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
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
Revolutions Per Second
SAE
SMV
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, brush-covered 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.
Canadian Electromagnetic Compatibility (EMC):
This machine complies with Industry Canada ICES-002.
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
Read Operator's Manual
Hour meter/Elapsed Operating Hours
Diesel Fuel
Fuel-Level
Empty
Full
Engine-Run
Diesel Preheat/Glow Plugs (Low Temperature
Start Aid)
Starter Control
Engine-Stop
Engine Oil-Pressure
Engine Coolant-Temperature
Battery Charging Condition
Electrical Power-accessories
Hazard Warning Lights
Turn Signal
Headlight
Master Lighting Switch
Engine Speed Control
Slow
Fast
Brake
Parking Brake
4-Wheel Drive-Off
4-Wheel Drive-On
Speed set-On
Speed set-Off
Differential Lock
Hydraulic Control-Lowered Position
Hydraulic Control-Raised Position
3-Point Lowering Speed Control
Remote Cylinder-Retract
Remote Cylinder-Extend
Mid-PTO
Mid-Rear-PTO
Rear-PTO
Power Take-Off Clutch Control-Off Position
Power Take-Off Clutch Control-On Position
Tilt Steering Lever
Loader Lock Lever Lock Position
Loader Lock Lever Unlock Position
You are now the proud owner of a KUBOTA Tractor. This tractor is a product of
KUBOTA's quality engineering and manufacturing. It is made of the excellent
materials and under rigid quality control systems. It will give you long, satisfactory
service. To obtain the best use of your tractor, please read this manual carefully. It
will help you become familiar with the operation of the tractor and contains many
helpful hints about tractor maintenance. It is KUBOTA's policy to utilize, as quick as
possible, every advance in our research. The immediate use of new techniques in
the manufacturing of products may cause some small parts of this manual to
become outdated. KUBOTA distributors and dealers will have the most up-to-date
information. Please do not hesitate to consult them.
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 attempt to assemble 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, could result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
1. Warranty of the tractor............................................................................................................................... 18
2. Scrapping the tractor and its procedure .................................................................................................... 18
OR ...............................................................................................17
FRONT LOADER................................................................................................................................................ 26
WEIGHT OF THE IMPLEMENTS AS THE REAR BALLAST .............................................................................26
INSTRUMENT PANEL AND CONTROLS .................................................................................27
INSTRUMENT PANEL, SWITCHES, AND HAND CONTROLS .........................................................................27
5. Turn signal light switch ..............................................................................................................................28
6. Hood open lever ........................................................................................................................................29
FOOT CONTROLS AND HAND CONTROLS ....................................................................................................30
2. Seat belt .................................................................................................................................................... 31
3. Brake pedal and parking brake lock pedal ................................................................................................ 31
3.1 How to use the parking brake ............................................................................................................ 32
4. Range gear shift lever (Hi-Lo) ................................................................................................................... 32
5. Front wheel drive lever ..............................................................................................................................32
6. Hand accelerator lever .............................................................................................................................. 33
7. Speed control pedal................................................................................................................................... 33
8. Speed set device [BX2380 and BX2680] .................................................................................................. 34
8.1 How to use the speed set device [BX2380 and BX2680]................................................................... 34
1. 12 V electric outlet ..................................................................................................................................... 34
DAILY CHECK ITEMS BEFORE OPERATION OF THE TRACTOR .................................................................. 36
OPERATING THE ENGINE .......................................................................................................37
STARTING THE ENGINE ................................................................................................................................... 37
STOPPING THE ENGINE................................................................................................................................... 39
WARMING UP OF THE ENGINE .......................................................................................................................40
JUMP STARTING THE ENGINE ........................................................................................................................ 40
OPERATING THE TRACTOR....................................................................................................42
OPERATING NEW TRACTOR ........................................................................................................................... 42
GETTING ON AND OFF THE TRACTOR ..........................................................................................................42
1. Cold weather starting of the engine........................................................................................................... 39
1. Warm-up of the engine and transmission oil in the low temperature range............................................... 40
OPERATING THE FOLDABLE ROPS ................................................................................................................ 42
2
BX1880, BX2380, BX2680
1. Folding the ROPS...................................................................................................................................... 42
2. Raising the ROPS to upright position
3. Adjusting the foldable ROPS ..................................................................................................................... 44
STARTING THE TRACTOR................................................................................................................................ 44
STOPPING THE TRACTOR............................................................................................................................... 46
CHECK DURING DRIVING ................................................................................................................................47
1. Cases to stop the engine immediately....................................................................................................... 47
2. Check items during driving ........................................................................................................................47
2.3 Coolant temperature gauge ............................................................................................................... 48
2.4 Dealing with the overheated coolant temperature.............................................................................. 49
2.5 Hour meter .........................................................................................................................................49
PARKING THE TRACTOR.................................................................................................................................. 50
TECHNIQUES FOR OPERATING THE TRACTOR ........................................................................................... 50
1. PTO select lever ........................................................................................................................................ 52
2. PTO clutch lever ........................................................................................................................................ 52
3. PTO shaft cover and PTO shaft cap.......................................................................................................... 53
4. Using stationary PTO................................................................................................................................. 53
1. Precautions for attaching and detaching the implements to the 3-point hitch ...........................................56
2. Adjusting the lifting rod (right).................................................................................................................... 56
3. Adjusting the top link ................................................................................................................................. 56
4. Adjusting the check chains ........................................................................................................................ 56
1. Front ballast............................................................................................................................................... 67
SERVICE INTERVALS........................................................................................................................................ 69
LUBRICANTS, FUEL, AND COOLANT .............................................................................................................. 71
1. Walk around inspection .............................................................................................................................75
2. Checking the fuel gauge and refueling ...................................................................................................... 75
3. Checking the engine oil level..................................................................................................................... 76
4. Checking the transmission fluid level ........................................................................................................ 76
5. Checking the coolant level......................................................................................................................... 77
6. Cleaning the panel and the radiator screen............................................................................................... 77
7. Checking the brake pedal.......................................................................................................................... 78
8. Checking the gauges, the meters, and the Easy Checker™...................................................................... 78
9. Checking the head light, hazard light, and so on....................................................................................... 78
10. Checking the seat belt and the ROPS..................................................................................................... 78
11. Checking and cleaning the electrical wiring and the battery cables......................................................... 78
12. Checking the movable parts .................................................................................................................... 79
SERVICE EVERY 50 HOURS ............................................................................................................................ 79
1. Lubricate fittings with grease ..................................................................................................................... 79
2. Checking the engine start system ............................................................................................................. 80
3. Checking the OPC (operator presence control) system ............................................................................ 80
4. Checking the wheel bolt torque .................................................................................................................81
5. Cleaning the lock lever shaft ..................................................................................................................... 81
SERVICE EVERY 100 HOURS .......................................................................................................................... 82
1. Checking of the battery.............................................................................................................................. 82
1.2 Dealing with the battery when storing the tractor for a long period .................................................... 83
2. Cleaning the air cleaner element............................................................................................................... 83
3. Checking the fuel filter ............................................................................................................................... 84
4. Adjusting the fan belt tension .................................................................................................................... 84
5. Adjusting the HST neutral spring for speed control pedal .........................................................................85
6. Adjusting the brake pedal .......................................................................................................................... 85
SERVICE EVERY 200 HOURS .......................................................................................................................... 86
1. Replacing the engine oil filter .................................................................................................................... 86
2. Changing the engine oil............................................................................................................................. 86
3. Replacing the transmission oil filter ........................................................................................................... 87
4. Checking the toe-in.................................................................................................................................... 87
4.1 Adjusting the toe-in ............................................................................................................................ 88
SERVICE EVERY 400 HOURS .......................................................................................................................... 88
1. Adjusting the front axle pivot ..................................................................................................................... 88
2. Changing the transmission fluid ................................................................................................................ 88
3. Cleaning the transmission strainer ............................................................................................................89
4. Changing the front axle case oil ................................................................................................................89
5. Replacing the fuel filter element ................................................................................................................90
SERVICE EVERY 800 HOURS .......................................................................................................................... 90
1. Adjusting the engine valve clearance ........................................................................................................ 90
SERVICE EVERY 1000 HOURS OR 1 YEAR.................................................................................................... 90
1. Replacing of the air cleaner element ......................................................................................................... 90
4
BX1880, BX2380, BX2680
SERVICE EVER
1. Checking the injection pressure of the fuel injection nozzle ...................................................................... 90
SERVICE EVERY 2000 HOURS OR 2 YEAR.................................................................................................... 90
1. Flushing the cooling system and changing the coolant ............................................................................. 90
SERVICE EVERY 3000 HOURS ........................................................................................................................ 92
1. Checking the injection pump ..................................................................................................................... 92
SERVICE EVERY 1 YEAR .................................................................................................................................92
1. Checking the intake air line ....................................................................................................................... 92
2. Checking the radiator hoses and the hose clamps.................................................................................... 92
3. Checking the power steering line .............................................................................................................. 93
4. Checking the fuel lines .............................................................................................................................. 93
5. Checking the engine breather hose........................................................................................................... 94
SERVICE EVERY 4 YEAR .................................................................................................................................94
1. Replacing the radiator hose (water pipes)................................................................................................. 94
2. Replacing the fuel hose ............................................................................................................................. 94
3. Replacing the power steering hose ...........................................................................................................94
4. Replacing the intake air line ...................................................................................................................... 94
5. Replacing the engine breather hose.......................................................................................................... 94
SERVICE AS REQUIRED................................................................................................................................... 94
1. Bleeding the fuel system ........................................................................................................................... 94
2. Replacing the fuse..................................................................................................................................... 94
3. Replacing the light bulb .............................................................................................................................95
Y 1500 HOURS ........................................................................................................................ 90
STORAGE OF THE TRACTOR.................................................................................................96
STORING THE TRACTOR ................................................................................................................................. 96
REMOVING THE TRACTOR FROM STORAGE................................................................................................ 96
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.
PRECAUTIONS BEFORE
OPERATING THE TRACTOR
Know your equipment and its limitations.
Read this entire manual before attempting to start and
operate the tractor.
1. General precautions
• Pay special attention to the safety labels on the
tractor.
• Do not operate the tractor or any implement
attached to the tractor while under the influence of
alcohol, medication, controlled substances, or while
you are fatigued.
• Carefully check the vicinity of the tractor before
operating it or any implement attached to it. Do not
allow any bystander around or near the tractor
during operating it.
• Before allowing other people to use your tractor,
explain them how to operate it and have them read
this manual before operating it.
• Never wear loose, torn, or bulky clothing around the
tractor. Loose, torn, or bulky clothing may catch on
moving parts or controls, leading to the risk of an
accident. Use additional safety items: hard hat,
safety boots or shoes, eye and hearing protection,
gloves, and so on, as appropriate or required.
• Do not allow passengers to ride on any part of the
tractor at anytime. The operator must remain in the
tractor seat during operating the tractor.
• 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 SERVICE INTERVALS on
page 69.
• Keep your tractor clean. Buildups of dirt, grease,
and trash may contribute to fires and lead to
personal injury.
• Use only implements meeting the specifications
listed under IMPLEMENT LIMITATION TABLES on
page 22, FRONT LOADER on page 26, and
WEIGHT OF THE IMPLEMENTS AS THE REAR
BALLAST on page 26, or implements approved by
KUBOTA.
• 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 3point hitch to improve stability. Follow the safe
operating procedures specified in the implement orattachment manual.
• Do not modify the tractor. Unauthorized
modification may affect the function of the tractor,
which may result in personal injury.
2. Precautions for CAB and ROPS
KUBOTA recommends the use of a CAB or roll-overprotective-structures (ROPS), and seat belt in almost
all applications. Combination of a CAB or ROPS and
seat belt will reduce the risk of serious injury or death if
the tractor should be upset.
• Check for overhead clearance which may interfere
with a CAB or ROPS.
• Set parking brake and stop engine. Remove any
obstructions that may prevent raising or folding the
ROPS. Do not allow any bystander. Always perform
functions of CAB or ROPS from a stable position at
the rear of the tractor. Hold the top of the ROPS
securely when raising or folding it. Make sure that
all pins are installed and locked.
• 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 any structural member of a
CAB or ROPS because welding, bending, drilling,
grinding, or cutting it may weaken the structure.
• If any structural member of the CAB or ROPS is
damaged, replace the entire structure at your local
KUBOTA Dealer.
• If the tractor is equipped with a foldable ROPS, you
may fold down it temporarily only when absolutely
necessary to fold down it for areas with constraints
on height.
There is no protection of operator provided by the
ROPS in the folded position. For operator safety,
you should place the ROPS in the upright and
locked position and fasten the seat belt for all other
operations.
• Always use the seat belt if the tractor is equipped
with a CAB or ROPS.
Do not use the seat belt if a foldable ROPS is down
SAFE OPERATION
6
BX1880, BX2380, BX2680
or there is no ROPS. Check the seat belt regularly
and replace if frayed or damaged.
(1) ROPS(2) Seat belt
PRECAUTIONS FOR
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,
and so on.
This manual sets forth some of the obvious risks, but
the list of risks is not exhaustive, and the list of risks
cannot be exhaustive. It is the operator's responsibility
to be alert for any equipment or environmental
condition that could compromise safe operation.
1. Precautions for starting to operate
the tractor
• Always sit in the operator's seat when starting the
engine or operating levers or controls. Adjust seat
per 1. Operator's seat on page 31. Never start the
engine while you are standing on the ground.
• 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 the power take-off (PTO) is disengaged or off.
Fasten the seat belt if the tractor is equipped with a
CAB, a fixed ROPS, or a foldable ROPS in the
upright and locked position.
• Do not start the engine by shorting across starter
terminals or bypassing the safety start switch. The
tractor may start in gear and move if normal starting
circuitry is bypassed.
• Do not operate or idle the engine in a nonventilated area. Carbon monoxide gas is colorless,
odorless, and deadly.
• Check that the operator-presence-control-system
(OPC) are functioning correctly before each time
you use the tractor. Test safety systems. See
2. Checking the engine start system on page 80
and 3. Checking the OPC (operator presence
control) system on page 80.
Do not operate unless they are functioning
correctly.
2. Precautions for working the
tractor
• Pull only from the hitch. Never hitch to axle housing
or any other point except hitch. Hitching to axle
housing or any other point except hitch will increase
the risk of serious personal injury or death due to a
tractor upset.
(1) Hitch
• Keep all shields and guards in place. Replace any
shield or guard that are missing or damaged.
• Avoid sudden starts. To avoid upsets, slow down
when turning, on uneven ground, and before
stopping.
• The tractor cannot turn with the differential locked.
Do not attempt to turn with the differential locked as
it could be dangerous.
• Do not operate near ditches, holes, embankments,
or other ground surface features which may
collapse under the weight of the tractor. The risk of
tractor upset is even higher when the ground is
loose or wet. Tall grass can hide obstacles, so walk
the area first to be sure.
• Watch where you are going at all times. Watch for
and avoid obstacles. Be alert at row ends, near
trees, and other obstructions.
• When working in groups, always let the others
know what you are going to do before you do it.
• Never try to get on or off a moving tractor.
• Always sit in the operator's seat when you are
operating levers or controls.
• Do not stand between the tractor and the
implement or trailed vehicle unless parking brake is
applied.
• Do not operate or tow at speeds exceeding specific
travel speed.
3. Safety for children
SAFE OPERATION
BX1880, BX2380, BX2680
7
Tragedy can occur if the operator is not alert to the
presence of children. Children generally are attracted to
machines and their work.
• Never assume that children will remain where you
last saw them.
• Keep children out of the work area and under the
watchful eye of another responsible adult.
• Be alert and shut the tractor down if children enter
the work area.
• Never carry children on the tractor. There is no safe
place for them to ride. They may fall off and be run
over or interfere with your control of the tractor.
• Never allow children to operate the tractor even
under adult supervision.
• Never allow children to play on the tractor or on the
implement.
• Use extra caution when the tractor is backing up.
Before the tractor starts to move, look down and
behind to make sure area is clear.
4. Precautions for operating the
tractor on slopes
5. Precautions for driving the tractor
on the road
• Check the front wheel engagement. The braking
characteristics are different between 2-wheel drive
and 4-wheel drive. Know the difference and use
carefully.
• Always slow the tractor down before turning.
Turning at high speed may tip the tractor over.
• Make sure that the slow-moving-vehicle (SMV) sign
is clean and visible. Use hazard lights and turn
signals as required.
• On public roads, use the SMV emblem and hazard
lights, if required by local traffic and safety
regulations.
Slopes are a major factor related to loss-of-control and
tip-over accidents, which can result in severe injury or
death.
All slopes require extra caution.
• To avoid upsets of the tractor, always back it up
steep slopes. If you cannot back the tractor up on
the slope or if you feel uneasy to back it up on the
slope, do not operate on it. Stay off slopes too
steep for safe operation.
• Driving forward out of a ditch, mired condition or up
a steep slope increases the risk of the tractor to be
upset backward. Always back the tractor out of a
ditch, mired condition or steep slope. The 4-wheel
drive models require extra caution because their
increased traction can give the operator false
confidence in the ability of the tractor to climb
slopes.
• Keep all movement of the tractor on slopes slow
and gradual. Do not change speed or direction of
the tractor suddenly. Do not apply brake suddenly.
Do not move the steering wheel suddenly.
• Avoid changing gears speed when the tractor is
climbing or going down a slope. Changing gears to
neutral on a slope could cause loss of control.
• You should pay special attention to the weight and
location of implements and loads because they will
affect the stability of the tractor.
• To improve stability of the tractor on slope, follow
recommendations for proper ballasting as shown in
BALLAST on page 67
• When driving down a slope, make sure that 4-wheel
drive is engaged to increase traction if equipped.
(1) SMV emblem(2) Bracket
• Check all local traffic and safety regulations.
• Turn the headlights on. Dim the headlights when
meeting another vehicle.
• Drive at speeds that allow you to maintain control at
all times.
• Do not apply the differential lock while traveling at
road speeds. The tractor may run out of control.
• 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.
• Keep the ROPS in the up position and wear the
seat belt when driving the tractor on the road.
Otherwise, you will not be protected in the event of
a tractor roll-over.
• Do not operate an implement while the tractor is on
the road. Lock the 3-point hitch in the raised
position.
• When towing other equipment, use a safety chain
and place an SMV emblem on the equipment as
well.
(1) Safety chain
SAFE OPERATION
8
BX1880, BX2380, BX2680
• Set the implement-lowering-speed-knob in the lock
position to hold the implement in the raised
position.
• Make sure that the tractor has come to a complete
stop before dismounting from it.
• Avoid parking on steep slopes. If it is at all possible,
park on a firm and level surface. If it is not at all
possible to park on a firm and level surface, park
across a slope and chock the wheels.
Failure to comply with this warning may allow the
tractor to move and could cause injury or death.
(B) Push down parking brake
pedal while depressing
brake pedal
PRECAUTIONS FOR
OPERATING THE PTO
• Wait until all moving components have completely
stopped before getting off the tractor, connecting,
disconnecting, adjusting, cleaning, or servicing any
PTO driven equipment.
• Keep the PTO-shaft-cover in place at all times.
Replace the PTO-shaft-cap when the shaft is not in
use.
• Disengage the PTO, lower all implements to the
ground, place all control levers in their neutral
positions, set the parking brake, stop the engine,
remove the key from the ignition, and lock the cab
door if equipped. Leaving transmission in gear with
the engine stopped will not prevent tractor from
rolling.
(1) PTO shaft cover
(2) PTO shaft cap
(A) Normal position
• Before installing or using PTO-driven-equipment,
read the manufacturer's manual and review the
safety labels attached to the equipment.
• When operating stationary PTO-driven-equipment,
always apply the tractor parking brake and place
(B) Raised position
chocks behind and in front of the rear wheels. Stay
SAFE OPERATION
BX1880, BX2380, BX2680
9
clear of all rotating parts. Never step over rotating
parts.
PRECAUTIONS FOR USING 3POINT HITCH
• Use the 3-point hitch only with equipment designed
for 3-point hitch usage.
• When using a 3-point-hitch-mounted-implement, be
sure to install the proper counterbalance-weight on
the front of the tractor.
• When transporting loads on the road, set the
implement-lowering-speed-knob in the lock position
to hold the implement in the raised position.
(1) 3-point hitch lowering speed
knob
(A) Fast
• To avoid injury from separation, do not extend lift
rod beyond the groove on the threaded rod.
(B) Slow
(C) Lock
implements to the ground, place the gear shift lever in
neutral, stop the engine, and remove the key.
• Allow the tractor time to cool off before working on
or near the engine, muffler, radiator, and so on.
• Do not remove radiator cap while coolant is hot.
When coolant is 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. Do not add coolant to the
radiator. See 5. Checking the coolant level on page
77.
• Always stop the engine before refueling. Avoid
spills and overfilling.
• Do not smoke when working around battery or
when the tractor is 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 you are
recharging it.
• Before jump starting a dead battery, read and follow
all of the instructions. See JUMP STARTING THE
ENGINE on page 40.
• Keep first-aid-kit and fire extinguisher handy at all
times.
• Disconnect the battery's ground cable before
working on or near electric components.
• 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.
• To avoid sparks from an accidental short circuit,
always disconnect the battery's ground cable (-)
first and reconnect it last.
(1) Groove
PRECAUTIONS FOR
SERVICING THE TRACTOR
Before servicing the tractor, park it on a firm, flat, and
level surface, set the parking brake, lower all
(1) Battery
• Do not attempt to mount a tire on a rim. A qualified
person should mount a tire on a rim with the proper
equipment.
• Always maintain the correct tire pressure. Do not
inflate tires above the recommended pressure
shown in 1. Inflation pressure of tires on page 64.
• Securely support the tractor when either changing
SAFE OPERATION
10
BX1880, BX2380, BX2680
wheels or adjusting the wheel tread width.
• Make sure that wheel bolts have been tightened to
the specified torque. See WHEEL TREAD on page
64.
• 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 the tractor or any machine elements for
servicing or adjustment, securely support them with
stands or suitable blocking beforehand.
• Escaping hydraulic fluid under pressure has
sufficient force to penetrate skin, so escaping
hydraulic fluid under pressure can cause 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.
(1) Cardboard
(2) Hydraulic line
• Waste products such as used oil, fuel, hydraulic
fluid, and batteries, can harm the environment,
people, pets, and wildlife. Please dispose properly.
See your local recycling center or KUBOTA Dealer
to learn how to recycle or get rid of waste products.
(3) Magnifying glass
• Fluid escaping from pinholes may be invisible. Do
not use hands to search for suspected leaks. Use a
piece of cardboard or wood to search for suspected
leaks. You should use safety goggles or other eye
protection. If injured by escaping fluid, see a
medical doctor at once. This fluid will produce
gangrene or severe allergic reaction.
SAFETY LABELS
SAFE OPERATION
BX1880, BX2380, BX2680
11
SAFE OPERATION
12
BX1880, BX2380, BX2680
SAFE OPERATION
BX1880, BX2380, BX2680
13
SAFE OPERATION
14
BX1880, BX2380, BX2680
1. Care for safety labels
SAFE OPERATION
BX1880, BX2380, BX2680
15
• Keep safety labels clean and free from obstructing
material.
• Clean safety labels with soap and water, and dry
with a soft cloth.
• Replace damaged or missing safety labels with new
safety labels from your local KUBOTA Dealer.
• If a component with safety label(s) attached is
replaced with new component, make sure that new
safety label(s) is (are) attached in the same
location(s) as the replaced component.
• Attach new safety labels by applying on a clean, dry
surface and pressing any bubbles to outside edge.
SAFE OPERATION
16
BX1880, BX2380, BX2680
DEALER SERVICESERVICING OF THE TRACTOR
BX1880, BX2380, BX2680
17
SERVICING OF THE TRACTOR
DEALER SERVICE
dealer has knowledge of your new tractor and has
Your
the desire to help you get the most value from it.
After reading this manual thoroughly, you will find that
you can perform some of the regular maintenance
yourself.
However, when your tractor needs 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 the serial numbers of both the tractor
and the engine.
Locate the serial numbers now and record them in the
space provided.
TypeSerial No.
Tractor
ROPS
Engine
Date of Purchase
Name of Dealer
(To be filled in by purchaser)
(3) ROPS identification plate
(ROPS serial No.)
BX1880
(1) Tractor identification plate(2) Tractor serial number
BX2380
SERVICING OF THE TRACTORDEALER SERVICE
18
BX1880, BX2380, BX2680
BX2680
(4) Engine serial number
1. Warranty of the tractor
This tractor is warranted under the KUBOTA Limited
Express W
from your selling dealer.
No warranty shall, however, apply if the tractor has not
been used according to the instruction given in the
operator's manual even if it is within the warranty
period.
arranty, a copy of which may be obtained
2. Scrapping the tractor and its
procedure
To put the tractor out of service, correctly follow the
local rules
where you scrap it.
If you have questions, consult your local KUBOTA
Dealer.
Hydraulic control systemDirectional control, auto-return lever system
Pump capacity
System pressure
3-point hitchSAE Category 1
Hydraulic unit
Max. lift force
At lift points
*3
24in. behind lift
points
Remote control
System2 valves
valve coupler
(rear: Option)
Remote control
CouplerISO 7241-1 series A
System2 valves
valve coupler
(front: Option)
Coupler (fitting)ISO 7241-1 series B
Rear PTO
RevolutionSTD (540 rpm)
O
PT
Mid PTO
RevolutionSTD (2500 rpm)
The company reserves the right to change the specifications without notice.
*1 Manufacturer's estimate
*2 SAE J1995
*3 See and check IMPLEMENT LIMITATION TABLES on page 22.
148 mm
(1336 lbs.)
16x7.50-818x8.50-10
24x12.00-1226x12.00-12
(5.8 in.)
606 kg
1400 mm
(55.1 in.)
166 mm
(6.5 in.)
930 mm
(36.6 in.)
820 mm
(32.2 in.)
660 kg
(1455 lbs.)
2.3 m
(7.5 ft)
23.5 L/min.
(6.2 gals/min)
12.3 MPa to 12.8 MPa
(126 kgf/cm to 130 kgf/cm)
[1790 psi to 1850 psi]
5120 N to 5390 N
(1
151 lbs. to 1213 lbs.)
3040 N
(680 lbs.)
SAE 1-3/8, 6 splines
USA No.5 (KUBOTA 10-tooth) involute spline
690 kg
(1521 lbs.)
TRAVELING SPEEDS TABLESPECIFICATIONS
BX1880, BX2380, BX2680
21
TRAVELING SPEEDS TABLE
ModelBX1880BX2380 and BX2680
Tire size (Rear)24x12.00-1226x12.00-12
Speed control pedalRange gear shift lever(At max engine rpm)
Low
Forward
High
Low
Reverse
High
The company reserves the right to change the specification without notice.
0 km/h to 5.5 km/h
0 mph to 3.4 mph
0 km/h to 12.0 km/h
0 mph to 7.5 mph
0 km/h to 4.0 km/h
0 mph to 2.5 mph
0 km/h to 9.0 km/h
0 mph to 5.6 mph
0 km/h to 6.0 km/h
0 mph to 3.7 mph
0 km/h to 13.0 km/h
0 mph to 8.1 mph
0 km/h to 4.5 km/h
0 mph to 2.8 mph
0 km/h to 10.0 km/h
0 mph to 6.2 mph
IMPLEMENT LIMITATIONSIMPLEMENT LIMITATION TABLES
22
BX1880, BX2380, BX2680
IMPLEMENT LIMITATIONS
IMPLEMENT LIMITATION TABLES
IMPORTANT :
The KUBOT
by KUBOTA. Do not use the following implements:
• Implements which are not sold or approved by KUBOTA
• Implements which exceed the maximum specifications listed in the following table
• Implements which are otherwise unfit for use with the KUBOTA Tractor
These implements may result in malfunctions or failures of the tractor, damage to other property, and injury
to the operator or others.
NOTE :
Any malfunctions or failures of the tractor resulting from use with improper implements are not covered by
the warranty.
Tread (max. width)
Lower link end max. lifting weight W0
Actual figures
A Tractor has been thoroughly tested for proper performance with implements sold or approved
ModelBX1880, BX2380, and BX2680
Front
Rear
Implement weight W1 and / or sizeAs in [Implement weight list]
Max. hitch load W2
Trailer loading weight W3 (Max. capacity)
Total weight W4
930 mm
(36.6 in.)
820 mm
(32.2 in.)
550 kg
(1210 lbs.)
250 kg
(550 lbs.)
800 kg
(1765 lbs.)
1100 kg
(2425 lbs.)
Lower link end max. lifting weight W0
The max. allowable load which can be put on the lower link end
Implement weight W1
The implement's weight which can be put on the lower link
Max. hitch load W2
The max. loading weight for hitching
Trailer loading weight W3
The max. loading weight for trailer (without trailer's weight)
T
otal weight W4
The max. loading weight for trailer with trailer's weight
NOTE :
• Implement size may vary depending on soil operating conditions.
•
Strictly follow the instructions outlined in the operator’s manual of the mounted or trailed machinery or
trailer, and do not operate the combination tractor-machine or tractor-trailer unless all instructions have
been followed.
IMPLEMENT LIMITATIONS
BX1880, BX2380, BX2680
23
• When you use the forestry application, there are following hazards:
– toppling trees, primarily in case a rear-mounted-tree-grab-crane is mounted at the rear of the tractor
penetrating objects in the operator’s enclosure, primarily in case a winch is mounted at the rear of the
–
tractor
To deal with these hazards and other related hazards, the tractor requires optional equipments such as
OPS (operator-protective-structure), FOPS (falling-object-protective-structure), and so on. These optional
equipments, however, are not available for this tractor. Without optional equipments such as OPS and
FOPS, the use of the tractor is limited to tractor-specific-applications like transport and stationary work.
IMPLEMENT LIMITATIONS
24
BX1880, BX2380, BX2680
Implement weight list
ImplementRemarksBX1880BX2380 and BX2680
Max. cutting width
Mid-mount
Max. weight
Max. cutting width
Rotary-Cutter (1 Blade)
Max. weight
Mower
Max. cutting width
Rear-mount (2 or 3 Blade)
Max. weight
Flail-mowerMax. cutting width
Sickle barMax. cutting width
Max. tilling width
Rotary tiller
Max. weight
Bottom plowMax. size12 x 1 in.14 x 1 in.
Disc plowMax. size22 x 1 in.22 x 1 in.
CultivatorMax. size
Max. harrowing width
Disc harrow
Max. weight
SprayerMax. tank capacity
Front blade
Rear blade
Front loader
Box blade
Snow blower (Front)
Max. cutting width
Sub frameNecessaryNecessary
Max. cutting width
Max. weight
Max. lifting capacity
(Bucket pivot pin, Max.
height)
Max. width
Max. cutting width
Max. weight
Max. working width
137 cm
(54 in.)
95 kg
(210 lbs.)
107 cm
(42 in.)
159 kg
(350 lbs.)
122 cm
(48 in.)
220 kg
(486 lbs.)
107 cm
(42 in.)
122 cm
(48 in.)
107 cm
(42 in.)
183 kg
(404 lbs.)
122 cm
(48 in.)
1 Row
122 cm
(48 in.)
191 kg
(421 lbs.)
150 L
(40 U.S.gals.)
137 cm
(54 in.)
152 cm
(60 in.)
112 kg
(248 lbs.)
*1
335 kg
(739 lbs.)
122 cm
(48 in.)
152 cm
(60 in.)
170 kg
(375 lbs.)
127 cm
(50 in.)
152 cm
(60 in.)
134 kg
(295 lbs.)
122 cm
(48 in.)
181 kg
(400 lbs.)
152 cm
(60 in.)
262 kg
(577 lbs.)
107 cm
(42 in.)
122 cm
(48 in.)
127 cm
(50 in.)
197 kg
(435 lbs.)
122 cm
(48 in.)
1 Row
122 cm
(48 in.)
249 kg
(549 lbs.)
150 L
(40 U.S.gals.)
152 cm
(60 in.)
152 cm
(60 in.)
112 kg
(248 lbs.)
335 kg
(739 lbs.)
122 cm
(48 in.)
152 cm
(60 in.)
170 kg
(375 lbs.)
127 cm
(50 in.)
*1
(Continued)
IMPLEMENT LIMITATIONS
BX1880, BX2380, BX2680
25
ImplementRemarksBX1880BX2380 and BX2680
Snow blower (Front)
Max. weight
160 kg
(353 lbs.)
Sub frameNecessaryNecessary
Post hole diggerDigging depth
Rotary broomCleaning width
Max. load capacity
114 cm
(45 in.)
119 cm
(47 in.)
*2
800 kg
(1765 lbs.)
Trailer
Max. weight
1100 kg
(2425 lbs.)
NOTE :
• Y
ou cannot attach backhoes to the tractor.
• Implement size may vary depending on soil operating conditions.
*1 The valve contains the weight of KUBOTA standard bucket.
*2 Reduce speed and trailer loads when operating in slippery conditions or when operating on slopes and using front wheel drive.
160 kg
(353 lbs.)
114 cm
(45 in.)
119 cm
(47 in.)
800 kg
(1765 lbs.)
1100 kg
(2425 lbs.)
*2
IMPLEMENT LIMITATIONSFRONT LOADER
26
BX1880, BX2380, BX2680
FRONT LOADER
Check fixation points on the body of the tractor where
the front loader must be installed.
Install the front loader frame to the frame of the tractor
as shown in the following figures.
LocationBolt/NutRequired Torque
Main framesM14 bolts or nuts
147 N⋅m
(15.0 kgf⋅m)
[108 lbf⋅ft]
WEIGHT OF THE IMPLEMENTS
AS THE REAR BALLAST
WARNING
To avoid serious injury or death:
• For tractor stability and operator's safety, the
rear ballast should be added to the rear of the
tractor in the form of 3-point counter weight and
the rear wheel ballast. The amount of the rear
ballast will depend on the application.
(1) 6-M14 bolts
DANGER
To avoid personal injury or death:
• Make special attention when lifting the load,
keep the bucket correctly positioned to prevent
spillages.
IMPORTANT :
• Not all risks are listed.
• Refer to the front loader operator’s manual.
Implement as Counter Weight
Box Blade
Rear Blade
Approx. 190 kg (420 lbs.)
Rotary Tiller
Ballast Box
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