Part of the Kubota Repair Manuals.
This is the Kubota BX1800 and BX2200 Workshop Manual, a 293 page PDF covering both sub-compact tractors and their D722-E-BX and D905-E-BX diesel engines. It opens with specifications, travelling speed, and dimensions, then works through the general section, engine, transaxle, front axle, steering, hydraulic system, and electrical system.Each system is broken into mechanism and servicing, so you can learn how a part works before troubleshooting, disassembling, and reassembling it. That makes it usable for no-start diagnosis, cooling and hydraulic problems, transaxle work, and full electrical tracing with the wiring diagram.Reference values include PTO power of 10.2 kW on the BX1800 and 12.4 kW on the BX2200, front wheel mounting screw torque of 122 to 146 N-m, and a hydraulic relief valve setting of 12.3 to 12.7 MPa. Instant PDF download that prints cleanly for bench use.
What's Inside This Kubota BX1800, BX2200 Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety First | 3-5 | - |
| Safety Decals | 6-7 | - |
| Specifications | 8 | Model, PTO Power, Engine, Capacities, Dimensions, Weight |
| Travelling Speed | 9 | Model, Tire Size (Rear), Range Gear Shift Lever |
| Dimensions | 10-11 | - |
| G General | 12-54 | Tractor Identification, General Precautions, Electrical Parts and Wiring, Lubricants, Fuel and Coolant, Tightening Torques |
| Engine | 55-146 | Engine Body, Lubricating System, Cooling System, Fuel System |
| Transaxle | 147-200 | Structure, Travelling System, PTO System, Others |
| Front Axle | 201-219 | Structure, Front Wheel Alignment, Axle, Bevel Gear, Differential Gear Assembly, Toe-In |
| Steering | 220-231 | Hydraulic Circuit, Steering Controller, Steering Cylinder |
| Hydraulic System | 232-256 | Hydraulic Circuit, Hydraulic Pump, Hydraulic Control Valve, Flow Priority Valve, Relief Valve, Hydraulic Cylinder |
| Electrical System | 257-292 | Wiring Diagram, Starting System, Charging System, Lighting System, Gauges |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder head screw torque | 37.2 to 42.1 N·m (3.8 to 4.3 kgf·m, 28.0 to 31.0 ft-lbs) | p. 97 |
| Front wheel mounting screws torque | 122 to 146 N·m (12.5 to 15.0 kgf·m, 90 to 108 ft-lbs) | p. 20 |
| Rear wheel mounting screws torque | 88 to 104 N·m (9.0 to 10.6 kgf·m, 65 to 79 ft-lbs) | p. 20 |
| Battery terminal nut torque | 2 N·m (0.2 kgf·m, 1.5 ft-lbs) | p. 24 |
| Battery terminal connection potential difference | Less than 0.1 V | p. 277 |
| Safety switch distance A | 3 to 5 mm (0.118 to 0.197 in.) | p. 281 |
| ROPS mounting nut torque | 124 to 147 N·m (12.6 to 15.0 kgf·m, 91 to 108 ft-lbs) | p. 177 |
| Front tire inflation pressure (18 x 8.50 - 8 Turf) | 150 kPa (1.5 kgf/cm², 22 psi) | p. 49 |
| Rear tire inflation pressure (26 x 12.00 - 12 Turf) | 140 kPa (1.4 kgf/cm², 20 psi) | p. 49 |
| Thermostat valve opening temperature (at beginning) | 80.5 to 83.5 °C (176.9 to 182.3 °F) | p. 84 |
| Thermostat valve opening temperature (opened completely) | 95 °C (203 °F) | p. 84 |
| PTO Power | 10.2 kW | p. 8 |
Kubota BX1800, BX2200 Common Problems This Manual Covers
Tractor will not start
A no-start often traces to a failed safety start switch or misused starter circuit. The manual warns against shorting the starter terminals or bypassing the safety start switch, and the electrical section covers the switch and starting system.
Manual Section: 6 Electrical System p. 257Engine overheating
Rising coolant temperature usually comes from a blocked radiator screen, low coolant, or a neglected cooling check. The engine section covers the cooling system, including the thermostat and radiator service.
Manual Section: 1 Engine p. 55Transmission performance loss or noise
Weak drive or noisy operation can follow low transmission fluid, a leak, or skipped fluid checks. The transaxle section covers the travelling and PTO systems and their servicing.
Manual Section: 2 Transaxle p. 147Weak hydraulic lift
Slow or weak three-point and loader response points to low fluid, a clogged filter, or pump and valve wear. The hydraulic system section covers the pump, control valve, and relief valve set to 12.3 to 12.7 MPa.
Manual Section: 5 Hydraulic System p. 232Heavy or uneven steering
Power steering that feels heavy or inconsistent involves the hydraulic circuit, steering controller, or cylinder. The steering section covers the circuit and component service.
Manual Section: 4 Steering p. 220Dead gauges or warning lights
Failed gauges, easy checker lights, or erratic warning lights are usually loose connections, failed switches, or battery cable faults. The electrical section covers gauges, lighting, and connection inspection.
Manual Section: 6 Electrical System p. 257Frequently Asked Questions
Which tractors does this manual cover?
It covers the Kubota BX1800 and BX2200 sub-compact tractors in one workshop manual, including both machines across the general, engine, drivetrain, hydraulic, and electrical sections.
What engines are covered?
The BX1800 uses the D722-E-BX and the BX2200 uses the D905-E-BX diesel. The engine section covers the engine body, lubricating, cooling, and fuel systems with servicing specifications for both. p. 55
Does it include torque specifications?
Yes. The general section covers tightening torques, listing values such as front wheel mounting screws at 122 to 146 N-m and rear wheel mounting screws at 88 to 108 N-m. p. 12
Are wiring diagrams included?
Yes. The electrical system section provides the wiring diagram plus the starting, charging, and lighting systems and gauges, useful for tracing no-start and lighting faults. p. 257
What format is this Kubota BX1800 manual in?
A 293-page Workshop Manual in searchable PDF, ready to download the moment checkout completes. Read it on a computer, tablet, or phone with no shipping wait.
Is this Kubota BX1800 manual print-friendly?
No restrictions at all: the PDF is DRM-free. Print whatever sections you want to carry out to the shop. Standard letter or A4 paper both work.
Are there hydraulic schematics in this Kubota BX1800 manual?
Yes. It includes hydraulic system diagrams, circuit schematics, and component specifications.
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