (air bubbles or
foam passing continuously).

(C) Overfull or no refrigerant:

Colorless and transparent.

9Y1210236GEG0062US0

NG-39

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

Adding Washer Liquid (CABIN Model)

1. Remove the cover (1) and open the washer liquid tank cap (3).

2. Add a proper amount of automobile washer liquid.

1.0 L

Washer liquid tank capacity

1.1 U.S.qts

0.9 Imp.qts

(1) Cover
(2) Knob Bolt

(3) Washer Liquid Tank Cap
(4) Washer Liquid Tank

9Y1210236GEG0063US0

NG-40

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

Replacing Light Bulb

• Be careful not to drop the bulb, hit anything against the
lamp, apply excess force, and get the lamp scratched. If
broken, glass may cause injury. Pay more attention to
halogen lamps in particular, which have high pressure
inside.

• Before replacing the lamp, be sure to turn off the light and
wait until the bulb cools down, otherwise, you may get
burned.

Q Head lights

1. While pushing the right and left lock buttons (2), pull and remove
the electrical connector (1).

2. Remove the rubber boot (3).

3. Remove the clamping fixture (4) and take out the bulb (5).

4. Replace with a new bulb and reinstall the head lamp assembly
in the reverse order.

Q Other lights

1. Detach the lens and replace the bulb.

• Be sure to use a new bulb of the specified wattage.

• Never touch the bulb surface (glass) with bare hands.
Fingerprints, for example, may break the bulb.

ROPS Model CABIN Model

Light Capacity Capacity

Head light 12 V, 55 / 60 W (H4)

Turn signal / hazard light (Front) 12 V, 21 W

Turn signal / hazard light (Rear) 12 V, 21 W

Brake stop light / Tail light 12 V, 21 / 5 W

Front work light 12 V, 21 W

Work light (for outer roof) – 12 V, 55 W

Dome light (room lamp) – 12 V, 5 W

Front position light 12 V, 10 W

Number plate light 12 V, 10 W

(1) Electrical Connector
(2) Lock Button
(3) Rubber Boot

(4) Clamping Fixture
(5) Bulb

9Y1210236GEG0064US0

Replacing Fuse

1. Refer to "3. CHECKING AND ADJUSTING" at "N9.
ELECTRICAL SYSTEM" section in this manual.

9Y1210236GEG0065US0

NG-41

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

8. SPECIAL TOOLS

[1] SPECIAL TOOLS

GENERAL

Adaptor for Sliding Hammer

Application

• Use to removing the hydraulic pump drive gear pin with sliding
hammer.

Hydraulic pump drive gear pin

A M8 × P1.25

B 25 mm (0.98 in.)

C 50 mm (1.97 in.)

D 23 mm (0.91 in.)

E 27 mm (1.06 in.)

F M14 × P1.5

(1) Adaptor (M6) (2) Stud Bolt (M8 × P1.25)

9Y1210236GEG0066US0

NG-42

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

Bevel Gear Shaft Tool

Application

• Use for measuring and tightening the bevel gear shaft.

Bevel gear for front axle Bevel gear for rear axle

12.75 to 12.90 mm square

A

(0.50 to 0.51 in. square)

B 25 mm dia. (0.984 in. dia.)

C 22.5 mm dia. (0.886 in. dia.) 32.5 mm dia. (1.28 in. dia.)

D 0.52 rad (30 °) 0.52 rad (30 °)

E 26.0 mm dia. (1.02 in. dia.)

F Involute spline (refer to below) Involute spline (refer to below)

G Chamfer 1.0 mm (0.039 in.) Chamfer 1.0 mm (0.039 in.)

H 30 mm (1.18 in.) 30 mm (1.18 in.)

I 5 mm (0.19 in.) 5 mm (0.19 in.)

J 55 mm (2.17 in.) 55 mm (2.17 in.)

K 30 mm dia. (1.18 in. dia.) 40 mm dia. (1.57 in. dia.)

L 40 mm dia. (1.57 in. dia.) 50 mm dia. (1.97 in. dia.)

12.75 to 12.90 mm square
(0.50 to 0.51 in. square)

30.000 to 30.025 mm dia.
(1.1811 to 1.1821 in. dia.)

32.6 to 33.0 mm dia.
(1.28 to 1.29 in. dia.)

(Involute Spline)

Bevel gear

for front axle

Spline (Internal) 25 × 18Z × 1.25 m × 20

Coefficient of profile shifting +0.800 +0.800

Tooth form Stub tooth Stub tooth

To ol

Number of teeth 18 24

Diameter of basic pitch
circle

To ot h
thickness

Module 1.250 1.250

Pressure
angle

Grade Class a Class a

Between pin
diameter

0.35 rad (20 °) 0.35 rad (20 °)

22.5 mm 30.0 mm

20.084 to 20.155 mm
(Pin diameter =

2.50 mm)

Bevel gear

for rear axle

32.5 × 24Z × 1.25 m ×
20

27.584 to 27.656 mm
(Pin diameter =

2.50 mm)

GENERAL

(Reference)

• This tool can be made by welding the coupling (33710-41310)
and socket wrench for front bevel gear shaft.

• This tool can be made by welding the coupling (3C001-32010)
and socket wrench for rear bevel gear shaft.

9Y1210236GEG0067US0

NG-43

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

GENERAL

Hydraulic Arm Shaft Bushing Press-Fitting Tool

Application

• Use for replacing the hydraulic arm shaft bushings in the
hydraulic cylinder body.

• Unless otherwise specified: All surface 12.5 µm (0.0005 in.)

A 49.85 to 49.95 mm (1.963 to 1.966 in.)

B 15 mm (0.59 in.)

C 50 mm (1.969 in.)

D 30 mm (1.18 in.)

E 44.85 to 44.95 mm (1.766 to 1.770 in.)

F 78 mm dia. (3.07 in. dia.)

G 40 mm dia. (1.57 in. dia.)

H 50 mm (1.97 in.)

I 20 mm (0.79 in.)

a 6.3 µm (0.00025 in.)

b 6.3 µm (0.00025 in.)

c 6.3 µm (0.00025 in.)

d 6.3 µm (0.00025 in.)

9Y1210236GEG0068US0

Valve Adaptor

Application

• Use for measuring the system pressure of shuttle valve, 4WD /
Bi-speed turn and PTO clutch valve relief pressure.

A 24 mm (0.94 in.)

B 27.7 mm (1.09 in.)

C PS1/4

D 11 mm (0.43 in.)

E 15 mm (0.59 in.)

F 40 mm (1.57 in.)

G 60 mm (2.36 in.)

H 15 mm (0.59 in.)

I PT1/8

J 4 mm dia. (0.15 in. dia.)

C1 Chamfer 1 mm (0.039 in.)

C2 Chamfer 2 mm (0.079 in.)

9Y1210236GEG0069US0

NG-44

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

GENERAL

Front Axle Rocking Restrictor

A 120 mm (4.72 in.)

B 12 mm (0.72 in.)

C M10 × P1.25

D 30 mm (1.18 in.)

E M16 × P1.5

F 10 mm (0.39 in.)

G 20 mm (0.79 in.)

H 36 mm (1.42 in.)

I 64 mm (2.52 in.)

J 45 mm (1.77 in.)

K 20 mm (0.79 in.)

(1) Screw

M10 × P1.25 × L50 mm (2 in.)

(2) Screw

M16 × P1.5 × L50 mm (2 in.)

(3) Rocking Restrictor

9Y1210236GEG0070US0

NG-45

M8540Narrow, M9540Narrow, WSM

WARNING

IMPORTANT

NOTE

KiSC issued 07, 2013 A

GENERAL

9. TIRES

• Do not attempt to mount a tire on a rim. This should be done by a qualified person with the proper
equipment.

• Always maintain the correct tire pressure. Do not inflate tires above the recommended pressure show in
the operator's manual.

• Do not use tires other than those approved by KUBOTA.

• Dual tires are not approved.

• When optional different-diameter tires are fitted on the machine, the travel speed display mode must be
changed. Otherwise the travel speed will not get correctly displayed. Such mode switching is also needed
when the original tires are back on the machine. (Refer to "4. CHECKING AND ADJUSTING" at "N9.
ELECTRICAL SYSTEM" section.)

9Y1210236GEG0071US0

NG-46

M8540Narrow, M9540Narrow, WSM

IMPORTANT

NOTE

KiSC issued 07, 2013 A

[1] TIRE SIZE AND INFLATION PRESSURE

• Excessive wear of tires may occur due to improper gear ratio.

Through the tire pressure is factory-set to the prescribed level,
it naturally drops slowly in the course of time. Thus, check it every
day and inflate as necessary.

Q Recommended Inflation Pressure

• Maintain the pressure shown below for normal use.

Tire sizes Inflation pressure

7.5-16 280 kPa (2.86 kgf/cm

7.5R16 320 kPa (3.26 kgf/cm

7.5-18 225 kPa (2.29 kgf/cm

7.5R18 320 kPa (3.26 kgf/cm

7.5R20 180 kPa (1.84 kgf/cm

8.0 / 75-15 250 kPa (2.55 kgf/cm

240 / 70R16 240 kPa (2.45 kgf/cm

Front

Rear

250 / 80-16 250 kPa (2.55 kgf/cm

250 / 80-18 250 kPa (2.55 kgf/cm

260 / 70R16 220 kPa (2.24 kgf/cm

280 / 65R16 220 kPa (2.24 kgf/cm

280 / 70R16 200 kPa (2.04 kgf/cm

280 / 70R18 196 kPa (2.00 kgf/cm

280 / 70R20 160 kPa (1.63 kgf/cm

280 / 80R18 160 kPa (1.63 kgf/cm

12.4R24 160 kPa (1.63 kgf/cm

13.6R28 160 kPa (1.63 kgf/cm

14.9LR20 160 kPa (1.63 kgf/cm

230 / 95R32 400 kPa (4.08 kgf/cm

230 / 95R36 360 kPa (3.67 kgf/cm

320 / 85R24 160 kPa (1.63 kgf/cm

320 / 85R28 160 kPa (1.63 kgf/cm

340 / 85R28 120 kPa (1.22 kgf/cm

360 / 70R20 220 kPa (2.24 kgf/cm

360 / 70R24 160 kPa (1.63 kgf/cm

380 / 70R20 160 kPa (1.63 kgf/cm

380 / 70R24 120 kPa (1.22 kgf/cm

360 / 70R28 140 kPa (1.43 kgf/cm

380 / 70R28 120 kPa (1.22 kgf/cm

420 / 65R24 140 kPa (1.43 kgf/cm

420 / 70R28 100 kPa (1.02 kgf/cm

440 / 65R24 120 kPa (1.22 kgf/cm

440 / 65R28 120 kPa (1.22 kgf/cm

2

, 40.6 psi)

2

, 46.4 psi)

2

, 32.6 psi)

2

, 46.4 psi)

2

, 26.1 psi)

2

, 36.3 psi)

2

, 34.8 psi)

2

, 36.3 psi)

2

, 36.3 psi)

2

, 31.9 psi)

2

, 31.9 psi)

2

, 29.0 psi)

2

, 28.4 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 58.0 psi)

2

, 52.2 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 17.4 psi)

2

, 31.9 psi)

2

, 23.2 psi)

2

, 23.2 psi)

2

, 17.4 psi)

2

, 20.3 psi)

2

, 17.4 psi)

2

, 20.3 psi)

2

, 14.5 psi)

2

, 17.4 psi)

2

, 17.4 psi)

GENERAL

• Maintain the maximum pressure in front tires, if using a
front loader of when equipped with lots of front weight.

(A) Insufficient
(B) Standard

(C) Excessive
(D) Ground

9Y1210236GEG0085US0

NG-47

M8540Narrow, M9540Narrow, WSM

CAUTION

IMPORTANT

KiSC issued 07, 2013 A

GENERAL

[2] TREAD ADJUSTMENT

• When working on slopes or when working with trailer, set the wheel tread as wide as practical for
maximum stability.

• Support tractor securely on stands before removing a wheel.

• Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be
accidentally lowered. If necessary to work under tractor or any machine elements for servicing or
adjustment, securely support them with stands or suitable blocking beforehand.

• Never operate tractor with a loose rim, wheel, or axle.

9Y1210236GEG0073US0

(1) Front Wheels

Front tread width can be adjusted as shown with the standard

equipped tires.

To change the tread width

1. Remove the wheel rim and disc mounting bolts.

2. Change the position of the rim and disc (right and left) to the
desired position, and tighten the bolts.

3. Adjust the toe-in. (Refer to "[5] CHECK POINTS OF EVERY 200
HOURS" at "7. CHECK AND MAINTENANCE" in this section.)

• Always attach wheels as shown in the figure.

• If not attached as illustrated, transmission parts may be
damaged.

• When re-fitting or adjusting a wheel, tighten the bolts to the
following torques then recheck after driving the tractor
200 m (200 yards) and thereafter according to service
interval. (Refer to "[5] CHECK POINTS OF EVERY 50
HOURS" at "7. CHECK AND MAINTENANCE" in this
section.)

Toe-in Factory specification

Tightening
torque

(1) Front Wheel Mounting Nut [A] ROPS Model

Front wheel mounting
nut

M16

[B] CABIN Model

2.0 to 8.0 mm

0.08 to 0.31 in.

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

(To be continued)

NG-48

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(Continued)

GENERAL

7.5R20 –

250 / 80-18

280 / 70R18

280 / 70R20

280 / 80R18 – –

7.5-16 – 1157 mm (45.55 in.)

7.5R16 1071 mm (42.17 in.) 1227 mm (48.31 in.)

7.5-18 1139 mm (44.84 in.) 1155 mm (45.47 in.)

7.5R18 – 1205 mm (47.44 in.)

8.0 / 75-15 – 1210 mm (47.64 in.)

240 / 70-16 – 1239 mm (48.78 in.)

250 / 80-16 1121 mm (44.13 in.) 1177 mm (46.34 in.)

260 / 70R16 – 1238 mm (48.74 in.)

280 / 65R16 – 1238 mm (48.74 in.)

280 / 70R16 – 1237 mm (48.70 in.)

1154 mm

(45.43 in.)

1156 mm

(45.51 in.)

1175 mm

(46.26 in.)

1165 mm

(45.87 in.)

1139 mm

(44.84 in.)

1142 mm

(44.96 in.)

––

1183 mm

(46.57 in.)

–

–

–

(a) Tread

9Y1210236GEG0086US0

NG-49

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

(2) Rear Wheels

GENERAL

Rear tread width can be adjusted as shown with the standard

equipped tires.

To change the tread width

1. Remove the wheel rim and / or disc mounting bolts.

2. Change the position of the rim and disc (right and left) to the
desired position, and tighten the bolts.

• Always attach wheels as shown in the figure.

• If not attached as illustrated, transmission parts may be
damaged.

• When re-fitting or adjusting a wheel, tighten the bolts to the
following torques then recheck after driving the tractor
200 m (200 yards) and thereafter according to service
interval.

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

259.9 to 304.0 N·m

26.5 to 31.0 kgf·m

191.7 to 224.2 lbf·ft

Tightening
torque

Rear wheel mounting
nut

Rear disc mounting nut M16

M16

(1) Rear Wheel Mounting Nut
(2) Rear Disc Mounting Nut

[A] ROPS Model
[B] CABIN Model

9Y1210236GEG0075US0

NG-50

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

Tread (a) A B C D E F G

13.6R28 – –

14.9LR20

230 / 95R32 –

230 / 95R36 – –

320 / 85R24 –

320 / 85R28 – – –

340 / 85R28 – –

360 / 70R20

380 / 70R24 –

380 / 70R

380 / 70R28 – –

420 / 65R24 – –

420 / 70R28 – – –

440 / 65R24 –

20

1112 mm

(43.78 in.)

1112 mm

(43.78 in.)

112 mm

1

(43.78 in.)

1221 mm

(48.07 in.)

1000 mm

(39.37 in.)

985 mm

(38.8 in.)

1221 mm

(48.07 in.)

985 mm

(38.8 in.)

1221 mm

(48.07 in.)

1101 mm

(43.35 in.)

1151 mm

(45.31 in.)

1212 mm

(47.72 in.)

1202 mm

(47.32 in.)

1223 mm

(48.15 in.)

1151 mm

(45.31 in.)

1223 mm

(48.15 in.)

1060 mm

(41.73 in.)

1156 mm

(45.51 in.)

1107 mm

(43.58 in.)

–

–

–

1264 mm

(49.76 in.)

1096 mm

(43.15 in.)

1262 mm

(49.68 in.)

1256 mm

(49.45 in.)

1332 mm

(52.44 in.)

1232 mm

(48.50 in.)

1264 mm

(49.76 in.)

1096 mm

(43.15 in.)

1332 mm

(52.44 in.)

1096 mm

(43.15 in.)

1154 mm

(45.53 in.)

1265 mm

(49.80 in.)

1264 mm

(49.76 in.)

1216 mm

(47.87 in.)

1354 mm

(53.31 in.)

1248 mm

(49.13 in.)

1350 mm

(53.15 in.)

1360 mm

(53.54 in.)

1276 mm

(50.24 in.)

1286 mm

(50.63 in.)

1354 mm

(53.31 in.)

1248 mm

(49.13 in.)

1276 mm

(50.24 in.)

1248 mm

(49.13 in.)

1266 mm

(49.84 in.)

1343 mm

(52.87 in.)

1354 mm

(53.31 in.)

1392 mm

(54.80 in.)

1467 mm

(57.76 in.)

1357 mm

(54.43 in.)

1400 mm

(55.12 in.)

1414 mm

(55.67 in.)

1385 mm

(54.53 in.)

1326 mm

(52.20 in.)

1467 mm

(57.76 in.)

1357 mm

(54.43 in.)

1385 mm

(54.53 in.)

1357 mm

(54.43 in.)

1348 mm

(53.07 in.)

1452 mm

(57.17 in.)

1467 mm

(57.76 in.)

1501 mm

(59.09 in.)

GENERAL

–

–

–

–

–

1380 mm

(54.33 in.)

–

–

–

–

–

–

–

–

(1) Rear Wheel Disc (2) Rear Wheel Rim (a) Tread

[3] WHEEL HUB

9Y1210236GEG0087US0

Front wheel hub Rear wheel hub

Screw circle diameter (A) 203.2 mm (8 in.) 203.2 mm (8 in.)

Number of screws 8 8

Screws M16 × P1.5 M16 × P1.5

Hub pilot diameter (B) 152.4 mm (6 in.) 152.4 mm (6 in.)

9Y1210236GEG0077US0

NG-51

M8540Narrow, M9540Narrow, WSM

CAUTION

KiSC issued 07, 2013 A

GENERAL

[4] FENDER

(1) Adjusting Fender Height (ROPS Model)

• Support tractor securely on stands before removing a wheel.

• Do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be
accidentally lowered. If necessary to work under tractor or any machine elements for servicing or
adjustment, securely support them with stands or suitable blocking beforehand.

Fender Position

Adjust the height of the fender according to the size of the tire.

1. Remove the rear wheels.

2. Remove the hydraulic control lever guide mounting nuts (3) and
detach the hydraulic control lever guide (1) from the fender
R.H..

3. Remove the fender mounting screws (4).

4. Change the position of the fender (right and left) to the desired
position, and tighten the screws (4).

5. Reinstall the hydraulic control lever guide (1) to the fender R.H..

6. Reinstall the rear wheels.

Tire size Fender position

12.4R24

380 / 70R24

320 / 85R28
360 / 70R28
380 / 70R28
440 / 65R28

Lower position

Upper position

(When reassembling)

Fender mounting screw
(M8) and nut (M8)

Tightening torque

Rear wheel disc mounting
screw

(1) Hydraulic Control Lever Guide
(2) Fender
(3) Nut (M8)
(4) Screw (M8)

23.5 to 27.5 N·m

2.4 to 2.8 kgf·m

17.3 to 20.3 lbf·ft

260 to 304 N·m

26.5 to 31.0 kgf·m

191.8 to 224.2 lbf·ft

[A] Lower Position
[B] Upper Position

9Y1210236GEG0078US0

NG-52

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

GENERAL

10. IMPLEMENT LIMITATIONS

The KUBOTA Tractor has been thoroughly tested for proper performance with implements sold or approved by
KUBOTA. Use with implements which exceed the maximum specifications listed below, or which are otherwise unfit
for use with the KUBOTA Tractor may result in malfunctions or failures of the tractor, damage to other property and
injury to the operator or others. [Any malfunctions or failures of the tractor resulting from use with improper implements
are not covered by the warranty.]

Tread (max. width) with farm tires

Front Rear

1139 mm (44.84 in.) 1348 mm (53.07 in.) 2300 kg (5070 lbs)

Actual figures

Implement Weight W1 and / or size Max. Drawbar Load W2

As in the following list (shown on the next page)

Lower link end max. hydraulic lifting capacity W0
Implement weight W1: The implement's weight which can be put on the lower link
Max. drawbar load W2
Trailer loading weight W3: The max. loading weight for trailer (without trailer's weight )

• Implement size may vary depending on soil operating conditions.

Lower link end max. loading weight

Trailer loading weight W3

W0

Max. capacity

9Y1210236GEG0079US0

NG-53

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

[1] IMPLEMENT CAPACITY

GENERAL

No. Implement Remarks

1 Trailer

Rotary­Cutter

2Mower

3 Sprayer

4 Rotary Tiller

5 Bottom Plow

Disc-

6

harrow

7 Disc Plow

8 Sub Soiler

9 Cultivator

Flail
Mower
(Heavy)

Sickle
Bar

3-point
Hitch
Typ e

Drawbar
Typ e

Max. Load Capacity Refer to the next page

Max. Drawbar Load Refer to the next page

Max. Cutting Width 2130 mm (84 in.)

Max. Weight 540 kg (1200 lbs)

Max. Cutting Width 3050 mm (120 in.)

Max. Weight 800 kg (1760 lbs)

Max. Cutting Width 2130 mm (84 in.)

Mid 680 L (180 U.S.gals, 150 Imp.gals)

Max.
Ta nk ­capacity

Max. Tilling Width 2130 mm (84 in.)

Max. Weight 800 kg (1760 lbs)

Max. Size

Max. Weight
(3-point Hitch Type)

Max. Size 18 in. × 24

Max. Harrowing
Width

Max. Weight 450 kg (1000 lbs)

Max. Harrowing
Width

Max. Size

Max. Weight 450 kg (1000 lbs)

Numbers of
Cultivating Tines

Cultivating Depth 400 mm (16 in.)

Max. Width 3660 mm (144 in.)

Number of Rows 4

Max. Weight 450 kg (1000 lbs)

Rear
3-point
Hitch

Drawbar 4000 L (1030 U.S.gals, 880 Imp.gals)

M8540Narrow, M9540Narrow Cabin

ROPS / CABIN

680 L (180 U.S.gals, 150 Imp.gals)

14 in. × 3
16 in. × 2
18 in. × 1

450 kg (1000 lbs)

2130 mm (84 in.)

2750 mm (108 in.)

24 in. × 3
26 in. × 2

2

• Implement size may very depending on soil operating conditions.

9Y1210236GEG0080US0

NG-54

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[2] TRAILER LOAD CAPACITY

GENERAL

Vertical load

W2

Trailer loading

weight max.
capacity W3

A

B

C

D –

Unbraked towable mass

Independently braked

mass

Inertia-braked towable

Towable mass when fitted

mass

with hydraulic or

matic braking

pneu

Drawbar High-hitch

Long Normal Automatic CUNA C CUNA D2

(a

(b)

(c)

)

600 kg

1320 lbs

800 kg

1760 lbs

900 kg

1980 lbs

3000 kg

6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

10000 kg

22046 lbs

10000 kg

22046 lbs

8500 kg

18740 lbs

170 kg
375 lbs

280 kg
617 lbs

400 kg
882 lbs

580 kg

1280 lbs

3000 kg

6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

8500 kg

18740 lbs

165 kg

364 lbs

270 kg

595 lbs

390 kg

860 lbs

560 kg

1230 lbs

3000 kg
6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

8500 kg

18740 lbs

175 kg

386 lbs

285 kg

628 lbs

410 kg

904 lbs

600 kg

1320 lbs

3000 kg

6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

6000 kg

13230 lbs

Piton-fix

175 kg

386 lbs

285 kg

628 lbs

410 kg

904 lbs

600 kg

1320 lbs

3000 kg
6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

8500 kg

18740 lbs

9Y1210236GEG0081US0

1800 kg

3968 lbs

–

–

–

3000 kg

6614 lbs

5000 kg

11020 lbs

6000 kg

13230 lbs

8500 kg

18740 lbs

[A] Drawbar / Long Type [B] High-hitch [C] Piton-fix

9Y1210236GEG0082US0

NG-55

N2 CLUTCH

KiSC issued 07, 2013 A

MECHANISM

KiSC issued 07, 2013 A

CONTENTS

1. PTO CLUTCH...........................................................................................................................N2-M1

[1] STRAUCTURE ...................................................................................................................N2-M1

(1) M8540Narrow Model ....................................................................................................N2-M1

(2) M9540Narrow (Cabin Model) .......................................................................................N2-M2

[2] PTO CLUTCH OPERATION ..............................................................................................N2-M3

[3] PTO SOLENOID VALVE, RELIEF VALVE AND OIL FLOW ..............................................N2-M4

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

1. PTO CLUTCH

[1] STRAUCTURE

(1) M8540Narrow Model

CLUTCH

As shown in the figure above, the PTO propeller
shaft 1 is splined to the spline hub and is always rotating
while the engine is running.

The PTO clutch pack has four clutch discs (6), four
drive plates (7), a belleville washer (cupped spring
washer) (9) and one pressure plate (5). The clutch piston
(8) actuated by hydraulic from PTO clutch valve, tightly
presses the clutch discs (6) and drive plates (7) toward
the pressure plate (5).

As a result, the rotation of the PTO propeller shaft 1
is transmitted to the PTO propeller shaft 2 (3) through the
PTO clutch pack (2).

The belleville washer (cupped spring washer) (9)
reduce the engaging shock. Thereby, the PTO clutch is
engaged very smoothly.

(1) PTO Propeller Shaft 1
(2) PTO Clutch Pack
(3) PTO Propeller Shaft 2
(4) PTO Shaft
(5) Pressure Plate

(6) Clutch Disc
(7) Drive Plate
(8) Clutch Piston
(9) Belleville Washer

(Cupped Spring Washer)

9Y1210236CLM0001US0

N2-M1

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(2) M9540Narrow (Cabin Model)

CLUTCH

As shown in the figure above, the PTO propeller
shaft 1 is splined to the spline hub and is always rotating
while the engine is running.

The PTO clutch pack has four clutch discs (6), four
drive plates (7), a belleville washer (cupped spring
washer) (9) and one pressure plate (5). The clutch piston
(8) actuated by hydraulic from PTO clutch valve, tightly
presses the clutch discs (6) and drive plates (7) toward
the pressure plate (5).

As a result, the rotation of the PTO propeller shaft 1
is transmitted to the PTO propeller shaft 2 (3) through the
PTO clutch pack (2).

The belleville washer (cupped spring washer) (9)
reduce the engaging shock. Thereby, the PTO clutch is
engaged very smoothly.

(1) PTO Propeller Shaft 1
(2) PTO Clutch Pack
(3) PTO Propeller Shaft 2
(4) PTO Shaft
(5) Pressure Plate

(6) Clutch Disc
(7) Drive Plate
(8) Clutch Piston
(9) Belleville Washer

(Cupped Spring Washer)

9Y1210236CLM0004US0

N2-M2

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[2] PTO CLUTCH OPERATION

CLUTCH

When the PTO switch (1) is set to the "B" position,

the PTO solenoid valve (3) is operated.

Then the oil flows to clutch pack through the PTO

solenoid valve (3). When the PTO switch is set to the "A"
position, the PTO solenoid valve (3) is not operated.

(1) PTO Switch
(2) Solenoid Valve Assembly
(3) PTO Solenoid Valve

A: Disengage
B: Engage

9Y1210236CLM0002US0

N2-M3

M8540Narrow, M9540Narrow, WSM

NOTE

KiSC issued 07, 2013 A

[3] PTO SOLENOID VALVE, RELIEF VALVE AND OIL FLOW

When the PTO switch is at the OFF position, the oil
flows is stopped by the PTO solenoid valve (3).

When the PTO switch is at ON position, the solenoid
valve (3) is operated and the oil flows through the PTO
solenoid valve (3) to the PTO clutch pack (5) to engage
it.

The relief valve (2) maintains the hydraulic system
pressure and supply the oil to lubricate the shuttle
section, synchro-mesh gears, PTO clutch pack and PTO
brake section.

• Hydraulic system pressure is a operating
pressure for the PTO clutch pack, 2WD-4WD
clutch pack and Bi-speed turn clutch pack.
(2.16 MPa, 22.0 kgf/cm

(1) Solenoid Valve Assembly
(2) Relief Valve
(3) PTO Solenoid Valve
(4) Connector
(5) PTO Clutch Pack
(6) 2WD-4WD Clutch Pack
(7) Bi-speed Turn Clutch Pack

2

, 313 psi)

(a) Check Port for PTO

Pressure
(b) PTO Port
(c) P Port
(d) Lubricating Port
(e) T Port

9Y1210236CLM0003US0

CLUTCH

N2-M4

SERVICING

KiSC issued 07, 2013 A

CONTENTS

1. SERVICING SPECIFICATIONS ............................................................................................... N2-S1

2. TIGHTENING TORQUES ......................................................................................................... N2-S2

3. CHECKING AND ADJUSTING ................................................................................................. N2-S3

[1] PTO CLUTCH..................................................................................................................... N2-S3

4. DISASSEMBLING AND ASSEMBLING ................................................................................... N2-S4

[1] SEPARATING CLUTCH HOUSING FROM TRANSMISSION CASE ................................ N2-S4

(1) Preparation ................................................................................................................... N2-S4

(2) ROPS Model................................................................................................................. N2-S5

(3) CABIN Model.............................................................................................................. N2-S10

(4) Separating Clutch Housing Case from Transmission Case ....................................... N2-S12

[2] REMOVING PTO CLUTCH PACK AND HOLDER........................................................... N2-S13

[3] REMOVING PTO CLUTCH VALVE ................................................................................. N2-S14

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

1. SERVICING SPECIFICATIONS

Item Factory Specification Allowable Limit

PTO Clutch

Condition

• Engine Speed :
Approx. 2600 min

• Oil temperature
45 to 55 °C
(113 to 131 °F)

−1

(rpm)

Operating
Pressure

2.16 to 2.26 MPa
22 to 23 kgf/cm

2

312.91 to 327.14 psi

CLUTCH

–

9Y1210236CLS0001US0

N2-S1

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

2. TIGHTENING TORQUES

Tightening torques of screws, bolts and nuts on the table below are especially specified.

(For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" at "NG.GENERAL" section.)

Item N·m kgf·m lbf·ft

Rear wheel mounting nut 260 to 304 26.5 to 31.0 191.8 to 224.2

Rear ROPS mounting screw (M16, 9T) 260 to 304 26.5 to 31.0 191.8 to 224.2

Brake pipe retaining nut 16.0 to 24.0 1.6 to 2.5 11.8 to 17.7

Transmission case and clutch housing mounting screw
(M10, 9T)

Transmission case and clutch housing mounting screw
and nut (M14, 9T)

PTO clutch holder mounting screw 23.5 to 27.4 2.4 to 2.8 17.4 to 20.3

60.8 to 70.5 6.2 to 7.2 44.9 to 52.1

166.7 to 196.1 17.0 to 20.0 123.0 to 144.6

9Y1210236CLS0002US0

N2-S2

M8540Narrow, M9540Narrow, WSM

IMPORTANT

NOTE

KiSC issued 07, 2013 A

3. CHECKING AND ADJUSTING

[1] PTO CLUTCH

PTO Clutch Operating Pressure

• Do not connect the universal joint of the implement to the
tractor PTO shaft while testing.

• Set the main shift lever and shuttle lever in Neutral
position.

• Set the parking brake lever in parking position.

1. Place the disassembling stand under the transmission case.

2. Remove the left rear wheel and left fender.

3. Place the disassembling stand under the left rear axle case.

4. Remove the plug (R1/8) (10) on the solenoid valve assembly
(5).

5. Assemble the adaptor (R1/8) (4), threaded joint (3), cable (1)
and pressure gauge (2).

6. Start the engine and set the engine speed to maximum.

7. Turn on the PTO switch and measure the oil pressure.

8. If only the pressure in the PTO clutch engaged position is low,
check the hydraulic PTO clutch system.

9. If the measurement is not within the factory specifications,
measure the system pressure, and adjust the system pressure
with relief valve (9) if necessary.

PTO pressure
(when PTO switch is
"ON" position)

PTO pressure
(when PTO switch is
"OFF" position)

Factory specification

Factory specification No pressure

2.16 to 2.26 MPa
22 to 23 kgf/cm

312.91 to 327.14 psi

CLUTCH

2

Condition

−1

• Engine speed: Approx. 2600 min

(rpm)

• Oil temperature: 45 to 55 °C (113 to 131 °F)

(Reference)

• Turn the adjusting screw after removed lock nuts (10) and (11).

• Turn the adjusting screw clockwise direction → Pressure
increase.

• Turn the adjusting screw counterclockwise direction →
Pressure decrease.

• Plug thread size: R1/8

(1) Cable
(2) Pressure Gauge
(3) Threaded Joint
(4) Adaptor
(5) Solenoid Valve Assembly

(6) Plug (System Pressure Check Port)
(7) Lock Nut
(8) Lock Nut
(9) Relief Valve (System Pressure)
(10) Plug (PTO Clutch Check Port)

9Y1210236CLS0003US0

N2-S3

M8540Narrow, M9540Narrow, WSM

IMPORTANT

IMPORTANT

KiSC issued 07, 2013 A

CLUTCH

4. DISASSEMBLING AND ASSEMBLING

[1] SEPARATING CLUTCH HOUSING FROM TRANSMISSION CASE

(1) Preparation

Bonnet (ROPS Model)

1. Open the bonnet (1) and disconnect the battery negative
terminal.

2. Disconnect the connector (2) for head lights.

3. Disconnect the damper (3) and (4).

4. Remove the bonnet (1).

(When reassembling)

• Be sure to assemble the damper (3) and (4) to the original
position and direction.

• When disconnecting the battery cables, disconnect the
grounding cable first. When connecting, positive cable
first.

(1) Bonnet
(2) Connector

(3) Damper (Shorter)
(4) Damper (Longer)

9Y1210236CLS0004US0

Bonnet (CABIN Model)

1. Open the bonnet (1) and disconnect the battery negative
terminal (2).

2. Disconnect the connector (4) for head lights.

3. Disconnect the dampers (3).

4. Remove the bonnet (1).

(When reassembling)

• Be sure to assemble the dampers (3) to the original direction.

• When disconnecting the battery cables, disconnect the
grounding cable first. When connecting, positive cable
first.

(1) Bonnet
(2) Battery Negative Terminal

(3) Damper
(4) Connector

9Y1210236CLS0005US0

Draining Fuel and Transmission Fluid

1. Refer to "3. CHECK AND MAINTENANCE" and "2.
LUBRICANTS, FUEL AND COOLANT" at "NG. GENERAL"
section.

9Y1210236CLS0006US0

N2-S4

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(2) ROPS Model

CLUTCH

Front Axle Rocking Restrictor

• Install the front axle rocking restrictor (1) (refer to "8. SPECIAL
TOOLS" at "NG. GENERAL" section) to the front axle bracket
on both sides.

(1) Front Axle Rocking Restrictor

9Y1210236CLS0007US0

Rear Wheel and Fenders

1. Make sure the transmission case and clutch housing case are
securely mounted on the disassembling stands.

2. Remove the rear wheels.

3. Remove the harness cover (1) and disconnect the connectors
(3) and (4).

4. Remove the hydraulic lever guide from fender R.H. and remove
the fenders (2).

(When reassembling)

• Assemble the hydraulic lever guide to original position.

260 to 304 N·m

Tightening torque Rear wheel mounting nut

26.5 to 31.0 kgf·m

191.8 to 224.2 lbf·ft

(1) Harness Cover
(2) Fender

(3) Connector
(4) Connector

Seat

1. Remove the seat (1) with seat stay (3).

2. Remove the rubber sheets (2) and (5).

3. Remove the rubber step (4).

(1) Seat
(2) Rubber Sheet
(3) Seat Stay

(4) Rubber Step
(5) Rubber Sheet

9Y1210236CLS0008US0

9Y1210236CLS0009US0

N2-S5

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

Rear ROPS

1. Disconnect the connectors for the trailer coupler, auxiliary
power socket, rear combination lamp R.H. and L.H..

2. Disconnect the breather hoses (2) and (3).

3. Disconnect the fuel hose (6) from the left lower fuel tank (7).

4. Disconnect the fuel breather hose (4) from T-joint.

5. Remove the rear ROPS (5) with fuel upper tank (1).

(When reassembling)

260 to 304 N·m

26.5 to 31.0 kgf·m

191.8 to 224.2 lbf·ft

Tightening torque

Rear ROPS mounting
screw (M16, 9T)

(1) Upper Fuel Tank
(2) Breather Hose
(3) Breather Hose
(4) Fuel Breather Hose

(5) Rear ROPS
(6) Fuel Hose
(7) Lower Fuel Tank L.H.

9Y1210236CLS0010US0

Seat Bracket

1. Remove the hydraulic remote valve wires (2) and (3).

2. Remove the lowering speed link rod (4).

3. Remove the remote control lever cover (1).

4. Remove the cover (5).

5. Remove the H-L shift rod (7).

6. Remove the ground PTO rod (12) and spring (13).

7. Remove the seat bracket (6).

(When reassembling)

• Adjust the remote valve wire.

• Be sure to assemble the ground PTO rod (12) to the hole (b).

(Lever Side)

1. Screw in the wire to the rod end fully.

2. Shift the control lever forward and fix the wire with lock nuts to
contact the control lever and stopper.

3. Fix the wire with retaining nut center of thread.

(Valve Side)

1. Pull the valve lever (9) to a full engage position.

2. Pull out the wire (3) fully, and fix the wire with retaining nuts (8)
to be a length "L" between wire end (11) and valve lever pin
(10) as shown photo.

(1) Remote Control Lever Cover
(2) Remote Valve Wire
(3) Remote Valve Wire
(4) Lowering Speed Link Rod
(5) Cover
(6) Seat Bracket
(7) H-L Shift Rod
(8) Retaining Nut
(9) Valve Lever

(10) Lever Pin
(11) Wire End
(12) Ground PTO Rod
(13) Spring

L: 0 to 3.0 mm (0 to 0.11 in.)
(a) Hole for CABIN Model
(b) Hole for ROPS Model

9Y1210236CLS0011US0

N2-S6

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

Shift Cover and Steps

1. Remove the main shift grip (1) and tilt lever grip (2).

2. Remove the shift cover (3).

3. Remove the step L.H. (4).

4. Remove the main shift wire (6) and select shift wire (5).

5. Remove the step R.H. (7), hand accelerator wire (9) and foot
accelerator wire (8) as shown photo.

(When reassembling)

• Assemble the main shift wire and select shift wire with retaining
nut center of thread.

(1) Main Shift Grip
(2) Tilt Lever Grip
(3) Shift Cover
(4) Step L.H.
(5) Select Shift Wire

(6) Main Shift Wire
(7) Step R.H.
(8) Foot Accelerator Wire
(9) Hand Accelerator Wire

9Y1210236CLS0012US0

Fuel Tank R.H., Brake Rod and Hydraulic Pipes

1. Remove the fuel hose cover (5) and disconnect the fuel hose (4)
from the lower fuel tank R.H. (1).

2. Disconnect the fuel breather hose (3) and fuel sensor connector
(2).

3. Disconnect the fuel hose (6), fuel return hose (7) and remove
the lower fuel tank R.H. (1).

(1) Lower Fuel Tank R.H.
(2) Connector (Fuel Sensor)
(3) Fuel Breather Hose
(4) Fuel Hose

(5) Fuel Hose Cover
(6) Fuel Hose
(7) Fuel Return Hose

9Y1210236CLS0013US0

N2-S7

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

Fuel Tank L.H.

1. Disconnect the fuel breather hose (1).

2. Remove the lower fuel tank (2).

(1) Fuel Breather Hose. (2) Lower Fuel Tank L.H.

9Y1210236CLS0014US0

Hydraulic Outlet Hose

1. Remove the hydraulic outlet hose (3) and (4) with hose support
(2).

2. Remove the rear differential lock rod (1).

(1) Rear Differential Lock Rod
(2) Hose Support

(3) Hydraulic Outlet Hose
(4) Hydraulic Outlet Hose

9Y1210236CLS0015US0

Parking Brake

1. Disconnect the connector (1) for parking brake switch.

2. Loosen the wire cable retaining nut (3).

3. Remove the mounting screw for parking brake lever (2).

4. Remove the parking cable support (5) as shown photo.

5. Disconnect the brake cables (7) and (8) from the stabilizer plate
(6).

(When reassembling)

• Adjust the parking brake lever free play. (Refer to the "N5.
BRAKE" section.)

(1) Connector
(2) Parking Brake Lever
(3) Retaining Nut
(4) Parking Brake Lever Wire

(5) Cable Support
(6) Stabilizer Plate
(7) Brake Cable R.H.
(8) Brake Cable L.H.

9Y1210236CLS0016US0

N2-S8

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

Wire Harness

1. Remove the ground cable screw (1).

2. Disconnect the connector (2) from solenoid assembly.

3. Disconnect the breather hose (3).

(1) Screw
(2) Connector

(3) Breather Hose

9Y1210236CLS0017US0

Panel Board

1. Remove the steering post cover (3) and panel board (2).

2. Remove the rubber sheet (4) and shield (1) both side.

(1) Shield
(2) Panel Board

(3) Steering Post Cover
(4) Panel Board

9Y1210236CLS0018US0

Hydraulic Pipe and Brake Hose

1. Remove the hydraulic pipes (1) and (2).

2. Disconnect the hydraulic brake pipes (3) and (4).

(When reassembling)

• Be sure to bleed the air from hydraulic brake system. (Refer to
the "5. BRAKE" section.)

16.0 to 24.0 N·m

Tightening torque Brake pipe retaining nut

1.6 to 2.5 kgf·m

11.8 to 17.7 lbf·ft

(1) Hydraulic Pipe
(2) Hydraulic Pipe

(3) Brake Pipe
(4) Brake Pipe

9Y1210236CLS0019US0

N2-S9

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(3) CABIN Model

CLUTCH

Rear Wheel (Wheel Model)

1. Set the disassembling stand under the transmission case
secure.

2. Remove the both rear wheels (1).

(When reassembling)

Tightening torque Rear wheel mounting nut

(1) Rear Wheel

260 to 304 N·m

26.5 to 31.0 kgf·m

191.8 to 224.2 lbf·ft

9Y1210236CLS0020US0

Removing Compressor and Condenser

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0021US0

Heater Hose, Accelerator Wire, Bonnet Support and Steering
Joint Shaft

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0022US0

Floor Mat and Panel Cover

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0023US0

Brake Rod (Parking)

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0024US0

Removing Control Rods and Brake Hoses

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0025US0

Auxiliary Control Valve Cable and Ground Cable

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0026US0

Brake Rod (L.H.), Shuttle Cable and Clutch Cable

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0027US0

Cabin Assembly

1. Refer to "[2] DISASSEMBLING AND ASSEMBLING" at "N10.
CABIN" section.

9Y1210236CLS0028US0

N2-S10

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

CLUTCH

Fuel Tank L.H., Brake Rod and Hydraulic Pipes

1. Remove the fuel hose cover (5) and disconnect the fuel hose (4)
from the lower fuel tank R.H..

2. Remove the protector (6), parking brake rod R.H. (7) and rear
differential lock rod (1).

3. Disconnect the fuel breather hose (2) and fuel sensor connector
(3).

4. Disconnect the fuel breather hose (8) and remove the fuel tank
L.H. (9).

5. Remove the PTO wire and disconnect the traveling speed
sensor connector (10).

6. Remove the parking brake rod L.H. (11).

7. Remove the hydraulic pipe (solenoid valve assembly) (12).

(When reassembling)

• Be sure to assemble the ground harness (13).

(1) Rear Differential Lock Rod
(2) Fuel Breather Hose
(3) Connector (Fuel Sensor)
(4) Fuel Hose
(5) Fuel Hose Cover
(6) Protector
(7) Parking Brake Rod R.H.

(8) Fuel Breather Hose
(9) Lower Fuel Tank L.H.
(10) Connector

(Traveling Speed Sensor)
(11) Parking Brake Rod L.H.
(12) Hydraulic Pipe

(Solenoid Valve Assembly)
(13) Ground Harness

9Y1210236CLS0029US0

N2-S11

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

(4) Separating Clutch Housing Case from Transmission Case

Separating Transmission Case

1. Make sure the clutch housing case and transmission case are
securely mounted on the disassembling stands.

2. Remove the transmission case mounting screws and nuts.

3. Separate the transmission case from the clutch housing.

(When reassembling)

• Apply liquid gasket (Three Bond 1206C or equivalent) to joint
face of transmission case and clutch housing case.

Transmission case and
clutch housing mounting

Tightening torque

screw (M10, 9T)

Transmission case and
clutch housing mounting
screw, nut (M14, 9T)

CLUTCH

60.8 to 70.5 N·m

6.2 to 7.2 kgf·m

44.9 to 52.1 lbf·ft

166.7 to 196.1 N·m

17.0 to 20.0 kgf·m

123.0 to 144.6 lbf·ft

9Y1210236CLS0030US0

N2-S12

M8540Narrow, M9540Narrow, WSM

IMPORTANT

KiSC issued 07, 2013 A

[2] REMOVING PTO CLUTCH PACK AND HOLDER

Removing Solenoid Valve Assembly

1. Prepare a can for hydraulic pipes.

2. Remove the hydraulic pipe (2WD) (1).

3. Remove the hydraulic pipe (4WD) (2).

4. Remove the hydraulic pipe (Bi-speed turn) (3).

5. Remove the hydraulic pipe (Delivery) (6).

6. Remove the solenoid valve assembly (5).

(When reassembling)

• Apply transmission fluid to hydraulic pipes (PTO) (7).

• Remove the two hydraulic pipes from the PTO clutch holder.

• Insert both the hydraulic pipes into the solenoid valve assembly
holes.

• Replace the hydraulic pipes with new one.

(1) Hydraulic Pipe (2WD)
(2) Hydraulic Pipe (4WD)
(3) Hydraulic Pipe (Bi-speed Turn)
(4) Connector

(5) Solenoid Valve Assembly
(6) Hydraulic Pipe (Delivery)
(7) Hydraulic Pipe (PTO)

CLUTCH

9Y1210236CLS0031US0

Removing PTO Clutch Pack and Holder

1. Draw out the pin (2) with sliding hammer (3).

2. Take out the hydraulic pump drive gear (1).

3. Remove the PTO clutch holder mounting screws.

4. Remove the PTO clutch (4) with holder (5).

(When reassembling)

• Take care not to damage the hydraulic pipes.

23.5 to 27.4 N·m

2.4 to 2.8 kgf·m

17.4 to 20.3 lbf·ft

Tightening torque

PTO clutch holder
mounting screw

• After assembling the PTO clutch assembly, be sure to
check the piston operation by air-pressure.

(1) Gear
(2) Pin
(3) Sliding Hammer

(4) PTO Clutch
(5) Holder

9Y1210236CLS0032US0

N2-S13

M8540Narrow, M9540Narrow, WSM

KiSC issued 07, 2013 A

[3] REMOVING PTO CLUTCH VALVE

Rear Wheel (L.H.)

1. Place the disassembling stand under the transmission case.

2. Remove the rear wheel (1) (L.H.).

3. Remove the harness cover and disconnect the connectors.

(When reassembling)

Tightening torque Rear wheel mounting nut

(1) Rear Wheel

Removing Solenoid Valve Assembly

1. Prepare a can for hydraulic pipes.

2. Remove the hydraulic pipe (2WD) (1).

3. Remove the hydraulic pipe (4WD) (2).

4. Remove the hydraulic pipe (Bi-speed turn) (3).

5. Remove the hydraulic pipe (Delivery) (6).

6. Remove the solenoid valve assembly (5).

(When reassembling)

• Apply transmission fluid to hydraulic pipes (PTO) (7).

• Remove the two hydraulic pipes from the PTO clutch holder.

• Insert both the hydraulic pipes into the solenoid valve assembly
holes.

• Replace the hydraulic pipes with new one.

(1) Hydraulic Pipe (2WD)
(2) Hydraulic Pipe (4WD)
(3) Hydraulic Pipe (Bi-speed Turn)
(4) Connector

CLUTCH

260 to 304 N·m

26.5 to 31.0 kgf·m

191.8 to 224.2 lbf·ft

9Y1210236CLS0033US0

(5) Solenoid Valve Assembly
(6) Hydraulic Pipe (Delivery)
(7) Hydraulic Pipe (PTO)

9Y1210236CLS0034US0

N2-S14

N3 TRANSMISSION

KiSC issued 07, 2013 A

MECHANISM

KiSC issued 07, 2013 A

CONTENTS

1. STRUCTURE............................................................................................................................N3-M1

[1] F15/R15 SPEED TRANSMISSION (WITH CREEP SYSTEM)...........................................N3-M1

[2] LIVE PTO-GROUND PTO MODEL (ITA MODEL) .............................................................N3-M2

2. POWER TRAIN FOR TRAVELING GEAR ...............................................................................N3-M3

[1] BI-SPEED TURN SYSTEM ................................................................................................N3-M3

(1) 2WD-4WD-Bi-speed Turn.............................................................................................N3-M3

(2) Solenoid Valve..............................................................................................................N3-M5

(3) 4WD / Bi-speed Turn Oil Flow ......................................................................................N3-M6

3. POWER TRAIN FOR PTO SYSTEM........................................................................................N3-M7

[1] GROUND PTO AND LIVE PTO SECTION (ITA MODEL)..................................................N3-M7