Kubota WSM L4400 Instruction manual

WORKSHOP MANUAL
TRACTOR
L4400
KiSC issued 04, 2006 A

TO THE READER
This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism,
service and maintenance of L4400. It is divided into three parts, "General", "Mechanism" and "Servicing".
Information on the tractor identification, the general precautions, maintenance check list, check and maintenance
and special tools are described.
Information on the construction and function are included. This part should be understood before proceeding with
troubleshooting, disassembling and servicing.
Referto DieselEngine /Tractor Mechanism WorkshopManual (Code No. 97897-01872 /97897-18200) forthe one
which has not been described to this workshop manual.
Information on the troubleshooting, servicing specification lists, tightening torque, checking and adjusting,
disassembling and assembling, and servicing which cover procedures, precautions, factory specifications and
allowable limits.
All information, illustrations and specifications contained in this manual are based on the latest product information
available at the time of publication.
The right is reserved to make changes in all information at any time without notice.
KUBOTA Corporation 2004
B General
B Mechanism
B Servicing
December 2004
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KiSC issued 04, 2006 A
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L4400, WSM SAFETY INSTRUCTIONS
1
BEFORE SERVICING AND REPAIRING
A Read all instructions and safety instructions in this
manual and on your machine safety decals.
A Clean the work area and machine.
A Park the machine on a firm and level ground, and set
the parking brake.
A Lower the implement to the ground.
A Stop the engine, and remove the key
A Disconnect the battery negative cable
A Hang a "DO NOT OPERATE" tag in operator
station.
SAFETY STARTING
A Do not start the engine by shorting across starter
terminals or bypassing the safety start switch.
A Do not alter or remove any part of machine safety
system.
A Before starting the engine, make sure that all shift
levers are in neutral positions or in disengaged
positions.
A Never start the engine while standing on ground.
Start the engine only from operator's seat.
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 repair or use this unit.
A Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
A Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
A Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
A Indicates that equipment or property damage could result if instructions are not followed.
A Gives helpful information.
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KiSC issued 04, 2006 A
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L4400, WSM SAFETY INSTRUCTIONS
2
SAFETY WORKING
A Do not work on the machine while under the
influence of alcohol, medication, orothersubstances
or while fatigued.
A Wear close fitting clothing and safety equipment
appropriate to the job.
A Use tools appropriate to the work. Makeshift tools,
parts, and procedures are not recommended.
A When servicing is performed together by two or
more persons, take care to perform all work safely.
A Do not work under the machine that is supported
solely by a jack. Always support the machine by
safety stands.
A Do not touch the rotating or hot parts while the
engine is running.
A Never remove the radiator cap while the engine is
running, or immediately after stopping. Otherwise,
hot water will spout out from radiator. Only remove
radiator cap when cool enough to touch with bare
hands. Slowly loosen the cap to first stop to relieve
pressure before removing completely.
A Escaping fluid (fuel or hydraulic oil) under pressure
can penetrate the skin causing serious injury.
Relieve pressure before disconnecting hydraulic or
fuel lines. Tighten all connections before applying
pressure.
AVOID FIRES
A Fuel is extremely flammable and explosive under
certain conditions. Do not smoke or allow flames or
sparks in your working area.
A To avoid sparks from an accidental short circuit,
always disconnect the battery negative cable first
and connect it last.
A Battery gas can explode. Keep sparks and open
flame away from the top of battery, especially when
charging the battery.
A Make sure that no fuel has been spilled on the
engine.
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KiSC issued 04, 2006 A
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L4400, WSM SAFETY INSTRUCTIONS
3
VENTILATE WORK AREA
A If the engine mustbe runningto do somework, make
sure the area iswell ventilated.Never run the engine
in a closed area. The exhaust gas contains
poisonous carbon monoxide.
PREVENT ACID BURNS
A Sulfuric acid in battery electrolyte is poisonous. It is
strong enough to burn skin, clothing and cause
blindness if splashed into eyes. Keep electrolyte
away from eyes, hands and clothing. If you spill
electrolyte on yourself, flush with water, and get
medical attention immediately.
DISPOSE OF FLUIDS PROPERLY
A Do not pour fluids into the ground, down a drain, or
into a stream, pond, or lake. Observe relevant
environmental protection regulations when
disposing of oil, fuel, coolant, electrolyte and other
harmful waste.
PREPARE FOR EMERGENCIES
A Keep a first aid kit and fire extinguisher handy at all
times.
A Keep emergency numbers for doctors, ambulance
service, hospital and fire department near your
telephone.
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KiSC issued 04, 2006 A
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L4400, WSM SAFETY INSTRUCTIONS
4
The following safety decals are installed on the machine.
If a decal becomes damaged, illegible or is not on the machine, replace it. The decal part number is listed
in the parts list.
SAFETY DECALS
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KiSC issued 04, 2006 A
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L4400, WSM SAFETY INSTRUCTIONS
5
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L4400, WSM SAFETY INSTRUCTIONS
6
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L4400, WSM SPECIFICATIONS
7
SPECIFICATIONS
Model L4400
2WD 4WD
PTO power kW (HP) / rpm 28.0 (37.5) / 2600
Engine
Maker KUBOTA
Model V2203-M-E2A
Type Indirect injection, vertical, water-cooled 4 cycle diesel
Number of cylinders 4
Boreandstroke mm (in) 87 X 92.4 (3.4 X 3.6)
Totaldisplacement L(cu.in.) 2.197 (134.1)
Enginenetpower kW (HP) / rpm 32.1 (43.0) / 2600
Rated revolution rps (rpm) 43.3 (2600)
Maximumtorque (ft-lbs) 139.5 (102.9)
Battery 12 V, RC : 133 min, CCA : 582 A
Fuel Diesel fuel No.1 [below -10 (14 )]
Diesel fuel No.2 [above -10 (14 )]
Capacities
Fuel tank L (U.S.gals) 42 (11.1)
Engine crankcase (with filter) L (U.S.qts) 7.6 (8.0)
Engine coolant L (U.S.qts) 6.5 (6.9)
Transmission case L (U.S.gals) 40 (10.6)
Dimensions
Overalllength (without3p) mm(in.) 3115 (122.6) 3005 (118.3)
Overall width (min. tread) mm (in.) 1585 (62.4)
Overall height(with ROPS) mm (in.) 2170 (85.4)
Overall height (Top of steering wheel)
mm (in.) 1495 (58.9)
Wheel base mm (in.) 1850 (72.8) 1845 (72.6)
Min.groundclearance mm(in.) 385 (15.2)
Tread Front mm (in.) 1280 (50.4), 1380 (54.3),
1480 (58.3), 1580 (62.2) 1155 (45.5)
Rear mm(in.) 1180 (46.5), 1200 (47.2), 1300 (51.2), 1450 (57.1), 1545 (60.8)
Weight (with ROPS) kg (lbs) 1375 (3031) 1430 (3153)
Clutch Dry type single stage
Traveling system
Tires AG Front 7.5L - 15 8.3 - 16
AG Rear 14.9 - 24
Indust. (option) Front / Rear 10 - 16.5 / 17.5L - 24
Steering Hydrostatic power steering
Transmission Gear shift, 8 forward and 4 reverse
Brake Mechanical, wet disk type
Min.turning radius (with brake) m (feet) 2.6 (8.5)
KiSC issued 04, 2006 A
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L4400, WSM SPECIFICATIONS
8
NOTE : *Manufacturer's estimate
The company reserves the right to change the specifications without notice.
Hydraulic unit
Hydraulic control system Position control
Pump capacity (main) L /min (gal/min) 29.4 (7.8)
Pump capacity (PS) L /min (gal/min) 17.9 (4.7)
Three point hitch Category 1
Max. lift force At lift points kg (lbs) 1300 (2870)
24 in. behind lift
points kg (lbs) 1053 (2310)
System pressure MPa( )[psi] 17.7 (180) [2560]
PTO Rear PTO SAE 1-3/8, 6-splines
PTO/ Enginespeed rpm 540 / 2475
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Model L4400
2WD 4WD
KiSC issued 04, 2006 A
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