Part of the Kubota Repair Manuals.
This Kubota Workshop Manual covers the ZG222, ZG227 and ZG222S zero-turn mowers, including the KGZ770-E2-M3 and KGZ770-E2-M2 gasoline engines. It runs 251 pages with a searchable text layer, so you can find the system you need and jump straight to it.
Inside you get full service coverage: the engine body and fuel system, the hydrostatic transaxle, the front axle, the hydraulic system, the electrical system with wiring diagrams, and the rotary mower deck. Specifications, tightening torques and servicing limits are laid out per system.
Whether you are chasing a drive fault, setting valve clearance, tracing a wiring problem or leveling the mower deck, the procedures and specs let an owner or independent shop do the work without guessing. It is delivered as a downloadable PDF you can read on any device or print the pages you need.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Specifications | 11-12 | Model, Engine, Capacities, Travelling System, PTO, Pro Commercial Deck |
| Dimensions | 13-14 | |
| General | 15-60 | Identification, Electrical Parts and Wiring, Lubricants and Fuel, Tightening Torques, Maintenance Check List, Special Tools |
| Engine | 61-112 | Engine Body, Lubricating System, Cooling System, Fuel System, Ignition System, Servicing Specifications |
| Transaxle | 113-154 | Structure, Travelling System, Servicing Specifications, Tightening Torques, Checking, Disassembling and Servicing |
| Front Axle | 155-164 | Structure, Troubleshooting, Tightening Torques, Disassembling and Assembling |
| Hydraulic System | 165-182 | Hydraulic Circuit, Hydraulic Pump, Hydraulic Control Valve and Valve Adaptor, Lift Cylinder, Mower Linkage, Servicing Specifications |
| Electrical System | 183-229 | Wiring Diagram, Starting System, Charging System, Gauges, Servicing Specifications, Tightening Torques |
| Rotary Mower | 230-251 | Power Transmission, Lifting Mechanism, Mower Blades, Gear Box, Anti-Scalp Rollers, Mower Deck Level Adjustment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel tank capacity | 30 L (7.9 U.S.gals, 6.6 Imp.gals) | p. 24 |
| Transmission fluid capacity (including rear axle gear case) | 7.5 L (7.9 U.S.qts, 6.6 Imp.qts) | p. 24 |
| Mower gear box oil capacity | 0.15 L (0.16 U.S.qts, 0.13 Imp.qts) | p. 24 |
| General use screws, bolts and nuts torque (M6 Standard) | 6.86 to 14.7 N·m (0.700 to 1.49 kgf·m, 5.06 to 10.8 lbf·ft) | p. 83 |
| Engine mounting bolt and nut torque | 24 to 28 N·m (2.4 to 2.8 kgf·m, 18 to 20 lbf·ft) | p. 83 |
| Spark plug torque | 9.81 to 19.6 N·m (1.00 to 1.99 kgf·m, 7.24 to 14.4 lbf·ft) | p. 83 |
| Rear wheel mounting nut torque | 65 to 75 N·m (6.6 to 7.7 kgf·m, 48 to 55 lbf·ft) | p. 132 |
| Transaxle mounting screw (M12) torque | 78 to 90 N·m (7.9 to 9.2 kgf·m, 58 to 66 lbf·ft) | p. 132 |
| Wheel bolt and lock nut torque (Front Axle) | 20 to 25 N·m (2.1 to 2.5 kgf·m, 15 to 18 lbf·ft) | p. 162 |
| ZG222S | ||
| Engine crankcase oil capacity (with filter), ZG222S | 1.8 L (1.9 U.S.qts, 1.6 Imp.qts) | p. 24 |
| ZG227 | ||
| Engine crankcase oil capacity (with filter), ZG227 | 2.0 L (2.1 U.S.qts, 1.8 Imp.qts) | p. 24 |
| RCK48S | ||
| Mower blade screw torque | 103 to 117 N·m (10.5 to 12.0 kgf·m, 76.0 to 86.7 lbf·ft) | p. 238 |
