Part of the Kubota Repair Manuals.
This is the full Kubota RTV520 workshop manual, a 390-page PDF covering the RTV520 utility vehicle and its GZ520 gasoline engine. It is the same service documentation Kubota technicians work from, organized by system so you can go straight to the repair you need.
Inside you get engine teardown and reassembly, the transaxle, front axle, suspension, brakes, manual steering, and the full electrical system with component locations. The Maintenance section lists service intervals, lubricants, and fuel and coolant data, while the General section carries tightening torques and hydraulic fitting specs. Verified figures include the 0.514 L displacement, a 19.2 L fuel capacity, and a 1.35 L crankcase oil capacity with the filter changed.
Whether you are doing routine service or a full rebuild, this manual gives owners and independent mechanics the specs, procedures, and torque values to work on the RTV520 with confidence.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 19-32 | Working Precautions, Preparing for Emergencies, Working Cautions, Starting Machine Safely, Preventing Fires, Preventing Acid Burns, Avoiding High Pressure Fluid |
| General | 33-69 | Tightening Torques (Stud Bolts), Hydraulic Fittings (Hydraulic Hose Fittings, Hydraulic Pipe Cap Nuts, Adapters, Elbows and Others), Metric Screws, Bolts and Nuts |
| Maintenance | 70-102 | Service Intervals, Lubricants, Fuel and Coolant |
| Engine | 103-175 | Engine Body (Function: Cylinder Head, Camshaft, Crankcase, Piston, Connecting Rod, Balancer, Crankshaft, Flywheel) |
| Transaxle | 176-254 | Outline of a Transaxle, Traveling System, Hydrostatic Transmission (HST), Structure of HST (Hydrostatic Transmission), Structure of Servomechanism, Operation of Regulator and Servo Piston, Function of Charge Relief Valve, Function of Anti-Cavitation Valve |
| Suspension | 255-267 | Front Suspension, Rear Suspension, Servicing, Tightening Torques |
| Brakes | 268-296 | Traveling Brake, Automatic Brake Adjustment, Master Cylinder, Brake Oil |
| Front Axle | 297-319 | Structure of Front Axle, Troubleshooting for Front Axle, Service Specifications for Front Axle, Tightening Torques for Front Axle, Adjusting Toe-In, Checking Toe-In, Knuckle Case |
| Steering | 320-330 | Structure of Steering Linkage, Structure of Manual Steering, Troubleshooting for Steering, Tightening Torque for Steering, Manual Steering, Steering Linkage, Checking Bearing |
| Electrical System | 331-390 | Location of Electrical Components |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| General use screws, bolts and nuts (M10, Ordinariness 4) | 40 to 45 N·m (4.0 to 4.6 kgf·m, 29 to 33 lbf·ft) | p. 35 |
| General use screws, bolts and nuts (M10, Ordinariness 7T) | 48 to 55 N·m (4.9 to 5.7 kgf·m, 36 to 41 lbf·ft) | p. 35 |
| Engine Displacement | 0.514 L | p. 41 |
| Net power | 13.0 kW (17.4 HP) / 3600 rpm | p. 41 |
| Fuel capacity | 19.2 L | p. 41 |
| Tire inflation pressure | 97 kPa (14 psi) | p. 49 |
| Engine crankcase oil capacity (filter exchanged) | 1.35 L | p. 74 |
| Transmission case oil capacity | 9.0 L | p. 74 |
| Spark plug gap | 0.6 to 0.7 mm | p. 91 |
| Valve clearance (cold) | 0.13 to 0.17 mm | p. 126 |
| Compression pressure | 1.27 MPa (184 psi) | p. 126 |
| Radiator cap specified pressure | 88 kPa (13 psi) | p. 128 |
