Kubota WSM L4400 Workshop Manual
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Kubota WSM L4400 Workshop Manual

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WORKSHOP MANUAL
TRACTOR
L4400
KiSC issued 04, 2006 A

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Summary of Contents for Kubota WSM L4400

  • Page 1 WORKSHOP MANUAL TRACTOR L4400 KiSC issued 04, 2006 A...
  • Page 2 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. December 2004 KUBOTA Corporation 2004 0000008314E KiSC issued 04, 2006 A Find manuals at https://best-manuals.com...
  • Page 3 L4400, WSM SAFETY INSTRUCTIONS 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.
  • Page 4 L4400, WSM SAFETY INSTRUCTIONS SAFETY WORKING Do not work on the machine while under the influence of alcohol, medication, or other substances or while fatigued. Wear close fitting clothing and safety equipment appropriate to the job. Use tools appropriate to the work. Makeshift tools, parts, and procedures are not recommended.
  • Page 5 L4400, WSM SAFETY INSTRUCTIONS VENTILATE WORK AREA If the engine must be running to do some work, make sure the area is well ventilated. Never run the engine in a closed area. The exhaust gas contains poisonous carbon monoxide. 0000000757E PREVENT ACID BURNS Sulfuric acid in battery electrolyte is poisonous.
  • Page 6 L4400, WSM SAFETY INSTRUCTIONS SAFETY DECALS 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. 0000006792E KiSC issued 04, 2006 A Find manuals at https://best-manuals.com...
  • Page 7 L4400, WSM SAFETY INSTRUCTIONS 0000006767E KiSC issued 04, 2006 A Find manuals at https://best-manuals.com...
  • Page 8 L4400, WSM SAFETY INSTRUCTIONS 0000000762E KiSC issued 04, 2006 A Find manuals at https://best-manuals.com...
  • Page 9 SPECIFICATIONS SPECIFICATIONS L4400 Model PTO power kW (HP) / rpm 28.0 (37.5) / 2600 Maker KUBOTA Model V2203-M-E2A Type Indirect injection, vertical, water-cooled 4 cycle diesel Number of cylinders Bore and stroke mm (in) 87 X 92.4 (3.4 X 3.6) Total displacement L (cu.in.)
  • Page 10 L4400, WSM SPECIFICATIONS L4400 Model 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 Hydraulic unit At lift points kg (lbs) 1300 (2870) Max.
  • Page 11 L4400, WSM SPECIFICATIONS DIMENSIONS 0000006016E KiSC issued 04, 2006 A...
  • Page 12 GENERAL KiSC issued 04, 2006 A...

  • Page 13: Table Of Contents

    CONTENTS 1. TRACTOR IDENTIFICATION.....................G-1 2. GENERAL PRECAUTIONS....................G-2 3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING......G-3 [1] WIRING..........................G-3 [2] BATTERY ..........................G-5 [3] FUSE ..........................G-5 [4] CONNECTOR ........................G-5 [5] HANDLING OF CIRCUIT TESTER.................G-7 4. LUBRICANTS, FUEL AND COOLANT................G-8 5. TIGHTENING TORQUES ....................G-9 6.

  • Page 14: Tractor Identification

    L4400, WSM GENERAL 1. TRACTOR IDENTIFICATION (1) Tractor Identification Plate (3) Engine Serial Number (2) Tractor Serial Number (4) Hour Meter 0000008221E KiSC issued 04, 2006 A...

  • Page 15: General Precautions

    Remove oil and dirt from parts before measuring. Use only KUBOTA genuine parts for parts replacement to maintain machine performance and to assure safety. Gaskets and O-rings must be replaced during reassembly.

  • Page 16: Handling Precautions For Electrical Parts And Wiring

    L4400, WSM GENERAL 3. HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING To ensure safety and prevent damage to the machine and surrounding equipment, heed the following precautions in handling electrical parts and wiring. Check electrical wiring for damage and loosened connection every year.
  • Page 17 L4400, WSM GENERAL Securely clamp, being careful not to damage wiring. (1) Clamp (3) Clamp *Wind Clamp Spirally (4) Welding Dent (2) Wire Harness 0000000617E Clamp wiring so that there is no twist, unnecessary sag, or excessive tension, except for movable part, where sag be required.

  • Page 18: Battery

    L4400, WSM GENERAL [2] BATTERY Take care not to confuse positive and negative terminal posts. When removing battery cables, disconnect negative cable first. When installing battery cables, check for polarity and connect positive cable first. Do not install any battery with capacity other than is specified (Ah).
  • Page 19 L4400, WSM GENERAL In separating connectors, do not pull wire harnesses. Hold connector bodies to separate. (A) Correct (B) Incorrect 0000000624E Use sandpaper to remove rust from terminals. Repair deformed terminal. Make certain there is no terminal being exposed or displaced. (1) Exposed Terminal (3) Sandpaper (2) Deformed Terminal...

  • Page 20: Handling Of Circuit Tester

    L4400, WSM GENERAL [5] HANDLING OF CIRCUIT TESTER Use tester correctly following manual provided with tester. Check for polarity and range. 0000000628E KiSC issued 04, 2006 A...

  • Page 21: Lubricants, Fuel And Coolant

    40 L Transmission case 10.6 U.S.gals KUBOTA UDT or SUPER UDT fluid* 8.8 lmp.gals 6.5 L KUBOTA UDT or SUPER UDT fluid or Front axle case 6.9 U.S.qts SAE 80 -SAE 90 gear oil 1.4 Imp.qts Greasing No. of greasing points...

  • Page 22: Tightening Torques

    L4400, WSM GENERAL 5. TIGHTENING TORQUES Screws, bolt and nuts whose tightening torque are not specified in this Workshop Manual should be tightened according to the table below. Indication on top of No-grade or 4T bolt Material of bolt SS400, S20C S43C, S48C SCr435, SCM435 Material of...

  • Page 23: Maintenance

    L4400, WSM GENERAL 6. MAINTENANCE Period Refer Indication on hour meter After -ence since 150 200 250 300 350 400 450 500 550 600 650 700 Item page every Engine oil Change G-13 100Hr every Engine oil filter Replace G-14 200Hr Hydraulic oil every...
  • Page 24 *4 : When the battery is used for less than 100 hours per year, check the battery condition by reading the indication annually. The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA nonroad emission regulation.

  • Page 25: Check And Maintenance

    L4400, WSM GENERAL 7. CHECK AND MAINTENANCE Be sure to check and service the tractor on a flat place with engine shut off, the parking brake on and chock the wheels. 0000005030E [1] DAILY CHECK To prevent trouble from occurring, it is important to know the condition of the tractor. Check the following items before starting.

  • Page 26: Check Points Of Initial 50 Hours

    L4400, WSM GENERAL [2] CHECK POINTS OF INITIAL 50 HOURS Changing Engine Oil Before changing oil, be sure to stop the engine. 1. Start and warm up the engine for approx. 5 minutes. 2. Place an oil pan underneath the engine. 3.
  • Page 27 3. Drain the transmission fluid. 4. After draining, reinstall the drain plugs (1). 5. Fill with the new KUBOTA SUPER UDT fluid up to the upper line of the gauge (2). 6. After running the engine for a few minutes, stop it and check the fluid level again, if low, add fluid prescribed level (A).
  • Page 28 5. Fill with the new oil up to the check plug (2) port. 6. After filling, reinstall the check plug (2) and filling port plug. Use KUBOTA SUPER UDT fluid or SAE 80, 90 gear oil. Refer to "LUBRICANTS, FUEL AND COOLANT". (See page G-8.)
  • Page 29 L4400, WSM GENERAL Adjusting Clutch Pedal Free Play 1. Slightly depress the clutch pedal (5) and measure free travel on top of clutch pedal. 2. If the measurement is not within the factory specifications, loosen the lock nut (2), remove the cotter pin (3) and the clevis pin (4), then adjust the length of rod (1) within acceptable limits.
  • Page 30 L4400, WSM GENERAL Greasing (Continued) 1. Apply a grease to the following position as figures. Apply a small amount of multipurpose grease to the following points every 50 hours. If you operated the machine in extremely wet and muddy conditions, lubricate grease fittings more often. When apply a grease to the front axle support, remove the breather plug and apply a grease until grease overflows from breather plug.
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