This is the Kubota factory workshop manual for the RTV500 utility vehicle, the compact 4x4 side by side built around Kubota's hydrostatic transmission. Its 336 pages cover the whole machine: engine mechanism and servicing, the transaxle and HST, front and rear brakes, front axle and suspension, manual steering and the full electrical system with both old and new type wiring diagrams.
Every system pairs a description of how it works with a servicing chapter holding troubleshooting charts, servicing specifications, tightening torques and disassembly procedures. Concrete numbers back it up, such as the 1.35 L engine oil capacity, the 8.5 L transmission fluid capacity and the 0.13 to 0.17 mm cold valve clearance, so you can chase an overheating, transmission or charging fault to the right part and reassemble to spec.
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What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 21-85 | Product Identification (Engine Identification, Emission Label, Cylinder Number, Model Name and Serial Numbers, Wiring, Battery, Fuse, Connector, Handling of Circuit Tester, Color of Wiring) |
| Engine | 86-98 | Engine Body (Cylinder Head, Combustion Chamber, Camshaft, Crankcase, Piston and Piston Rings, Connecting Rod, Crankshaft, Balancer, Flywheel) |
| Engine Servicing | 99-138 | Troubleshooting (Engine Body, Electronic Control Fuel Injection), Servicing Specifications |
| Transaxle | 139-167 | Structure, Power Train (Hydrostatic Transmission, Linkage, Range Gear Shift Section, Front Wheel Drive Section, Rear Axle Section), Rear Suspension (Structure) |
| Transaxle Servicing | 168-209 | Preparation, HST Assembly, Transaxle Case |
| Brakes | 210-217 | General Outline, Front Brake, Rear Brake, Master Cylinder, Brake Oil, Parking Brake |
| Brakes Servicing | 218-244 | Troubleshooting, Servicing Specifications, Tightening Torques, Checking and Adjusting (Brake Pedal, Brake Fluid, Brake Pad, Parking Brake Lever) |
| Front Axle | 245-248 | Structure Overview (Front: Axle, Suspension), Front Axle Component Description, Front Suspension Component Description (Function) |
| Front Axle Servicing | 249-269 | Front Wheels, Tie-Rod End, Drive Shaft Joint, Front Wheel Drive Gears, Front Differential Gear, Bearings, Gears, Front Wheel Alignment |
| Steering | 270-273 | Structure Overview (Steering Linkage, Manual Steering), Steering Linkage Description, Manual Steering Description |
| Steering Servicing | 274-279 | Troubleshooting, Tightening Torques, Disassembling and Servicing (Preparation, Disassembling and Assembling) |
| Electrical System | 280-301 | Wiring Diagram (Old Type, New Type), Starting System (Starter, Safety Switch), Alternator, Ic Regulator |
| Electrical System Servicing | 302-336 | Battery, Main Switch, Starter, Safety Switch, Relays, Alternator, Lighting System, Cooling System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Lock nut torque | 39 to 45 N-m | p. 35 |
| Rear wheel mounting screw torque | 108.4 to 121.9 N-m | p. 35 |
| Engine Oil Capacity (Filter Exchanged) | 1.35 L | p. 33 |
| Transmission Fluid Capacity | 8.5 L | p. 33 |
| Coolant Capacity (with recovery tank) | 1.8 L | p. 33 |
| Engine Oil Pressure (At Idle Speed) | More than 98 kPa | p. 106 |
| Engine Oil Pressure (At Rated Speed) | 200 to 390 kPa | p. 106 |
| Valve Clearance (Cold) | 0.13 to 0.17 mm | p. 103 |
| Brake Pedal Free Travel | 7 to 14 mm | p. 223 |
| Brake Pad Thickness (Front) | 3.94 mm | p. 221 |
| Brake Disc Thickness (Front) | 5.3 to 5.7 mm | p. 221 |
| Parking Brake Lever Free Play | 1 notch | p. 221 |
