This is the factory workshop manual for the Kubota B26 tractor, TL500 front loader and BT820 backhoe, publication 9Y111-00042, built around the D1105 diesel engine. Its 448 pages treat the tractor, loader and backhoe as one machine, with General, Mechanism and Servicing coverage for each system.
You get engine troubleshooting and servicing specs, the HST transmission and hydraulic circuits, rear and front axles, brakes, power steering, the full hydraulic system, the electrical system with wiring diagrams and OPC safety circuit, plus dedicated front loader and backhoe sections covering their control valves, relief valves and cylinders.
It is the reference for real repair work: tightening torques, clearances, disassembly and assembly, checking and adjusting. Owners and independent mechanics use it to diagnose faults and rebuild components correctly. Download the PDF after purchase and print the procedures you need in the shop.
Complete the set for your B26, TL500, BT820
- Parts Catalog: Kubota B26 Parts Manual
- Parts Catalog: Kubota BT820 Backhoe Attachment Parts Catalog
- Parts Catalog: Kubota TL500 Front End Loader Parts Catalog
What's Inside This Kubota B26, TL500, BT820 Manual
| System | Pages | Key Topics |
|---|---|---|
| G General | Tractor Identification, E3 Engine, Electrical Parts Handling, lubricants/fuel/coolant, Tightening Torques, Scheduled Maintenance Intervals, Special Tools, Tires, Implement Limitations | |
| Engine | Troubleshooting, Servicing Specifications, Separating Engine, Checking and Adjusting, Disassembling and Assembling, Servicing Internals | |
| Transmission | HST Pump and Motor, Oil Flow and Valves, Range Gear Shift, Front Wheel Drive, Differential Lock, Independent PTO Clutch and Hydraulic Circuit, Control Linkage | |
| Rear Axle | Structure, Disassembling and Assembling, Servicing, Rear Axle Torque Specs | |
| Brakes | Feature and Operation, Checking and Adjusting, Disassembling and Assembling, Servicing, Brake Specifications | |
| Front Axle | Structure, Separating Front Axle Assembly, Disassembling Front Axle Assembly, Checking and Adjusting, Servicing | |
| Steering | Hydraulic Circuit, Steering Controller, Steering Cylinder, Relief Valve Checking, Power Steering Controller Disassembly, Power Steering Cylinder Servicing | |
| Hydraulic System | Hydraulic Pump, Front Loader Control Valve Operation, 3-Point Hitch Position Control, Feedback Linkage, Surge Relief Valve, Lift Arm Adjustment, Hydraulic Cylinder Disassembly | |
| Electrical System | Wiring Diagram, Opc System Circuit, Engine Starting and Stopping, head/tail/turning Lights, Easy Checker Indication Items, Checking and Adjusting | |
| Front Loader | Front Loader Control Valve and Relief Valve, Boom and Bucket Cylinders, Maintenance Check List, Dismounting and Mounting, Spill Guard Adjustment, Loader Identification | |
| Backhoe | Hydraulic Circuit, Control Valve, boom/dipperstick/bucket/swing/stabilizer Cylinders, Backhoe Identification, Dismounting and Mounting, Disassembling Backhoe |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| B26 | ||
| Main frame mounting bolt and nut (M16) tightening torque | 200 to 225 N·m | p. 37 |
| HST oil filter replacement interval | every 200 Hr | p. 27 |
| Engine oil filter tightening | Tighten filter by hand an additional 1/2 turn only | p. 33 |
| Fuel filter element replacement interval | every 400 Hr | p. 27 |
| Air cleaner primary element cleaning pressure | under 205 kPa (2.1 kgf/cm2, 30 psi) | p. 38 |
| Engine Oil Capacity (with filter) | 3.0 L (3.2 U.S.qts) | p. 10 |
| Fuel Tank Capacity | 31 L (8.1 U.S.gals) | p. 10 |
| TL500 | ||
| Bucket cylinder head mounting torque | 250 to 300 N·m | p. 366 |
| Boom Cylinder piston seal slide jig dimension (C) | 50.18 mm / 1.98 in. | p. 374 |
| BT820 | ||
| Stabilizer cylinder head tightening torque | 500 to 550 N·m | p. 432 |
| All Functions Inoperative (Front Loader Is OK) - Probable Cause | Quick coupler disconnected | p. 430 |
| All Models | ||
| Hydraulic hose fitting, flare nut (3/4) tightening torque | 36 to 40 N·m | p. 26 |
