Part of the Kubota Repair Manuals.
This is the Kubota KC70 workshop manual for the tracked dumper, publication 97899-61870, a 26 page factory service document covering the machine's mechanism and servicing procedures. It details the transmission and power train, the dumping hydraulic system, the V-belt drive, and the full wiring diagram with cord color legend and fuse ratings.The servicing section gives tightening torque tables for standard and special bolts, transmission and hydraulic oil types and capacities, cautions for disassembly and reassembly, and adjustment procedures for the main clutch, parking brake, steering levers, belt tension, and crawler tracks.A wear parts replacement guide and a troubleshooting and countermeasures section round it out, walking you through no drive, continuous turning, and engine stall symptoms. Use it to service, adjust, and repair the KC70 to factory specification.
What's Inside This Kubota KC70 Manual
| System | Pages | Key Topics |
|---|---|---|
| Dimensions | - | Overall Dimensions, Top View Dimensions, Side View Dimensions |
| Hydraulic System (Dumping) | - | Hydraulic Pump, Flow of Hydraulic Oil, Hydraulic Hose |
| Wiring Diagram | - | Wiring Diagram Overview, Cord Color Legend, Fuse Specifications |
| Tightening Torque | - | Bolt Material Grades, Crawler Adjusting Bolt |
| Oils | - | Transmission Oil, Hydraulic Pump Oil, Total Hydraulic System Capacity |
| Caution for Disassembly and Reassembly | - | Sprocket, Transmission, Bolt for Crawler, V-Belt, Clutch Pedal, Speed Change Lever, Brake Lever, Steering Brake |
| Adjustment of Component Parts | - | Main Clutch Adjustment, Parking Brake Adjustment, Steering Lever Adjustment, Belt Tension Adjustment, Crawler Adjustment |
| Replacement of Wear Out Parts | - | - |
| Troubleshooting and Countermeasures | - | Machine Does Not Drive Powerful., Machine Continued to Turning., Machine Continue to Turning., Engine Stop or Engine Revolution Decrease, When Turning the Machine. |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Crawler adjusting bolt torque | 130±5kgf·cm | p. 13 |
| General bolt tightening torque (M10, Standard Bolt SS41, S20C) | 39.2-45.1 N.m | p. 12 |
| V-belt (Engine pulley ~ Drive pulley) displacement at center of V-belt / load to belt | 8 - 10mm / 5kgf | p. 15 |
| V-belt (Engine pulley ~ Hydraulic pump pulley) displacement at center of V-belt / load to belt | 8 - 10mm / 5kgf | p. 16 |
| Hydraulic pump discharge volume | 5cc/rev | p. 7 |
| Hydraulic pump revolution | 500~2000rpm | p. 7 |
| Gear Lubrication oil #90 quantity | 1.9L | p. 13 |
| Automatic transmission fluid (ATF) [DEXRON] quantity | 1.9L | p. 13 |
| Fuse rating | 30A | p. 10 |
| M6 Standard Bolt Tightening Torque | 7.8-9.3 N.m | p. 12 |
| M10 Standard Bolt Tightening Torque | 39.2-45.1 N.m | p. 12 |
| Transmission Oil (Gear Lubrication oil #90) Capacity | 1.9L | p. 13 |
Kubota KC70 Common Problems This Manual Covers
Loss of drive power
A KC70 that will not move or has weak drive usually has a transmission or power train fault. The Troubleshooting and Countermeasures section walks through the machine does not drive powerful symptom with likely causes and fixes.
Manual Section: Troubleshooting and Countermeasures p. 23Dump bed will not raise
Slow, weak, or dead dumping points to the hydraulic circuit: low fluid, air, or pump and valve wear. The Hydraulic System (Dumping) section covers the pump, oil flow, and hose with the discharge, pressure, and capacity specs.
Manual Section: Hydraulic System (Dumping) p. 7Machine keeps turning or pulls
A dumper that drifts or continues turning often needs steering lever and brake adjustment. The Adjustment of Component Parts section gives the steering lever and parking brake adjustment procedures.
Manual Section: Adjustment of Component Parts p. 21Worn brake lining
Reduced braking comes from lining wear past the allowable limit. The Replacement of Wear Out Parts section lists the brake lining thickness limit so you know when to replace it.
Manual Section: Replacement of Wear Out Parts p. 22Electrical or intermittent starting faults
Intermittent starting and warning faults trace to wiring, switches, or a blown fuse. The Wiring Diagram section gives the full circuit, cord color legend, and fuse rating to trace the problem.
Manual Section: Wiring Diagram p. 10Drive or pump belt slipping
The KC70 runs V-belts between the engine, drive, hydraulic pump, and transmission pulleys, and a worn or loose belt slips. The Caution for Disassembly and Reassembly section covers belt sizes and correct tension for replacement.
Manual Section: Caution for Disassembly and Reassembly p. 14Frequently Asked Questions
Which machine does this manual cover?
It covers the Kubota KC70 tracked dumper, publication 97899-61870. The workshop manual documents the machine's mechanism and servicing across transmission, hydraulics, V-belt drive, wiring, and troubleshooting.
Does it include torque specifications?
Yes. The Tightening Torque section gives full torque tables for standard and special bolts by size, for example M10 standard bolts at 39.2 to 45.1 N.m, plus the crawler adjusting bolt torque. p. 12
Does it list oil types and capacities?
Yes. The Oils section specifies transmission gear oil at 1.9L, hydraulic oil ISO46 at 1.5 to 1.6L, and total hydraulic system capacity for correct refills. p. 13
Does it include troubleshooting procedures?
Yes. The Troubleshooting and Countermeasures section covers symptoms such as no drive, continuous turning, and engine stall when turning, with causes and corrective steps. p. 23
How quickly can I access this Kubota KC70 manual after buying?
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