This Kubota Service Manual covers the L3240-3, L3540-3, L3940-3, L4240-3, L4740-3, L5040-3, L5240-3 and L5740-3 compact utility tractors, built around Kubota's D1703-M-E3, D1803-M-E3, V2003-M-E3, V2203-M-E3, V2403-M-E3 and V2403-M-TE3 diesel engines. It runs 706 pages in English (publication 9Y111-03690) and gives servicing specifications, tightening torques and step by step disassembly and assembly procedures.
The manual is organized by system: engine, clutch, transmission, rear axle, brakes, front axle, steering, hydraulics, electrical and cabin. Owners and independent mechanics can diagnose faults, set clutch and brake free travel, rebuild major assemblies and confirm the correct fluid capacities and torque values for each model. It downloads as a fully searchable PDF you can read on any device or print by section.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| I Information | 3-25 | |
| G General | 26-105 | Tractor Identification, General Precautions, Handling Precautions for Electrical Parts and Wiring, Lubricants, Fuel and Coolant, Tires |
| Engine | 106-191 | EGR Valve, EGR Cooler, Cylinder Head, Timing Gears, Camshaft, Fuel Camshaft, Piston, Connecting Rod |
| Clutch | 192-218 | Clutch Pedal, Clutch Disc Boss, Clutch Disc, Diaphragm Spring, Pressure Plate, Release Holder, Clutch Lever |
| Transmission | 219-398 | Manual Transmission Model, Glide Shift Transmission (Gst) Model, Hydrostatic Transmission (HST) Model, PTO System, Shift Linkage Mechanism, Electrical Control System, Hydraulic Control System, Gst Clutch |
| Rear Axle | 399-410 | Preparation, Disassembling and Assembling |
| Brakes | 411-427 | Brake Case, Brake Cam Lever, Parking Brake Lever, Brake Pedal, Brake Rod, Brake Lever Link, Turnbuckle, Cam Plate |
| Front Axle | 428-458 | Propeller Shaft, Power Steering Hoses, Steering Cylinder, Axle Flange, Bevel Gear, Bevel Gear Shaft, Bevel Gear Case |
| Steering | 459-478 | Steering Wheel, Steering Joint Shaft, Hydraulic Pump, Steering Controller, Steering Cylinder, Tie-Rod, Piston Rod, Cylinder Tube |
| Hydraulic System | 479-533 | Hydraulic Pump, Three Point Hitch Hydraulic System, Front Loader Control Valve Assembly, Auxiliary Control Valve, Safety Valve, Hydraulic Cylinder, Rear Hydraulic Block |
| Electrical System | 534-647 | Wiring Diagram, Electronic Control Panel, Engine Starting System, Stopping System, Manual Transmission Model, Gst Model, HST Model, ROPS Type |
| Cabin | 648-706 | Air Conditioner System, Electrical System, Air Conditioner Relay, Blower Relays, Compressor Relay, Manifold Gauge Set, Refrigerant Charging Hose, Vacuum Pump Adaptor |
Every system also includes tightening torques and troubleshooting.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| L3240, L3540 | ||
| Fuel tank capacity (L3240, L3540) | 44 L (11.6 U.S.gals, 9.68 Imp.gals) | p. 36 |
| L3940, L4240 | ||
| Fuel tank capacity (L3940, L4240) | 50 L (13.2 U.S.gals, 11.0 Imp.gals) | p. 36 |
| L3240-3 | ||
| Engine Oil Capacity (with filter), L3240-3 | 5.7 L | p. 47 |
| L3540-3 | ||
| Engine Oil Capacity (with filter), L3540-3 | 6.7 L | p. 47 |
| L3940-3, L4240-3, L4740-3 | ||
| Engine Oil Capacity (with filter) (L3940-3, L4240-3, L4740-3) | 8.2 L | p. 47 |
| L5040-3, L5240-3, L5740-3 | ||
| Engine Oil Capacity (with filter) (L5040-3, L5240-3, L5740-3) | 9.4 L | p. 47 |
| L3240-3, L3540-3 | ||
| Fuel Tank Capacity (L3240-3, L3540-3) | 44 L | p. 46 |
| L3940-3, L4240-3 | ||
| Fuel Tank Capacity (L3940-3, L4240-3) | 50 L | p. 46 |
| L4740-3, L5040-3, L5240-3, L5740-3 | ||
| Fuel Tank Capacity (L4740-3, L5040-3, L5240-3, L5740-3) | 54 L | p. 46 |
| All Models | ||
| Clutch Pedal Free Travel | 20 to 30 mm | p. 49 |
| Brake Pedal Free Travel | 20 to 30 mm | p. 50 |
| Rear Wheel Mounting Screws and Nuts Torque | 215 N·m | p. 53 |












