Part of the Kubota Repair Manuals.
Kubota built this workshop manual (OEM #9Y111-09680) for four zero-turn mowers: the ZG124E, ZG123S, ZG127E, and ZG127S. Its 169 pages map the start system, OPC safety switches, charging circuit, PTO clutch, and headlight wiring, then trace the hydraulic transaxle from pump to wheel motor. Step-by-step procedures cover the engine, transaxle, front axle, lift system, and mower deck, with troubleshooting charts and torque tables included. Before you run diagnostics, fill the transmission case to 4.8 L and top off the 16 L fuel tank. When your ZG127S is down, you want the factory numbers, not forum guesses. Everything is bookmarked by system and searchable, so the transaxle torque table loads on your tablet while you work.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Workshop Manual | 1-1 | Model ZG124E, ZG123S, ZG127E, ZG127S, Kubota, KiSC Issued 09, 2013 a |
| To the Reader | 2-2 | Information, Safety First, Safety Decal, Dimension, Engine Identification, Model Identification, General Precautions, Maintenance Check List |
| Information | 3-14 | |
| General | 15-65 | Identification, Serial Number, Cylinder Number, General Precautions, Wiring, Battery, Fuse, Connector |
| Engine | 66-81 | Zg124e, Zg127e, Zg123s, Zg127s, Fuel System, Fuel Line, Lubrication System |
| Transaxle | 82-110 | Hydraulic Circuit, External Components, Inner Components |
| Front Axle | 111-117 | Wheel Bracket, Front Wheel, Bearing, Flange Nut, Wheel Bolt, Bracket Bolt, Cap |
| Lift System | 118-125 | Cam Dial, Cam Shaft, Cam, Front Lift Shaft, Rear Lift Shaft, Link Stopper, Mower Link, Bushing |
| Electrical System | 126-152 | Wiring Diagram, Start System and Opc, Start System, Operator's Presence Control, Safety Switches, Relay, Electrical Equipments |
| Mower | 153-168 | Power Transmission |
| Editor | 169-169 | Address, Phone, Fax, E-Mail, Printed in Japan 2013.09, Code No.9Y111-09680, Kubota Corporation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuel tank capacity | 16 L (4.2 U.S.gals, 0.92 Imp.gals) | p. 25 |
| Engine crankcase (with filter) capacity | 1.8 L (1.9 U.S.qts, 1.6 Imp.qts) | p. 25 |
| Engine Rated Revolution | 3600 rpm | p. 12 |
| Engine Crankcase Capacity (with filter) | 1.8 L | p. 12 |
| Transmission Case Capacity (including Rear axle gear case) | 4.8 L | p. 12 |
| Front Tire Pressure | 170 kPa | p. 34 |
| Rear Tire Pressure | 110 kPa | p. 34 |
| Electric Clutch Air Gap | 0.04 mm | p. 54 |
| Engine Valve Clearance (cold) IN. and EX. | 0.13 mm | p. 57 |
| Battery Voltage | More than 12 V | p. 142 |
| Electric PTO Clutch Resistance | 2.88 to 3.18 Ω | p. 142 |
| Blade Bolt Torque | 103 to 118 N·m | p. 160 |
