This is the factory Kubota Workshop Manual (publication 9Y111-06241) for the L3240-3, L3540-3, L4240-3, L5240-3, and L5740-3 Grand L series tractors. Its 615 pages cover the Kubota diesel engines used across the range, including the D1703-M, D1803-M, V2203-M, and V2403-M variants in both manual transmission and hydrostatic transmission models.Every major system is documented: engine, clutch, transmission, front and rear axle, brakes, steering, the three-point hydraulic system, the electrical system with its electronic control panel, and the cabin air conditioning system. You get structure and mechanism explanations alongside troubleshooting, servicing specifications, tightening torques, and checking and adjusting procedures, plus wiring diagrams and per-model fluid capacities.Built for owners and independent shops, this PDF puts the manufacturer service data for all five L series models in one file. Instant download after purchase.
What's Inside This Kubota L3240–L5740 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 4-20 | Operating Safety Precautions, Warning Decals, And Specifications |
| General | 21-97 | Tractor Identification (Model Name and Serial Numbers), Handling Precautions for Electrical Parts and Wiring (Battery, Fuse, Connector, Handling of Circuit Tester, Color of Wiring) |
| Engine | 98-181 | Engine Body (Piston, Built-In Dynamic Balancer, Half-Floating Head Cover), Cooling System (Bottom Bypass System), Fuel System (Governor), Turbocharger System (Boost Compensator) |
| Clutch | 182-210 | Manual Transmission Model, HST Model, Preparation, Clutch Drags, Clutch Slips, Chattering, Rattle During Running, Clutch Squeaks |
| Transmission | 211-337 | Structure (Manual Transmission Model, Hydrostatic Transmission Model), Manual Transmission Model (Power Train for Traveling Gear, Shift Linkage Mechanism) |
| Rear Axle | 338-349 | For L3240, L3540, L4270, Then the Power Is Transmitted to the Axle (1), For L4240, L5240 and L5740, Preparation, Separating Front Axle Assembly |
| Brakes | 350-366 | Operation, During Braking, Brake Pedal, Brake Case, Uneven Braking Force, Brake Drags, Poor Braking Force, Cam Plate |
| Front Axle | 367-391 | For L3240, L3540, Then the Power Is Transmitted to the Axle (1), For L4240, L5240 and L5740, Separating Front Axle Assembly, Disassembling Front Axle, Front Wheels Wander to Right or Left |
| Steering | 392-408 | Mechanism, Structure, Hydraulic Circuit, Hydraulic Pump, Steering Controller, Steering Cylinder, Servicing, Troubleshooting |
| Hydraulic System | 409-460 | Structure (Manual Transmission, Hydrostatic Transmission), Hydraulic Circuit (Manual Transmission, Hydraulic Pump |
| Electrical System | 461-559 | Wiring Diagram, Electronic Control Panel (System Outline and Electrical Circuit, Construction and Function of Components, Basic Control System, Assistant Control System) |
| Cabin | 560-615 | Air Conditioner System (Outline of Air Conditioning System, System Control, Electrical System) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| L3240-3 | ||
| Engine oil capacity (with filter) | 5.7 L (6.0 U.S.qts, 5.0 Imp.qts) | p. 30 |
| L3540-3 | ||
| Engine oil capacity (with filter) | 6.7 L (7.1 U.S.qts, 5.9 Imp.qts) | p. 30 |
| All Models | ||
| Engine oil change interval | every 200 Hr | p. 35 |
| Engine oil filter replacement interval | every 200 Hr | p. 35 |
| General Use Screws, Bolts and Nuts (M6, No-grade or 4T) | 7.9 to 9.3 N·m | p. 33 |
| General Use Screws, Bolts and Nuts (M8, No-grade or 4T) | 18 to 20 N·m | p. 33 |
| Clutch Pedal Free Travel | 20 to 30 mm | p. 41 |
| Brake Pedal Free Travel | 15 to 20 mm | p. 41 |
| Fan Belt Tension (deflection) | 7.0 to 9.0 mm | p. 49 |
| Engine Oil Pressure (at idle speed) | 98 kPa or more | p. 117 |
| L4240-3 | ||
| Engine Oil Capacity (with filter) | 8.2 L | p. 16 |
| L3240-3, L3540-3 | ||
| Transmission Fluid Capacity | 42 L | p. 15 |
Kubota L3240–L5740 Series Common Problems This Manual Covers
Diesel hard to start or low on power
Hard starting or lost power on these L series engines usually traces to the fuel system, governor, or turbocharger on the V2403-M. The engine section covers the engine body, fuel system, and cooling system with the checks to find the fault.
Manual Section: Engine p. 98HST or gear transmission slips
Weak drive or creeping on hydrostatic models, and hard shifting on manual models, are diagnosed through the transmission section, which details the power train and shift linkage for both transmission types.
Manual Section: Transmission p. 211Clutch drag or heavy pedal
A clutch that drags or will not fully release points to pedal free travel or a worn disc. The clutch section provides troubleshooting, specifications, and checking and adjusting steps.
Manual Section: Clutch p. 182Heavy or unresponsive steering
Increased steering effort often comes from the hydraulic pump, steering controller, or cylinder. The steering section covers the hydraulic circuit, pump, controller, and cylinder servicing.
Manual Section: Steering p. 392Three-point hitch lifts slowly
A hitch that is slow or will not hold usually means pump wear or a hydraulic circuit fault. The hydraulic system section maps the structure and circuit for both manual and hydrostatic transmission models.
Manual Section: Hydraulic System p. 409Electronic control panel warnings
Fault lights or erratic control behavior are worked through the electrical section, which explains the electronic control panel system outline, components, and the basic and assistant control systems.
Manual Section: Electrical System p. 461Cabin air conditioner not cooling
Poor cooling or no airflow on cabin models is traced through the cabin section, which covers the air conditioner system outline, system control, and electrical system.
Manual Section: Cabin p. 560Frequently Asked Questions
Which models does this manual cover?
It covers five Kubota Grand L series tractors: the L3240-3, L3540-3, L4240-3, L5240-3, and L5740-3, in manual and hydrostatic transmission versions.
Which engines are documented?
The Engine section covers the Kubota D1703-M, D1803-M, V2203-M, and V2403-M diesel variants used across the range, including the turbocharger system on the V2403-M. p. 98
Does it include wiring diagrams and the control panel?
Yes. The Electrical System section provides the wiring diagram and full detail on the electronic control panel and its control systems. p. 461
Does it cover the cabin air conditioning system?
Yes. The Cabin section documents the air conditioner system, its control, and its electrical system for cabin-equipped tractors. p. 560
How will I receive this Kubota L3240–L5740 Series Workshop Manual?
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Is this Kubota L3240–L5740 Series Workshop Manual printable?
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