Part of the Kubota Repair Manuals.
This Kubota Service Manual covers the T1570A, T1670A, T1770A, and T1870A lawn and garden tractors, spanning the GH430V, GH570V, and GH630V Kubota engines plus the Kohler CV17 and CV19 used across the range. It is a 378 page PDF with a searchable text layer that you download and keep.
The book is split into clear sections: a general chapter on identification, maintenance intervals, and torque values, two engine sections, the hydrostatic transaxle, brakes, front axle, steering, fender and lift, PTO, two electrical sections with wiring diagrams, the mower deck, and a full engine body teardown.
Independent mechanics and owners use it to chase no-start faults, service the transaxle, adjust steering and brakes, engage a balky PTO, and set the deck for a level cut, all to Kubota's published figures.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 11-44 | Features, Identification (Machine, Engine, Mower), Handling Precautions for Electrical Parts and Wiring (Battery, Fuse, Connector, Handling of Circuit Tester), Fuel and Lubricants |
| Sect 1 Engine 1 | 45-96 | Disassembling and Servicing (Disassembling and Assembling, Engine Body, Lubricating System, Fuel System, Checking and Adjusting, High Altitude Kit) |
| Sect 2 Engine 2 | 97-110 | Engine Body, Lubricating System, Ignition System, Separating Engine |
| Sect 3 Transaxle | 111-134 | Hydrostatic Transaxle, Hydrostatic Transmission, Disassembling and Servicing (T1670A, T1770A and T1870A)(T1570A: Refer to WSM T1460, T1560 (97897-11741)), Separating Hydrostatic Transaxle, Disassembling Hydrostatic Transaxle, Assembling Hydrostatic Transaxle |
| Sect 4 Brakes | 135-142 | Disassembling and Servicing (Checking and Adjusting, Disassembling and Assembling) |
| Sect 5 Front Axle | 143-150 | Disassembling and Servicing (Checking and Adjusting, Disassembling and Assembling, Separating Front Axle Assembly, Disassembling Front Axle) |
| Sect 6 Steering | 151-158 | Steering Wheel, Battery, PTO Clutch Lever, Parking Lock Pedal, Throttle Cable, Fender, Steering Support, Steering Shaft |
| Sect 7 Fender and Lift | 159-170 | Disassembling and Servicing (Checking and Adjusting, Disassembling and Assembling, Separating Fender, Lift Linkage, Lift Lever) |
| Sect 8 PTO | 171-178 | Disassembling and Servicing (Checking and Adjusting, Disassembling and Assembling) |
| Sect 9 Electrical 1 | 179-212 | Wiring Diagram (Color of Wiring), Kra System |
| Sect 10 Electrical 2 | 213-240 | Wiring Diagram (Color of Wiring), Kra System |
| Sect 11 Mower | 241-254 | Disassembling and Servicing (Checking and Adjusting, Disassembling and Assembling) |
| Sect P Engine Body | 255-378 | Safety and General Information, Air Cleaner and Air Intake System, Fuel System and Governor, Lubrication System, Electrical System and Components, Disassembly, Reconditioning |
Every system also includes tightening torques, troubleshooting, checking, and servicing specifications.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| T1570A | ||
| Fuel Tank Capacity, T1570A | 11.0 L (2.9 U.S.gals., 2.4 Imp.gals.) | p. 7 |
| Hydrostatic Transmission Case Capacity | 2.3 L | p. 7 |
| T1670A, T1770A, T1870A | ||
| Fuel Tank Capacity (T1670A, T1770A, T1870A) | 15.0 L (3.9 U.S.gals., 3.3 Imp.gals.) | p. 7 |
| All Models | ||
| Engine Crankcase Capacity | 1.9 L | p. 7 |
| Front Tire Pressure (cold) | 100 kPa | p. 28 |
| Rear Tire Pressure (cold) | 70 kPa | p. 28 |
| Engine Oil Change Interval | 100 hours | p. 261 |
| Spark Plug Gap (Engine 1) | 1.02 mm | p. 53 |
| Spark Plug Torque (Engine 1) | 38.0 to 43.4 N·m | p. 54 |
| PTO Tension Spring Length | 69 to 72 mm | p. 174 |
| Blade Screw Torque | 102.9 to 117.6 N·m | p. 246 |
| Steering Wheel Play | 20 to 30 mm | p. 154 |
