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 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), L3240-3 | 5.7 L (6.0 U.S.qts, 5.0 Imp.qts) | p. 30 |
| L3540-3 | ||
| Engine oil capacity (with filter), L3540-3 | 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), L4240-3 | 8.2 L | p. 16 |
| L3240-3, L3540-3 | ||
| Transmission Fluid Capacity | 42 L | p. 15 |
