Part of the Kubota Repair Manuals.
This is the Kubota Workshop Manual for the RTV-XG850 and RTV-XG850 EVAP utility vehicles, a 392 page factory service document. It covers machines powered by the GZ8510 and GZ8510-1 gasoline engines with electronic fuel injection.
Inside you get the full repair chain: the engine with its multi point injection and sensors, the CVT transaxle and range gear shift, suspension, brakes with automatic adjustment, the front axle and limited slip differential, electronic power steering, and the electrical system with its starting, charging, lighting and gauge circuits. Tightening torques, a maintenance check list, and detailed mechanism descriptions run section by section.
With this PDF you can read the EFI sensors correctly, service the CVT and drivetrain, and repair steering or electrical faults to Kubota figures instead of guessing. It is a searchable download you can print or keep on a phone, tablet or laptop right beside the machine.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 17-35 | Safety First, Safety Labels for RTV, Care of Danger, Warning and Caution Labels, Specification Table, Traveling Speeds, Dimensions |
| General | 36-110 | Product Identification, General Precautions, Handling Precautions for Electrical Parts and Wiring, Lubricants, Fuel and Coolant, Tightening Torques, Maintenance Check List |
| Engine | 111-205 | Mechanism (Engine Body, Camshaft, Cylinder, Crankcase and Oil Pan, Piston, Connecting Rod, Balancer, Flywheel, Lubricating System, Oil Pump, Oil Filter and Relief Valve, Cooling System, Coolant Flow with Thermostat Fully Closed 66 °C, Coolant Flow with Thermostat Fully Open 84 °C, Water Pump, Thermostat, Radiator, Radiator Cap, Fuel System, Electronic Fuel Injection System, Multi-Point Injection System, Isc, Throttle Position Sensor, Tmap Sensor, O2 Sensor, Coolant Temperature Sensor, Crankshaft Position Sensor, Evapo System, Intake System) |
| Transmission | 206-252 | Mechanism (Structure of Transaxle, CVT, Range Gear Shift, Gear Positions, Front Wheel Drive, Differential Lock) |
| Suspension | 253-263 | Troubleshooting, Tightening Torques, Checking Shock Absorber, Adjusting Shock Absorber Spring, Checking Rear Knuckle Case, Rear Shock Absorber, Disconnecting Negative Battery Cable |
| Brakes | 264-298 | Mechanism (Outline of Traveling Brake, Traveling Brake, Automatic Brake Adjustment, Master Cylinder, Brake Oil, Parking Brake) |
| Front Axle | 299-321 | Mechanism (Structure of Front Axle, Limited Slip Differential, Operation of Limited Slip Differential) |
| Steering | 322-336 | Electronic Power Steering, Troubleshooting, Diagnostic Trouble Code for EPS ECU, Service Specifications for Steering, Tightening Torques, Adjusting Stopper Bolt, Removing Electric Power Steering (EPS) Motor, Disconnecting Negative Battery Cable |
| Electrical System | 337-392 | Mechanism (Location of Electrical Components, Starting System, Key Switch, Starter Solenoid, Starter, Neutral Safety Switch, Location of Relay, Charging System, Charge Coil, Regulator, Brake Lamp Switch, Lighting System, Head Light Switch, Cooling System, Fan Motor, Coolant Temperature Sensor, Traveling Speed Sensor, Gauge System, Fuel Level Sensor, Meter Panel, Easy Checker, Others, 12 V Electric Outlet) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| General use screws, bolts and nuts (M6, No-grade or 4T) | 7.9 to 9.3 N·m | p. 47 |
| General use screws, bolts and nuts (M8, No-grade or 4T) | 18 to 20 N·m | p. 47 |
| Engine Displacement | 0.851 L (51.9 cu. in.) | p. 30 |
| Fuel Tank Capacity | 32.7 L (8.6 U.S.gals) | p. 30 |
| High Range Traveling Speed | 64.4 km/h (40 mph) | p. 32 |
| Engine Oil Capacity (Filter exchanged) | 3.8 L (4.0 U.S.qts) | p. 45 |
| Transmission Fluid Capacity | 2.5 L (2.6 U.S.qts) | p. 45 |
| General Use Bolt Torque (M10, 7T) | 48 to 55 N·m (36 to 41 lbf·ft) | p. 47 |
| Wheel Fastener Torque | 130.0 to 150.0 N·m (95.89 to 110.6 lbf·ft) | p. 65 |
| Engine Oil Change Interval | Every 100 hrs (3000 km) | p. 53 |
| RTV-XG850 | ||
| Cargo Bed Capacity, RTV-XG850 | 454 kg (1000 lbs) | p. 30 |
| RTV-XG850 EVAP | ||
| Cargo Bed Capacity, RTV-XG850 EVAP | 272 kg (600 lbs) | p. 30 |
