Part of the Kubota Repair Manuals.
This is the Kubota factory Workshop Manual for the L39 tractor, the TL1000 front loader, and the BT1000 backhoe. Built around the D1803-M-E2-TLB diesel, it runs 543 pages split into General, Mechanism, and Servicing coverage for every part of the tractor-loader-backhoe package.
The manual works through the engine, clutch, transmission, rear and front axles, brakes, steering, and the hydraulic system, then dedicates full sections to the front loader and the backhoe. Each area pairs how the system is built and functions with troubleshooting charts, factory specifications, allowable limits, and tightening torques.
Use it to diagnose a tractor that stalls in gear, weak loader lift, a backhoe hydraulic fault, or a clutch that needs rebuilding, following the wiring diagrams and step-by-step disassembly instead of guessing. It ships as a downloadable, printable PDF you can keep at the machine or on the bench.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| G General | Tractor Identification, Model Name and Serial Numbers, E2 Engine, Cylinder Number, General Precautions, Wiring, Battery, Fuse | |
| P Preparation | Separating Front Loader Assembly, Hydraulic Hoses, Front Loader Assembly, Separating Canopy, Battery, Canopy Assembly, Front Frame, Rear Wheel | |
| Engine | Engine Body, Piston, Half-Floating Head Cover, Cooling System, Bottom Bypass System, Fuel System, Lubricating System, Separating Engine From Tractor | |
| Clutch | Propeller Shaft, Clutch Housing, Engine, Clutch Disc, Pressure Plate Assembly, Flywheel, Thrust Ball Bearing | |
| Transmission | Characteristic and System Outline, Power Train, Electrical Control System, Construction and Function Components, Electrical Control, Hydraulic Control System, Hydraulic Circuit and System Outline, Construction and Function of Components | |
| Rear Axle | Differential Gear Shaft, Brake Case, Brake Disc, Differential Pinion, Ring Gear, Final Gear, Differential Lock Shifter | |
| Brakes | Linkage, Operation, Brake Pedal, Brake Case | |
| Front Axle | Propeller Shaft, Front Wheel, Steering Cylinder, Bevel Gear Case, Front Gear Case, Axle Flange, Bevel Gear | |
| Steering | Hydraulic Circuit, Steering Controller, Steering Cylinder, Steering Linkage | |
| Hydraulic System | Hydraulic Circuit, Function of Component Parts, Hydraulic Pump, Position Control Linkage, Directional Valve, Relief Valve, Hydraulic Cylinder, Others | |
| Electrical System | Wiring Diagram, Diagram, Electronic Control Panel, System Outline and Electrical Circuit, Construction and Function of Components, Control System, Starting System, Operator Presence Control | |
| Front Loader | Hydraulic System, Operation, Overload Relief Valve, Boom Cylinder and Bucket Cylinder, Front Loader Identification, General Precaution, Lubricants, Maintenance Check List | |
| Backhoe | Hydraulic System, Hydraulic Circuit, Control Valve, Hydraulic Cylinder, Backhoe Identification, General Precautions, Lubricants, Maintenance Check List |
Every system also includes tightening torques and troubleshooting.
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| BT1000 | ||
| Backhoe main frame mounting pins torque | Not explicitly found with a numerical value for the main attachment pins of the backhoe to the tractor frame. The manual describes the mounting process but does not specify a torque for these pins. | p. 526 |
| L39 | ||
| Clutch Pedal Free play (Factory Spec) | 20 to 30 mm (0.79 to 1.18 in.) | p. 152 |
| Clutch Disc Boss to Gear Shaft Backlash (Allowable Limit) | 2.0 mm (0.079 in.) | p. 152 |
| Gear to Spline Clearance (Factory Spec) | 0.030 to 0.078 mm (0.00118 to 0.00307 in.) | p. 193 |
| Gear to Spline Clearance (Allowable Limit) | 0.2 mm (0.008 in.) | p. 193 |
| Engine gross power | 29.1 kW (39 HP) | p. 9 |
| All Models | ||
| Fuel tank capacity | 40 L | p. 22 |
| Engine crankcase (with filter) capacity | 5.7 L | p. 22 |
| Transmission case capacity | 43 L | p. 22 |
| Front axle case capacity | 6.5 L | p. 22 |
| General screw/bolt tightening torque (M10, 4T) | 39.3 to 45.1 N·m | p. 23 |
| Clutch pedal free travel | 20 to 30 mm | p. 152 |
