This is the factory Kubota service manual for the L2650WET, L2950WET, L3450WET, L3650WET, and L3650GST tractors, the wet clutch and GST models in the L series. It is built around the Kubota diesel engines D1402-DI-AE, D1462-DI-AE, V1902-DI-AE, and V1902-DI-X-AE-SC, and runs 394 pages.
Coverage is split into mechanism and servicing for each system: engine, wet clutch, transmission, rear axle, brakes, front axle, steering, hydraulics, and the electrical system, plus supplements for hydrostatic steering and the L3650GST. You get specifications, tightening torques, troubleshooting, and full disassembly, assembly, and servicing procedures. Whether you are chasing a GST shift complaint, restoring hydraulic lift, servicing the wet clutch, or diagnosing a charging fault, this PDF delivers the factory information an operator guide cannot.
What's Inside This Kubota L2650–L3650 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Intro | Specifications, Specifications L3450WET L3650WET, Hydraulic System and PTO Specifications, Overall Dimensions | |
| Mechanism | Transmission, Shifting Mechanism, Hydraulic System and Circuit Diagraming, Hydraulic Circuit Diagram and Oil Flow | |
| General | Tractor Identification, General Precautions, Lubricants, Tightening Torques (General Use Screws, Bolts and Nuts), Maintenance Check List, Check and Maintenance | |
| Seperation | Removing Steering Gear Box, Separating Front Axle, Separating Engine From Clutch Housing, Separating Engine, Separating Clutch Housing and Mid Case | |
| Sect 1 Engine | Disassembling and Assembling (Cylinder Head, Timing Gears, Crankcase, Injection Nozzle, Injection Pump, Radiator, Water Pump, Thermostat, Oil Filter, Oil Pump) | |
| Sect 2 Clutch | Basic Inspection, Wet Clutch | |
| Sect 3 Transmission | Disassembling and Servicing (Clutch Housing, Mid Case, Transmission Case), Troubleshooting, Servicing Specifications, Checking | |
| Sect 4 Rear Axle | Basic Inspection, Rear Axle, Differential Gear | |
| Sect 5 Brakes | Basic Inspection, Brake Pedal, Brake Case | |
| Sect 6 Front Axle | Basic Inspection, Structure, Front Wheel Alignment | |
| Sect 7 Steering | Disassembling and Assembling (Steering Controller), Disassembling and Servicing (Steering Post and Steering Gear, Power Steering), Troubleshooting (Basic Inspection) | |
| Sect 8 Hydraulic | Disassembling and Servicing (Hydraulic Pump, Oil Filter, Position Control Valve, Draft Control Valve, Relief Valve, Hydraulic Cylinder), Troubleshooting (Basic Inspection) | |
| Sect 8 Supplement Hydrostatic Steering | Steering (Hydraulic Circuit, Controller, Oil Flow, Cylinder) | |
| Sect 9 Electrical | Basic Inspection, Fuse Blown Frequently, Battery Discharges Too Quickly, Starter Motor Does Not Operate, Engine Key Switch Shut-Off System, Engine Does Not Start, Charging System, Lighting System | |
| Supplement L3650Gst | Specifications, Dimensions |
Every system also includes tightening torques.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic system reset procedure | Not found as a single 'reset' procedure. Bleeding procedure for power steering hydraulic system is described. | p. 263 |
| Cylinder head bolts torque | 83.4 to 88.3 N·m | p. 143 |
| Front wheel mounting bolt and nut torque | 124 to 147 N·m | p. 122 |
| Rear wheel mounting bolt and nut torque | 197 to 226 N·m | p. 122 |
| Front axle bracket mounting bolts Front (Thread size: 14 mm, 0.55 in. DIA.) torque | 123.6 to 147.1 N·m | p. 239 |
| Front axle bracket mounting bolts Rear (Thread size: 12 mm, 0.47 in. DIA.) torque | 103.0 to 117.7 N·m | p. 239 |
| Clutch Pedal Free play | 20 to 30 mm | p. 191 |
| Clutch Brake Disc Thickness | 1.9 to 2.1 mm | p. 191 |
| Clutch Housing Gear Backlash | 0.1 to 0.2 mm | p. 199 |
| Clutch Housing Shift Fork to Shifter Groove Clearance | 0.20 to 0.40 mm | p. 199 |
| Oil filter degree of filtration | 150 mesh | p. 50 |
| Hydraulic Pump Delivery at No Pressure | 29.5 ℓ/min | p. 275 |
