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Kubota L5740 - User Manual

Kubota L5740
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TRACTOR
OPERATOR'S MANUAL
MODELS L3240áL3540áL3940
L4240áL4740áL5040
L5240áL5740
English (Australia)
Code No. TD170-1974-2

Table of Contents

Other manuals for Kubota L5740

Preview: Workshop Manual
Workshop Manual666 pages

Questions and Answers

  • W
    Walter Wallace MDAug 20, 2025
    Why is my Kubota L5740 engine difficult to start?
    • G
      gschwartzAug 20, 2025
      There are several reasons why your Kubota Tractor engine might be hard to start. It could be due to no fuel flow, so check the fuel tank and fuel filter, replacing the filter if needed. Air or water in the fuel system could also be the cause; ensure the fuel line coupler bolt and nut are tight. In cold weather, the oil viscosity increases, slowing the engine revolution; use oils of different viscosities or consider using an engine block heater. A weak battery can also prevent the engine from turning over quickly enough; clean the battery cables and terminals, charge the battery, and in cold weather, remove the battery, charge it, and store it indoors, installing it only when you're ready to use the tractor.
  • B
    Brian YatesAug 22, 2025
    What to do if Kubota L5740 Tractor engine overheats?
    • G
      Gregory KellerAug 22, 2025
      If your Kubota Tractor engine overheats, several factors could be responsible. The engine may be overloaded, in which case you should shift to a lower gear or reduce the load. The coolant level might be low, so fill the cooling system to the correct level and check for leaks in the radiator and hoses. A loose or defective fan belt can also cause overheating, so adjust or replace the fan belt. A dirty radiator core or grille screens can restrict airflow; remove any debris. Finally, a corroded coolant flow route can impede cooling, so flush the cooling system.
  • K
    Kelsey HoustonAug 25, 2025
    Why are the exhaust fumes colored on my Kubota L5740?
    • R
      Rebecca JonesAug 25, 2025
      Colored exhaust fumes from your Kubota Tractor can indicate different issues. Black fumes suggest you should change the fuel and fuel filter, check the oil level, and clean or replace the air filter element. Blue-white fumes indicate you should heat the muffler by applying a load to the engine, check the injection nozzle, and change the fuel and fuel filter.
  • H
    Howard WilsonAug 27, 2025
    Why is black smoke coming from my Kubota L5740 Tractor?
    • K
      kimberlyalvaradoAug 28, 2025
      If you notice black or dark gray exhaust gas from your Kubota Tractor, it could be due to several reasons. You might be overloading the tractor, so lessen the load. Using low-grade fuel can also cause this issue, so switch to the specified fuel. A clogged fuel filter or air cleaner could also be the culprit; change the fuel filter and clean or change the air cleaner. Finally, deficient nozzle injection can lead to this problem, so consider repairing or replacing the nozzle.
  • D
    David SantosAug 29, 2025
    Why does my Kubota L5740 Tractor have insufficient engine power?
    • C
      Christopher CollinsAug 29, 2025
      Insufficient engine power in your Kubota Tractor can stem from a couple of issues. You might have insufficient or dirty fuel, so it's wise to check the fuel system. Alternatively, a clogged air cleaner could be the culprit; in this case, clean or replace the air cleaner element.
  • R
    Richard WilliamsAug 31, 2025
    How to fix Kubota L5740 engine overheating?
    • J
      Julie MartinAug 31, 2025
      If your Kubota Tractor engine is overheating, several factors could be responsible. Ensure you have sufficient engine oil and coolant; replenish if necessary. Check the fan belt for breakage or elongation, and change or adjust it accordingly. Clean any dust from the radiator net and fins. If the inside of the radiator or the coolant flow route is corroded, clean or replace them. A defective radiator cap should also be replaced. Avoid overload running by loosening the load. Other potential causes include a defective head gasket (replace), incorrect injection timing (adjust), or using unsuitable fuel (use the specified fuel).
  • K
    Kevin BaldwinSep 2, 2025
    What to do if Kubota L5740 Tractor starter does not run?
    • J
      Jennifer RossSep 2, 2025
      If your Kubota Tractor starter does not run, several issues could be the cause. A discharged battery is a common reason, so charge it. The starter itself might be malfunctioning, requiring repair or replacement. Check the main switch, safety switches, and starter relay for defects, and repair or replace as needed. Also, inspect the wiring and electronic instrument panel connector for disconnections, and connect them if found.
  • R
    Robin StarkSep 4, 2025
    Why is my Kubota L5740 power output deficient?
    • K
      Kimberly MorganSep 4, 2025
      If you're experiencing deficient output from your Kubota Tractor, several factors could be the cause. Check for incorrect injection timing and adjust if necessary. The engine's moving parts might be seizing, requiring repair or replacement. Uneven fuel injection could be due to a malfunctioning injection pump, so repair or replace it. Deficient nozzle injection can also cause this issue, so repair or replace the nozzle. Finally, a compression leak could be the problem; replace the head gasket and tighten the cylinder head bolt, glow plug, and nozzle holder.
  • K
    kurtthorntonSep 6, 2025
    Why is the engine revolution not smooth on my Kubota L5740 Tractor?
    • E
      Erin ValenciaSep 6, 2025
      If your Kubota Tractor engine revolution is not smooth, it could be due to a clogged or dirty fuel filter (change it) or a clogged air cleaner (clean or change it). A fuel leak from a loose injection pipe retaining nut can also cause this, so tighten the nut. Other potential causes include a malfunctioning injection pump (repair or replace), incorrect nozzle injection pressure (adjust), a stuck or clogged injection nozzle (repair or replace), or a malfunctioning governor (repair).
  • A
    allenlisaSep 8, 2025
    Why is there white or blue exhaust gas from my Kubota L5740?
    • P
      Paige BoyerSep 8, 2025
      If you observe white or blue exhaust gas from your Kubota Tractor, it could be due to excessive engine oil (reduce to the specified level), worn or stuck piston rings and cylinder (repair or replace), incorrect injection timing (adjust), or deficient compression (adjust).

Summary

SAFE OPERATION

BEFORE OPERATING THE TRACTOR

Understand equipment limitations and read manual.

OPERATING THE TRACTOR

Safe operation procedures including starting, working, and child safety.

Operating on Slopes

Precautions for safe operation on slopes and rough terrain.

Driving the Tractor on the Road

Safety guidelines and precautions for road operation.

DANGER, WARNING AND CAUTION LABELS

SPECIFICATIONS

SPECIFICATION TABLE [HST Type]

Technical data for HST models.

SPECIFICATION TABLE [GST Type]

Technical data for GST models.

SPECIFICATION TABLE [Manual Transmission Type]

Technical data for manual transmission models.

TRAVELING SPEEDS

HST Type

Traveling speeds for HST models at rated engine rpm.

GST Type

Traveling speeds for GST models at rated engine rpm.

Manual Transmission Type

Traveling speeds for manual transmission models.

INSTRUMENT PANEL AND CONTROLS

Instrument Panel, Switches and Hand Controls

Identifies controls on the instrument panel and steering column.

Foot and Hand Controls

Identifies foot and hand operated controls on the tractor.

PRE-OPERATION CHECK

DAILY CHECK

Routine checks to perform before operating the tractor.

OPERATING THE ENGINE

STARTING THE ENGINE

Step-by-step procedure for starting the tractor engine.

Check Easy Checker(TM) Lamps

Explanation of dashboard warning lights and indicators.

COLD WEATHER STARTING

Procedures for starting the engine in cold temperatures.

STOPPING THE ENGINE

WARMING UP

Procedures for warming up the engine after starting.

JUMP STARTING

OPERATING THE TRACTOR

OPERATING NEW TRACTOR

Break-in procedures for a new tractor.

OPERATING FOLDABLE ROPS (if equipped)

Safety and procedures for operating foldable ROPS.

To Fold the ROPS

Step-by-step instructions to fold the ROPS.

To Raise the ROPS to Upright Position

Step-by-step instructions to raise the ROPS.

Operators Seat

Seat Belt

Tilt Steering Adjustment

Light Switch

Turn Signal; Hazard Light Switch

Brake Pedals (Right and Left)

Clutch Pedal

Selecting the Travel Speed

HST Response Control Dial

How to adjust the tractor's response.

H-DS (Hydro Dual Speed) Lever

How to change speed stages with the H-DS lever.

HST Mode Select Switch

How to choose operating modes for HST.

Range Gear Shift Lever (L-M-H)

Front Wheel Drive Lever

Hand Throttle Lever

How to adjust engine speed with the hand throttle.

Parking Brake Lever

How to release the parking brake.

Speed Control Pedal

Cruise Control Lever

How to engage and disengage cruise control.

Shuttle Shift Lever

Main Gear Shift Lever

Creep Gear Shift Lever (if equipped)

HYDRAULIC UNIT

3-Point Hitch Control System

Controls for the 3-point hitch.

Position Control

Controls implement depth regardless of pull.

Draft Control (if equipped)

Controls implement pull based on load.

TIRES, WHEELS AND BALLAST

TIRES

Information regarding tires.

Inflation Pressure

Recommended tire inflation pressures.

WHEEL ADJUSTMENT

Adjusting wheel tread.

Front Wheels (with two wheel drive)

Adjusting front wheel tread on 2WD.

MAINTENANCE

SERVICE INTERVALS

Schedule for performing maintenance tasks.

LUBRICANTS

Recommended lubricants for various tractor components.

PERIODIC SERVICE

HOW TO OPEN THE HOOD

Steps to open the tractor hood.

DAILY CHECK

Routine checks to perform before operating the tractor.

EVERY 100 HOURS

Maintenance tasks to be performed every 100 hours.

EVERY 200 HOURS

Maintenance tasks to be performed every 200 hours.

SERVICE AS REQUIRED

Bleeding Fuel System

Procedures for bleeding the fuel system.

Draining Clutch Housing Water

Draining water from clutch housing.

Replacing Fuse

STORAGE

TRACTOR STORAGE

Procedures for storing the tractor.

REMOVING THE TRACTOR FROM STORAGE

Procedures for taking the tractor out of storage.

TROUBLESHOOTING

ENGINE TROUBLESHOOTING

Troubleshooting common engine problems.

HST (Hydrostatic Transmission) TROUBLESHOOTING

Troubleshooting HST system issues.

GST (Glide Shift Transmission) TROUBLESHOOTING

Troubleshooting GST system issues.

UNIVERSAL SYMBOLS

SAFETY FIRST

General Safety Precautions

Covers safe operation, parking, servicing, and PTO use.

DANGER, WARNING AND CAUTION LABELS

Explains the meaning of hazard labels on the tractor.

Tires, Wheels and Ballast Safety

Safety considerations for tires, wheels, and ballast.

Kubota L5740 Specifications

General IconGeneral
Engine TypeDiesel
Wheelbase74.6 inches
Drive4WD
Engine Power57 HP
TransmissionHydrostatic
Fuel Capacity14.5 gal
3-Point HitchCategory I
Displacement148.5 cu in
Number of Gears3 ranges
Tire Size (Front)8.3-16

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