Part of the Kubota Repair Manuals.
This Kubota Workshop Manual covers the ZG332 zero turn mower, powered by the WG972-G-E3-ZG-1 gasoline engine. It runs 312 searchable pages and is the factory service document for the machine.
The manual is organized into Information, General, Engine, Transaxle, Front Axle, Hydraulic System, Electrical System, and Mower sections. Each carries structure and mechanism descriptions plus servicing specifications, tightening torques, troubleshooting, and checking procedures, so the whole machine is covered from the engine to the cutting deck.
With it you can service the gasoline engine, diagnose the HST transaxle and hydraulic drive, trace the starting and charging circuits, and set up the mower deck and blade drive to factory figures. It is written for owners, dealers, and independent mechanics maintaining or rebuilding the ZG332.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 3-14 | |
| General | 15-74 | Contents, Identification, General Precautions, Handling Precautions for Electrical Parts and Wiring, Lubricants, Fuel and Coolant, Tightening Torques, Maintenance Check List |
| Engine | 75-161 | Engine Body (Cylinder Block, Half-Floating Head Cover, Cylinder Head, Crankshaft, Piston and Piston Ring, Oil Pan, Connecting Rod, Camshaft, Gear Shaft, Rocker Arm Assembly, Inlet and Exhaust Valves, Flywheel, Closed Breather) |
| Transaxle | 162-222 | Travelling System, Hydrostatic Transmission, Check Valve and High Pressure Relief Valve, Power Trains Operation, Control Linkage, Final Reduction Gear Section, PTO System, Parking Brake |
| Front Axle | 223-230 | Separating Front Wheel and Wheel Bracket, Front Wheels Wander to Right or Left, Removing the Front Wheel, Removing Wheel Bracket |
| Hydraulic System | 231-258 | Mechanism Contents, Hydraulic Circuit, Hydraulic Pump, Hydraulic Control Valve, Lift Cylinder, Mower Linkage, Servicing Contents, Troubleshooting |
| Electrical System | 259-295 | Wiring Diagram, Starting System (Safety Switch, Starter, Relay, Fuel Pump, Gasoline Solenoid Valve), Charging System (Dynamo, Regulator), Gauges |
| Mower | 296-311 | Power Transmission, Blade Drive Mechanism, Pulley Drive Mechanism, Center Blade, Outer Blade, Blade Does Not Turn, Blade Speed Is Slow, Cutting Is Poor |
| Editor | 312 | Kubota Farm & Industrial Machinery Service, Ltd, Contact Information, Publication Information |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| M6 (No-grade or 4T, Ordinariness) Tightening Torque | 7.9 to 9.3 N·m | p. 28 |
| M8 (No-grade or 4T, Ordinariness) Tightening Torque | 18 to 20 N·m | p. 28 |
| Engine Crankcase Oil Capacity (with filter) | 3.5 L | p. 12 |
| Fuel Tank Capacity | 49 L | p. 12 |
| Engine Coolant Capacity | 2.7 L | p. 12 |
| Spark Plug Tightening Torque | 20 to 24 N-m | p. 113 |
| Valve Clearance (Cold) | 0.145 to 0.185 mm | p. 107 |
| Engine Oil Change Interval | every 100 Hr | p. 31 |
| HST Charge Pressure | 0.75 to 0.95 MPa | p. 178 |
| Hydraulic Pump Delivery (Maximum) | 30.2 L/min | p. 242 |
| Battery Voltage | More than 12 V | p. 275 |
| Mower Blade Screw Tightening Torque | 103 to 118 N-m | p. 303 |




















