Kubota B2320, B2620, B2920 Operators Manual
U.S.A. :KUBOTATRACTORCORPORATION
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KUBOTACorporation
ABBREVIATION LIST
Abbreviations Definitions
2WD
4WD
API
ASABE
ASTM
DIN
DT
fpm
GST
Hi-Lo
HST
m/s
PTO
RH/LH
ROPS
rpm
Two Wheel Drive
Four Wheel Drive
American Petroleum Institute
American Society of Agricultural and Biological Engineers, USA
American Society of Testing and Materials, USA
Deutsches Institut für Normung, GERMANY
Dual Traction [4WD]
Feet Per Minute
Glide Shift Transmission
High Speed-Low Speed
Hydrostatic Transmission
Meters Per Second
Power Take Off
Right-hand and left-hand sides are determined by facing in
the direction of forward travel
Roll-Over Protective Structures
Revolutions Per Minute
r/s
SAE
SMV
Revolutions Per Second
Society of Automotive Engineers, USA
Slow Moving Vehicle
California Proposition 65
WARNING
Engine exhaust, some of its constituents,
certain vehicle components and fluids,
contain or emit chemicals known to the
State of California to cause cancer and birth
defects or other reproductive harm.
IMPORTANT
The engine in this machine is not equipped by the manufacturer
with a standard spark arrester.
It is a violation of California Public Resource Code Section 4442 to
use or operate this engine on or near any forest-covered, brushcovered land, or grass- covered land unless the exhaust system is
equipped with a working spark arrester meeting state laws. Other
states or federal areas may have similar laws.
UNIVERSAL SYMBOLS
As a guide to the operation of your tractor, various universal symbols have been utilized on the instruments and
controls. The symbols are shown below with an indication of their meaning.
Safety Alert Symbol
Diesel Fuel
Fuel-Level
Engine-Rotation Speed
Hourmeter/Elapsed Operating Hours
Engine Coolant-Temperature
Parking Brake
Battery Charging Condition
Engine Oil-Pressure
Turn Signal
Engine-Stop
OFF
Engine-Run
Diesel Preheat/Glow Plugs (Low Temperature
Start Aid)
Starter Control
Power Take-Off Control-Off Position (Disengaged)
Draft Control-Shallow Position
Draft Control-Deep Position
3-Point Lowering Speed Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Hazard Warning Lights
Master Lighting Switch
Headlight
Four-Wheel Drive-On
Four-Wheel Drive-Off
Fast
Slow
Read Operator's Manual
Tractor-Forward Movement-Overhead View of
Machine
Tractor-Rearward Movement-Overhead View
of Machine
Engine Speed Control
Power Take-Off Control-On Position (Engaged)
Differential Lock
Position Control-Raised Position
Position Control-Lowered Position
CONTENTS
SAFE OPERATION ............................................................................................. -1
SERVICING OF TRACTOR......................................................................................... 1
SPECIFICATIONS....................................................................................................... 2
SPECIFICATION TABLE ......................................................................................... 2
TRAVELING SPEEDS ............................................................................................. 4
IMPLEMENT LIMITATIONS ........................................................................................ 5
INSTRUMENT PANEL AND CONTROLS................................................................... 7
PRE-OPERATION CHECK ....................................................................................... 11
DAILY CHECK ....................................................................................................... 11
OPERATING THE ENGINE....................................................................................... 12
STARTING THE ENGINE ...................................................................................... 12
Block Heater (Option) .....................................................................................................15
STOPPING THE ENGINE...................................................................................... 15
WARMING UP ....................................................................................................... 15
Warm-up Transmission Oil at Low Ambient Temperatures............................................ 15
JUMP STARTING .................................................................................................. 16
OPERATING THE TRACTOR ................................................................................... 17
OPERATING NEW TRACTOR .............................................................................. 17
Do not Operate the Tractor at Full Speed for the First 50 Hours.................................... 17
Changing Lubricating Oil for New Tractors..................................................................... 17
OPERATING FOLDABLE ROPS ........................................................................... 17
To Fold the ROPS ..........................................................................................................17
To Raise the ROPS to Upright Position.......................................................................... 18
Adjustment of Foldable ROPS........................................................................................ 19
STARTING ............................................................................................................. 19
Operator's Seat...............................................................................................................19
Seat Belt .........................................................................................................................20
Head Light / Turn Signal / Hazard Light Switch..............................................................20
Brake Pedals (Right and Left).........................................................................................21
Clutch Pedal ...................................................................................................................21
Range Gear Shift Lever (L-M-H) [HST Type] ................................................................. 22
Main Gear Shift Lever & Range Gear Shift Lever (L-M-H) [Manual Transmission Type]
........................................................................................................................................22
Front Wheel Drive Lever.................................................................................................23
Hand Throttle Lever........................................................................................................23
Foot Throttle [Manual Transmission Type] .....................................................................23
Parking Brake .................................................................................................................24
Speed Control Pedal.......................................................................................................24
Speed Set Device...........................................................................................................25
STOPPING............................................................................................................. 25
Stopping..........................................................................................................................25
CHECK DURING DRIVING ................................................................................... 25
Immediately Stop the Engine if:......................................................................................25
CONTENTS
Easy Checker (TM)......................................................................................................... 25
Fuel Gauge.....................................................................................................................26
Coolant Temperature Gauge..........................................................................................26
Hourmeter / Tachometer.................................................................................................26
PARKING ............................................................................................................... 27
Parking Brake .................................................................................................................27
OPERATING TECHNIQUES ................................................................................. 27
Differential Lock..............................................................................................................27
Operating the Tractor on a Road....................................................................................28
Operating on Slopes or Rough Terrain...........................................................................28
Directions for Use of Power Steering..............................................................................28
PTO ........................................................................................................................... 29
PTO OPERATION.................................................................................................. 29
PTO Gear Shift Lever .....................................................................................................29
PTO shaft Cover and Shaft Cap.....................................................................................30
Stationary PTO ...............................................................................................................30
THREE-POINT HITCH & DRAWBAR........................................................................ 31
3-POINT HITCH ..................................................................................................... 32
Selecting the holes of lifting rods and lower links ...........................................................32
Selecting the Top Link Mounting Holes ..........................................................................32
Drawbar ..........................................................................................................................32
Lifting Rod (Right)........................................................................................................... 32
Top Link..........................................................................................................................32
Check Chains .................................................................................................................33
DRAWBAR............................................................................................................. 33
Adjusting Drawbar Length ..............................................................................................33
HYDRAULIC UNIT..................................................................................................... 34
3-POINT HITCH CONTROL SYSTEM................................................................... 34
Hydraulic Control ............................................................................................................34
Position Control ..............................................................................................................34
Implement Lowering Limit............................................................................................... 35
3-point Hitch Lowering Speed.........................................................................................35
AUXILIARY HYDRAULICS .................................................................................... 35
Hydraulic Block Type Outlet ...........................................................................................35
DUAL REMOTE HYDRAULIC CONTROL SYSTEM (if equipped) ........................ 37
Control Lever and Hydraulic Hose Connections............................................................. 37
Loader / Remote Control Valve Lever ............................................................................37
Valve Lock ......................................................................................................................38
Hydraulic Control Unit Use Reference Chart..................................................................39
TIRES, WHEELS AND BALLAST.............................................................................. 40
TIRES..................................................................................................................... 40
Inflation Pressure............................................................................................................40
Dual Tires .......................................................................................................................40
WHEEL ADJUSTMENT ......................................................................................... 40
Front Wheels ..................................................................................................................40
Rear Wheels...................................................................................................................42
BALLAST ............................................................................................................... 44
Front Ballast.................................................................................................................... 44
Rear Ballast ....................................................................................................................45
CONTENTS
MAINTENANCE......................................................................................................... 46
SERVICE INTERVALS .......................................................................................... 46
LUBRICANTS, FUEL AND COOLANT .................................................................. 47
PERIODIC SERVICE................................................................................................. 50
HOW TO OPEN THE HOOD ................................................................................. 50
Hood ............................................................................................................................... 50
Front Grille......................................................................................................................50
Engine Side Cover.......................................................................................................... 51
DAILY CHECK ....................................................................................................... 51
Walk Around Inspection.................................................................................................. 51
Checking and Refueling..................................................................................................52
Checking Engine Oil Level..............................................................................................52
Checking Transmission Fluid Level................................................................................53
Checking Coolant Level.................................................................................................. 53
Cleaning Grill and Radiator Screen ................................................................................54
Checking Brake Pedals and Clutch Pedal......................................................................54
Checking Gauges, Meter and Easy Checker(TM) .......................................................... 54
Checking Head Light, Hazard Light etc. .........................................................................54
Checking Seat Belt and ROPS.......................................................................................54
Checking and Cleaning of Electrical Wiring and Battery Cables .................................... 55
Checking Movable Parts................................................................................................. 55
EVERY 50 HOURS ................................................................................................ 55
Lubricating Grease Fittings............................................................................................. 55
Checking Engine Start System.......................................................................................56
Checking Wheel Bolt Torque..........................................................................................57
EVERY 100 HOURS .............................................................................................. 58
Battery ............................................................................................................................ 58
Cleaning Air Cleaner Primary Element ........................................................................... 59
Cleaning Fuel Filter.........................................................................................................60
Adjusting Fan Belt Tension............................................................................................. 60
Adjusting Clutch Pedal....................................................................................................61
Adjusting Brake Pedal ....................................................................................................61
Checking Fuel Line.........................................................................................................62
EVERY 200 HOURS .............................................................................................. 62
Replacing Engine Oil Filter .............................................................................................62
Changing Engine Oil....................................................................................................... 63
Replacing Transmission Oil Filter [HST Type]................................................................ 64
Checking Radiator Hose and Clamp ..............................................................................65
Checking Intake Air Line................................................................................................. 65
EVERY 400 HOURS .............................................................................................. 65
Adjusting Front Axle Pivot [4WD]....................................................................................65
Changing Transmission Fluid / Replacing Hydraulic Oil Filter........................................ 66
Replacing Fuel Filter Element.........................................................................................67
Changing Front Axle Case Oil ........................................................................................67
EVERY 800 HOURS .............................................................................................. 67
Adjusting Engine Valve Clearance .................................................................................67
EVERY 1500 HOURS ............................................................................................ 67
Checking Fuel Injection Nozzle Injection Pressure.........................................................67
EVERY 3000 HOURS ............................................................................................ 67
Checking Injection Pump................................................................................................67
EVERY 1 YEAR ..................................................................................................... 67
CONTENTS
Replacing Air Cleaner Primary Element and Secondary Element.................................. 67
EVERY 2 YEARS................................................................................................... 68
Flushing Cooling System and Changing Coolant ...........................................................68
Anti-Freeze .....................................................................................................................68
Replacing Radiator Hose (Water pipes) .........................................................................69
Replacing Fuel Lines ......................................................................................................69
Replacing Intake Air Line................................................................................................ 69
SERVICE AS REQUIRED...................................................................................... 69
Bleeding Fuel System..................................................................................................... 69
Draining Clutch Housing Water ......................................................................................69
Replacing Fuse...............................................................................................................70
Replacing Light Bulb.......................................................................................................70
STORAGE ................................................................................................................. 71
TRACTOR STORAGE ........................................................................................... 71
REMOVING THE TRACTOR FROM STORAGE................................................... 71
TROUBLESHOOTING............................................................................................... 72
ENGINE TROUBLESHOOTING ............................................................................ 72
OPTIONS................................................................................................................... 73
APPENDICES............................................................................................................ 74
INDEX .................................................................................................................... 74
SAFE OPERATION
Careful operation is your best insurance against an
accident.
Read and understand this manual carefully before
operating the tractor.
All operators, no matter how much experience they may
have, should read this and other related manuals before
operating the tractor or any implement attached to it. It is
the owner's obligation to instruct all operators in safe
operation.
1. BEFORE OPERATING THE TRACTOR
1. Know your equipment and its limitations. Read this
entire manual before attempting to start and operate
the tractor.
2. Pay special attention to the danger, warning and
caution labels on the tractor.
3. KUBOTA recommends the use of a CAB or Roll Over
Protective Structures (ROPS) and seat belt in almost
all applications. This combination will reduce the risk
of serious injury or death, should the tractor be upset.
If the tractor is equipped with a foldable ROPS it may
be temporarily folded down only when absolutely
necessary for areas with height constraints.
(There is no operator protection provided by the ROPS
in the folded position. For operator safety the ROPS
should be placed in the upright and locked position
and the seat belt fastened for all other operations.)
If the CAB or ROPS is loosened or removed for any
reason, make sure that all parts are reinstalled
correctly before operating the tractor.
Never modify or repair a ROPS because welding,
bending, drilling, grinding, or cutting may weaken the
structure.
A damaged CAB or ROPS structure must be replaced,
not repaired or revised.
If any structural member of the CAB or ROPS is
damaged, replace the entire structure at your local
KUBOTA Dealer.
-1SAFE OPERATION
(1) ROPS
(2) Seat belt
4. Always use the seat belt if the tractor has a CAB or
ROPS.
Do not use the seat belt if a foldable ROPS is down or
there is no ROPS. Check the seat belt regularly and
replace if frayed or damaged.
5. Do not operate the tractor or any implement attached
to it while under the influence of alcohol, medication,
controlled substances or while fatigued.
6. Carefully check the vicinity before operating tractor or
any implement attached to it. Check for overhead
clearance which may interfere with a CAB or ROPS.
Do not allow any bystanders around or near tractor
during operation.
7. Before allowing other people to use your tractor,
explain how to operate and have them read this
manual before operation.
8. Never wear loose, torn, or bulky clothing around
tractor. It may catch on moving parts or controls,
leading to the risk of an accident. Use additional safety
items, e.g. hard hat, safety boots or shoes, eye and
hearing protection, gloves, etc., as appropriate or
required.
9. Do not allow passengers to ride on any part of the
tractor at anytime. The operator must remain in the
tractor seat during operation.
10.Check brakes, clutch, linkage pins and other
mechanical parts for improper adjustment and wear.
Replace worn or damaged parts promptly. Check the
tightness of all nuts and bolts regularly. (For further
details, see "MAINTENANCE" section.)
11.Keep your tractor clean. Dirt, grease, and trash build
up may contribute to fires and lead to personal injury.
12.Use only implements meeting the specifications listed
under "IMPLEMENT LIMITATIONS" in this manual or
implements approved by KUBOTA.
SAFE OPERATION-2
13.Use proper weights on the front or rear of the tractor to
reduce the risk of upsets. When using the front loader,
put an implement or ballast on the 3-point hitch to
improve stability. Follow the safe operating
procedures specified in the implement or attachment
manual.
14. The narrower the tread, the greater the risk of a tractor
upset. For maximum stability, adjust the wheels to the
widest practical tread width for your application. (See
"TIRES, WHEELS AND BALLAST" section.)
(1) Rear wheels (A) Tread Width
3. Do not start engine by shorting across starter
terminals or bypassing the safety start switch.
Machine may start in gear and move if normal starting
circuitry is bypassed.
4. Do not operate or idle engine in a non-ventilated area.
Carbon monoxide gas is colorless, odorless, and
deadly.
5. Check before each use that operator presence
controls are functioning correctly. Test safety systems.
(See "Checking Engine Start System" in "EVERY 50
HOURS" in "PERIODIC SERVICE" section.)
Do not operate unless they are functioning correctly.
C Working
1. Pull only from the drawbar. Never hitch to axle housing
or any other point except drawbar; such arrangements
will increase the risk of serious personal injury or death
due to a tractor upset.
15.Do not modify the tractor. Unauthorized modification
may affect the function of the tractor, which may result
in personal injury.
2. OPERATING THE TRACTOR
Operator safety is a priority. Safe operation, specifically
with respect to overturning hazards, entails understanding
the equipment and environmental conditions at the time of
use. Some prohibited uses which can affect overturning
hazards include traveling and turning with implements
and loads carried too high etc. This manual sets forth
some of the obvious risks, but the list is not, and cannot
be, exhaustive. It is the operator's responsibility to be alert
for any equipment or environmental condition that could
compromise safe operation.
C Starting
1. Always sit in the operator's seat when starting engine
or operating levers or controls. Adjust seat per
instructions in the operating the tractor section. Never
start engine while standing on the ground.
2. Before starting the engine, make sure that all levers
(including auxiliary control levers) are in their neutral
positions, that the parking brake is engaged, and that
both the clutch and the Power Take-Off (PTO) are
disengaged or "OFF".
Fasten the seat belt if the tractor has a CAB, a fixed
ROPS or a foldable ROPS in the upright and locked
position.
(1) Drawbar
2. Keep all shields and guards in place. Replace any that
are missing or damaged.
3. Avoid sudden starts. To avoid upsets, slow down
when turning, on uneven ground, and before stopping.
4. The tractor cannot turn with the differential locked and
attempting to do so could be dangerous.
5. Do not operate near ditches, holes, embankments, or
other ground surface features which may collapse
under the tractor's weight. The risk of tractor upset is
even higher when the ground is loose or wet. Tall
grass can hide obstacles, walk the area first to be sure.
6. Watch where you are going at all times. Watch for and
avoid obstacles. Be alert at row ends, near trees, and
other obstructions.
7. When working in groups, always let the others know
what you are going to do before you do it.
8. Never try to get on or off a moving tractor.
9. Do not stand between tractor and implement or trailed
vehicle unless parking brake is applied.
-3SAFE OPERATION
C Safety for children
Tragedy can occur if the operator is not alert to the
presence of children. Children generally are attracted to
machines and the work they do.
1. Never assume that children will remain where you last
saw them.
2. Keep children out of the work area and under the
watchful eye of another responsible adult.
3. Be alert and shut your machine down if children enter
the work area.
4. Never carry children on your machine. There is no safe
place for them to ride. They may fall off and be run
over or interfere with your control of the machine.
5. Never allow children to operate the machine even
under adult supervision.
6. Never allow children to play on the machine or on the
implement.
7. Use extra caution when backing up. Look behind and
down to make sure area is clear before moving.
8. When parking your machine if at all possible park on a
firm, flat and level surface; if not, park across a slope.
Set the parking brake(s), lower the implements to the
ground, remove the key from the ignition and lock the
cab door (if equipped) and chock the wheels.
C Operating on slopes
Slopes are a major factor related to loss-of-control and tipover accidents, which can result in severe injury or death.
All slopes require extra caution.
1. To avoid upsets, always back up steep slopes. If you
cannot back up the slope or if you feel uneasy on it, do
not operate on it. Stay off slopes too steep for safe
operation.
2. Driving forward out of a ditch, mired condition or up a
steep slope increases the risk of a tractor to be upset
backward. Always back out of these situations. Extra
caution is required with four-wheel drive models
because their increased traction can give the operator
false confidence in the tractor's ability to climb slopes.
3. Keep all movement on slopes slow and gradual. Do
not make sudden changes in speed, direction or apply
brake and make sudden motions of the steering
wheel.
4. Avoid disengaging the clutch or changing gears speed
when climbing or going down a slope. If on a slope
disengaging the clutch or changing gears to neutral
could cause loss of control.
5. Special attention should be made to the weight and
location of implements and loads as such will affect the
stability of the tractor.
6. To improve stability on slope, set widest wheel tread
as shown in "TIRES, WHEELS AND BALLAST"
section.
Follow recommendations for proper ballasting.
C Driving the tractor on the road
1. Lock the two brake pedals together to help assure
straight-line stops. Uneven braking at road speeds
could cause the tractor to tip over.
(1) Brake Pedal (LH)
(2) Brake Pedal (RH)
(3) Brake Pedal Lock
(A) Whenever travelling on the road
2. Check the front wheel engagement. The braking
characteristics are different between two and four
wheel drive. Be aware of the difference and use
carefully.
3. Always slow the tractor down before turning. Turning
at high speed may tip the tractor over.
4. Make sure that the Slow Moving Vehicle (SMV) sign is
clean and visible. Use hazard lights and turn signals as
required.
(1) SMV emblem
(2) Bracket
5. Observe all local traffic and safety regulations.
6. Turn the headlights on.
7. Drive at speeds that allow you to maintain control at all
times.
8. Do not apply the differential lock while traveling at road
speeds. The tractor may run out of control.
9. Avoid sudden motions of the steering wheel as they
can lead to a dangerous loss of stability. The risk is
especially great when the tractor is traveling at road
speeds.
SAFE OPERATION-4
10.Do not operate an implement while the tractor is on the
road. Lock the 3-point hitch in the raised position.
11.When towing other equipment, use a safety chain and
place an SMV emblem on it as well.
(1) Safety chain
4. OPERATING THE PTO
1. Wait until all moving components have completely
stopped before getting off the tractor, connecting,
disconnecting, adjusting, cleaning, or servicing any
PTO driven equipment.
2. Keep the PTO shaft cover in place at all times.
Replace the PTO shaft cap when the shaft is not in
use.
3. PARKING THE TRACTOR
1. Disengage the PTO, lower all implements to the
ground, place all control levers in their neutral
positions, set the parking brake, stop the engine, and
remove the key.
2. Make sure that the tractor has come to a complete
stop before dismounting.
3. Avoid parking on steep slopes, if at all possible park on
a firm and level surface; if not, park across a slope with
chock the wheels.
Failure to comply with this warning may allow the
tractor to move and could cause injury or death.
(1) PTO Shaft cover
(2) PTO Shaft cap
3. Before installing or using PTO driven equipment, read
the manufacturer's manual and review the safety
labels attached to the equipment.
4. When operating stationary PTO driven equipment,
always apply the tractor parking brake and place
chocks behind and in front of the rear wheels. Stay
clear of all rotating parts. Never step over rotating
parts.
(A) "NORMAL POSITION"
(B) "RAISED POSITION"
5. USING 3-POINT HITCH
1. Use the 3-point hitch only with equipment designed for
3-point hitch usage.
2. When using a 3-point hitch mounted implement, be
sure to install the proper counterbalance weight on the
front of the tractor.
3. When transporting on the road, set the implement
lowering speed knob in the "LOCK" position to hold the
implement in the raised position.
-5SAFE OPERATION
7. Disconnect the battery's ground cable before working
on or near electric components.
8. To avoid the possibility of battery explosion, do not use
or charge the refillable type battery if the fluid level is
below the LOWER ( lower limit level ) mark. Check the
fluid level regularly and add distilled water as required
so that the fluid level is between the UPPER and
LOWER levels.
9. To avoid sparks from an accidental short circuit,
always disconnect the battery's ground cable (-) first
and reconnect it last.
(1) 3-point hitch lowering speed knob (A) "FAST"
(B) "SLOW"
(C) "LOCK"
6. SERVICING THE TRACTOR
Before servicing the tractor, park it on a firm, flat and level
surface, set the parking brake, lower all implements to the
ground, place the gear shift lever in neutral, stop the
engine and remove the key.
1. Allow the tractor time to cool off before working on or
near the engine, muffler, radiator, etc.
2. Do not remove radiator cap while coolant is hot. When
cool, slowly rotate cap to the first stop and allow
sufficient time for excess pressure to escape before
removing the cap completely. If the tractor has a
coolant recovery tank, add coolant or water to the tank,
not the radiator. (See "Checking Coolant Level" in
"DAILY CHECK" in "PERIODIC SERVICE" section.)
3. Always stop the engine before refueling. Avoid spills
and overfilling.
4. Do not smoke when working around battery or when
refueling. Keep all sparks and flames away from
battery and fuel tank. The battery presents an
explosive hazard, because it gives off hydrogen and
oxygen especially when recharging.
5. Before "jump starting" a dead battery, read and follow
all of the instructions. (See "JUMP STARTING" in
"OPERATING THE ENGINE" section.)
6. Keep first aid kit and fire extinguisher handy at all
times.
(1) Battery
10.Do not attempt to mount a tire on a rim. This should be
done by a qualified person with the proper equipment.
11.Always maintain the correct tire pressure. Do not
inflate tires above the recommended pressure shown
in the operator's manual.
12.Securely support the tractor when either changing
wheels or adjusting the wheel tread width.
13.Make sure that wheel bolts have been tightened to the
specified torque.
14.Do not work under any hydraulically supported
devices. They can settle, suddenly leak down, or be
accidentally lowered. If it is necessary to work under
tractor or any machine elements for servicing or
adjustment, securely support them with stands or
suitable blocking beforehand.
SAFE OPERATION-6
15.Escaping hydraulic fluid under pressure has sufficient
force to penetrate skin, causing serious personal
injury. Before disconnecting hydraulic lines, be sure to
release all residual pressure. Before applying
pressure to the hydraulic system, make sure that all
connections are tight and that all lines, pipes, and
hoses are free of damage.
16.Fluid escaping from pinholes may be invisible. Do not
use hands to search for suspected leaks; use a piece
of cardboard or wood. Use of safety goggles or other
eye protection is also highly recommended. If injured
by escaping fluid, see a medical doctor at once. This
fluid will produce gangrene or severe allergic reaction.
(1) Cardboard
(2) Hydraulic line
(3) Magnifying glass
7. DANGER, WARNING AND CAUTION LABELS
-7SAFE OPERATION
SAFE OPERATION-8
-9SAFE OPERATION
8. CARE OF DANGER, WARNING AND CAUTION LABELS
1. Keep danger, warning and caution labels clean and free from obstructing material.
2. Clean danger, warning and caution labels with soap and water, dry with a soft cloth.
3. Replace damaged or missing danger, warning and caution labels with new labels from your local KUBOTA Dealer.
4. If a component with danger, warning and caution label(s) affixed is replaced with new part, make sure new label(s) is
(are) attached in the same location(s) as the replaced component.
5. Mount new danger, warning and caution labels by applying on a clean dry surface and pressing any bubbles to outside
edge.
SERVICING OF TRACTOR
Your dealer is interested in your new tractor and has the
desire to help you get the most value from it. After reading
this manual thoroughly, you will find that you can do some
of the regular maintenance yourself.
However, when in need of parts or major service, be sure
to see your KUBOTA Dealer.
For service, contact the KUBOTA Dealership from which
you purchased your tractor or your local KUBOTA Dealer.
When in need of parts, be prepared to give your dealer
both the tractor and engine serial numbers.
Locate the serial numbers now and record them in the
space provided.
1SERVICING OF TRACTOR
Type Serial No.
Tractor
Engine
Date of Purchase
Name of Dealer
(To be filled in by purchaser)
(1) Tractor identification plate
(2) Tractor serial number
(1) Engine serial number
(1) ROPS identification plate
(ROPS serial No.)
2 SPECIFICATIONS
SPECIFICATIONS
SPECIFICATION TABLE
Model B2320DTN-1 B2320DT B2320HSDN B2320HSD B2620HSD B2920HSD
PTO power* kW (HP) 13.4 (18.0) 12.7 (17.0) 14.2 (19.0) 15.7 (21.0)
Maker KUBOTA
Model D1005-E4-D22
Type E-TVCS, liquid cooled, 3-cylinder diesel
Number of cylinders 3
Bore and stroke mm (in.) 76 x 73.6 (3.0 x 2.9)
Engine
Capacities
Dimensions
Weight (with ROPS) kg (lbs.)
Clutch Dry single plate
Total displacement cm (cu.in.) 1001 (61.1) 1123 (68.5) 1261 (77.0)
Engine gross
power*
Rated revolution rpm 2800
Low idling
revolution
Maximum torque N-m (ft-lb) 60 (44) 71 (52) 78 (58)
Battery 12 V, RC : 80 min, CCA : 430 A
Fuel tank L (U.S.gals.) 26 (6.9)
Engine crankcase
(with filter)
Engine coolant L (U.S.qts.) 3.9 (4.1)
Transmission case L (U.S.gals.) 14 (3.7) 15 (4.0)
Overall length
(without 3P)
Overall width mm (in.)
Overall height
(with ROPS)
Wheel base mm (in.) 1563 (61.5)
Min. ground
clearance
Front mm (in.)
Tread
Rear mm (in.)
kW (HP) 17.2 (23.0) 19.4 (26.0) 21.6 (29.0)
rpm 1000 to 1100
L (U.S.qts.) 3.1 (3.3) 3.5 (3.7)
mm (in.)
mm (in.)
mm (in.)
2360
(92.9)
900
(35.4)
1910
(75.2)
300
(11.8)
705
(27.8)
700 (27.6) to
750 (29.5)
605
(1334)
2385
(93.9)
1145
(45.1)
2130
(83.9)
305
(12.0)
800
(31.5)
900
(35.5)
650
(1433)
2360
(92.9)
938
(36.9)
1910
(75.2)
300
(11.8)
780
(30.7)
700 (27.6) to
750 (29.5)
630
(1390)
2385
(93.9)
1145
(45.1)
2130
(83.9)
305
(12.0)
800
(31.5)
900
(35.5)
670
(1477)
D1105-E4-D22 D1305-E3-D22
78 x 78.4
(3.1 x 3.1)
2415 (95.1)
1245 (49.0)
2160 (85.0)
325 (12.8)
815 (32.1)
950 (37.4)
705 (1554)
78 x 88
(3.1 x 3.5)
Traveling
system
Hydraulic
unit
PTO
Model B2320DTN-1 B2320DT B2320HSDN B2320HSD B2620HSD B2920HSD
Tires
Steering Integral type power steering
Transmission
Brake Wet disk type
Min. turning radius
(with brake)
Hydraulic control system
Pump capacity
Three point hitch SAE Category 1
Max. lift
force
Rear-PTO SAE 1-3/8, 6 splines
PTO / Engine
speed
Mid-PTO - USA No. 5 (KUBOTA 10-tooth) involute spline
PTO / Engine
speed
Front 5-12 6-12 5-12 6-12 7-12
Rear 8-16 9.5-16 8-16 9.5-16 11.2-16
At lift
points
24 in.
behind
lift point
Gear shift,
9 forward and
3 reverse
m (feet) 2.1 (6.9)
Position
control valve
L / min
(gals / min)
kg (lbs.) 750 (1655)
kg (lbs.) 590 (1300)
rpm 540 / 2773, 960 / 2722
rpm - 2500 / 2750
Quarter
inching
valve
615
(1356)
480
(1058)
Position
control valve
Power steering: 13.5 (3.6)
750 (1655) 615 (1356)
590 (1300) 480 (1058)
Main-hydrostatic transmission,
3 range gear shift (3 forward, 3 reverse)
Quarter inching valve
3P: 17.9 (4.7),
3SPECIFICATIONS
NOTE: * Manufacturer's estimate The company reserves the right to change the specifications without notice.
4 SPECIFICATIONS
TRAVELING SPEEDS
[HST Type] (At rated engine rpm)
Model B2320HSDN B2320
Tire size (Rear) 8 - 16 Farm 9.5 - 16 Farm 33 x 12.5 - 15 Turf
Range gear shift lever km / h mph km / h mph km / h mph
Low 0 to 5.2 0 to 3.2 0 to 5.6 0 to 3.5 0 to 5.6 0 to 3.5
Forward
Reverse
Model B2620 / B2920
Tire size (Rear) 11.2 - 16 Farm 33 x 12.5 - 15 Turf
Range gear shift lever km / h mph km / h mph
Forward
Reverse
The company reserves the right to change the specification without notice.
[Manual transmission Type] (At rated engine rpm)
Middle 0 to 8.7 0 to 5.4 0 to 9.3 0 to 5.8 0 to 9.3 0 to 5.8
High 0 to 17.7 0 to 11.0 0 to 18.9 0 to 11.7 0 to 18.9 0 to 11.7
Low 0 to 4.2 0 to 2.6 0 to 4.5 0 to 2.8 0 to 4.5 0 to 2.8
Middle 0 to 7.0 0 to 4.3 0 to 7.4 0 to 4.6 0 to 7.4 0 to 4.6
High 0 to 14.2 0 to 8.8 0 to 15.1 0 to 9.4 0 to 15.1 0 to 9.4
Low 0 to 6.0 0 to 3.7 0 to 5.6 0 to 3.5
Middle 0 to 9.9 0 to 6.2 0 to 9.3 0 to 5.8
High 0 to 20.2 0 to 12.6 0 to 18.9 0 to 11.7
Low 0 to 4.8 0 to 3.0 0 to 4.5 0 to 2.8
Middle 0 to 7.9 0 to 4.9 0 to 7.4 0 to 4.6
High 0 to 16.1 0 to 10.0 0 to 15.1 0 to 9.4
Model B2320DTN B2320DT
Tire size (Rear) 8-16 Farm 9.5 - 16 Farm 33 x 12.5 - 15 Turf
Range gear shift lever Main gear shift lever km / h mph km / h mph km / h mph
1
2 2 1.5 0.9 1.6 1.0 1.6 1.0
3 3 2.7 1.7 2.9 1.8 2.9 1.8
4
Forward
Reverse
The company reserves the right to change the specifications without notice.
5 2 4.8 3.0 5.1 3.2 5.1 3.2
6 3 8.7 5.4 9.3 5.8 9.3 5.8
7
8 2 9.3 5.8 9.9 6.2 9.9 6.2
9 3 16.8 10.5 18.0 11.2 18.0 11.2
1 Low R 1.3 0.8 1.4 0.9 1.4 0.9
2 Middle R 4.2 2.6 4.5 2.8 4.5 2.8
3 High R 8.1 5.0 8.7 5.4 8.7 5.4
Low
Middle
High
1 1.0 0.6 1.1 0.7 1.1 0.7
1 3.4 2.1 3.6 2.2 3.6 2.2
1 6.5 4.0 7.0 4.4 7.0 4.4
IMPLEMENT LIMITATIONS
The KUBOTA Tractor has been thoroughly tested for proper performance with implements sold or approved by KUBOTA.
Use with implements which are not sold or approved by KUBOTA and 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 Lower link end max.
Front Rear
B2320DTN 705 mm (27.8 in.) 750 mm (29.5 in.)
B2320HSDN 780 mm (30.7 in.) 750 mm (29.5 in.)
loading weight
W0
5IMPLEMENT LIMITATIONS
B2320DT
B2320HSD
B2620HSD
B2920HSD
B2320
B2620
B2920
Lower link end max. loading weight........The max. allowable load which can be put on the lower link end : W0
Implement weight....................................The implement's weight which can be put on the lower link : W1
Max. drawbar load...................................W2
Trailer loading weight .............................The max. loading weight for trailer (without trailer's weight) : W3
800 mm (31.5 in.) 900 mm (35.4 in.)
815 mm (32.1 in.) 950 mm (37.4 in.)
Actual figures
Implement weight W1
and / or size
As in the following list
(Shown on the next page)
Max. Drawbar
Load W2
300 kg (660 lbs.) 1000 kg (2210 lbs.)
300 kg (660 lbs.)
Trailer loading weight
W3
Max. capacity
A Implement size may vary depending on soil operating conditions.
6 IMPLEMENT LIMITATIONS
Implement Remarks
Max . cut ting w idth cm ( in.)
Ma x. weigh t kg ( lbs.)
Max . cut ting w idth cm ( in.)
Ma x. weigh t kg ( lbs.)
Max . cut ting w idth cm ( in.)
Ma x. weigh t kg ( lbs.)
Mower
Mid-mount
Rotary-cutter
(1 Blade)
Rear-mount
(2 or 3 Blade)
B2320DTN B2320HSDN B2320 B2620 B2920
-
152 (60)
140 (300)
122 (48)
204 (450)
152 (60)
227 (500)
Flail-mower Max. cutting width cm (in.) 107 (42) 122 (48)
Sickle bar Max. cutting width cm (in.) 122 (48) 152 (60)
Rotary tiller
Max.tilling width cm (in.)
Ma x. weigh t kg ( lbs.)
Slip clutch
125 (49)
195 (430)
Necessary
127 (50)
213 (470)
Necessary
Bot tom plow Max. size cm (in. ) 30 (12) x 1 36 (14) x 1
Dis c pl ow M ax. s ize cm ( in.) 56 (22) x 1
Cul tiva tor Max . siz e cm (in .)
Disc harrow
Ma x. harro win g width cm (in.)
Ma x. weigh t kg ( lbs.)
122 (48)
1 Row
137 (54)
190 (420)
137 (54)
1 Row
152 (60)
190 (420)
Sprayer Max. tank capacity L (U.S.gals.) 150 (40) 190 (50)
Front blade
Rear blade
Max . cut ting w idth cm ( in.)
Sub frame
Max . cut ting w idth cm ( in.)
Ma x. weigh t kg ( lbs.)
Max. lifting capacity kg (lbs.)
Front loader
(Bucket center)
Max . wid th cm ( in.)
Sub frame
Box blade
Max . cut ting w idth cm ( in.)
Ma x. weigh t kg ( lbs.)
Max. digging depth cm (in.)
Back hoe
Ma x. weigh t kg ( lbs.)
Sub frame
Max. digging depth cm (in.)
Snow blower
Ma x. weigh t kg ( lbs.)
Sub frame
Trailer
Max. load capacity kg (lbs.)
Max. drawbar load kg (lbs.)
A Implement size may vary depending on soil operating conditions.
122 (48)
Necessary
-
137 (54)
170 (375)
-
152 (60)
180 (400)
Necessary
152 (60)
160 (350)
300 (660)
122 (48)
Necessary
1000 (2200)
300 (660)
152 (60)
Necessary
360 (794)
127 (50)
Necessary
137 (54)
227 (500)
198 (78)
320 (705)
Necessary
152 (60)
200(450)
Necessary
7INSTRUMENT PANEL AND CONTROLS
INSTRUMENT PANEL AND CONTROLS
B Instrument Panel, Switches and Hand Controls
ILLUSTRATED CONTENTS
(1) Turn signal / Hazard light indicator ....................... 20
(2) Coolant temperature gauge ................................. 26
(3) Turn signal light switch ......................................... 20
(4) Head light switch .................................................. 20
(5) Hourmeter / Tachometer ...................................... 26
(6) Easy Checker (TM) .............................................. 25
(7) Fuel gauge .......................................................... 26
(8) Key switch ............................................................ 12
(9) Hazard light switch ............................................... 20
8 INSTRUMENT PANEL AND CONTROLS
B Foot and Hand Controls [HST Type]
ILLUSTRATED CONTENTS
(1) Clutch pedal ................................................... 21
(2) Speed set lever .............................................. 25
(3) Speed control pedal ....................................... 24
(4) 3-Point hitch lowering speed knob .................. 35
(5) Cutting height control dial (if equipped) .......... ---
(6) Differential lock pedal ..................................... 27
(7) Range gear shift lever .................................... 22
(8) PTO gear shift lever ....................................... 29
(9) Seat belt ......................................................... 20
(10) Cup holder ................................................... ---
(11) Hand throttle lever ........................................ 23
(12) Brake pedal .................................................. 21
(13) Parking brake lever ...................................... 27
(14) Loader lock lever .......................................... 38
(15) Loader control lever ..................................... 12, 37
(16) Front wheel drive lever ................................. 23
(17) Hydraulic control lever [Except B2320HSDN].. 34
Position control lever [B2320HSDN] ................ 34
(18) Operator's seat ............................................ 19
(19) Tool-box ....................................................... ---
B Foot and Hand Controls [Manual Transmission Type]
9INSTRUMENT PANEL AND CONTROLS
ILLUSTRATED CONTENTS
(1) Clutch pedal .................................................... 21
(2) Differential lock pedal ...................................... 27
(3) 3-Point hitch lowering speed knob ................... 35
(4) Cutting height control dial (if equipped) ............ ---
(5) Range gear shift lever ...................................... 22
(6) PTO gear shift lever ......................................... 29
(7) Seat belt .......................................................... 20
(8) Cup holder ....................................................... ---
(9) Hand throttle lever ........................................... 23
(10) Brake pedal ................................................... 21
(11) Parking brake lever ........................................ 27
(12) Foot throttle ................................................... 23
(13) Loader lock lever (if equipped) ....................... 38
(14) Loader control lever (if equipped) .................. 12, 37
(15) Main gear shift lever ...................................... 22
(16) Front wheel drive lever .................................. 23
(17) Hydraulic control lever [Except B2320DTN] ... 34
Position control lever [B2320DTN] .................. 34
(18) Operator's seat .............................................. 19
(19) Tool-box ........................................................ ---
INSTRUMENT PANEL AND CONTROLS10
B Pedal Location Label
The label is located on the cover under seat.
[HST type]
(1) Clutch pedal
(2) Brake pedal (left)
(3) Brake pedal (right)
(4) Brake pedal lock
(5) Speed control pedal (forward)
(6) Speed control pedal (reverse)
(7) Differential lock pedal
[Manual transmission type]
(1) Clutch pedal
(2) Brake pedal (left)
(3) Brake pedal (right)
(4) Brake pedal lock
(5) Differential lock pedal
(6) Foot throttle
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