Part of the Kubota Repair Manuals.
This is the factory Kubota workshop manual for the KH series compact excavators, covering the KH-36, KH-41, KH-51, KH-66, KH-91, KH-101, KH-151, and KH-191. Across 334 pages it documents the whole machine in five sections: general service data, the machine body and undercarriage, the hydraulic system, the electrical system, and the diesel engines (Z620-KW, D950-BH1, D950-BH2, D1402-BH4, V1902-BH3, and V1902-BH4).Inside you get troubleshooting charts, specifications, tightening torque values, and step by step disassembly and reassembly procedures for the front attachment, swivel reduction gear, travel gear, pumps, control and relief valves, cylinders, motors, and full circuit diagrams. Whether you are rebuilding a tired hydraulic pump, servicing worn track rollers, or chasing a starting fault, this PDF puts the same reference Kubota technicians rely on on your bench.
What's Inside This Kubota KH-Series Excavators Manual
| System | Pages | Key Topics |
|---|---|---|
| 1. General | - | Safety Precautions for Servicing, Disassembly and Reassembly, Periodic Inspection and Servicing Table, Lubrication, Tightness Torque & Adhesive |
| 2. Machine Body | - | Troubleshooting, Specifications, Front Attachment (Removing of Front Attachment), Upper Structure (Swivel Reduction Gear Case, Swivel Bearing, Control Lever, Cab) |
| 3. Hydraulic System | - | Troubleshooting, Specifications, Pump, Control Valve & Relief Valve, Cylinder, Motor, Rotary Joint, Service Information |
| 4. Electrical System | - | Components, Electrical Circuit Diagram |
| 5. Engine | - | Specification, Maintenance Standards, Engine Dismantling From Machine Body, Important Tightening Torque Table |
| Back Cover | - | Kubota Corporation, Editor, Hirakata Plant, Printed in Japan, Code Number 97899-60062 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| KH-36, KH-41 | ||
| Traveling reduction gear case mounting bolt torque | 12.6~15.0 kgf·m | p. 59 |
| Swivel bearing mounting bolts torque | 7.9~9.2 kgf·m | p. 63 |
| Sprocket holder bolt tightening torque | 7.5~8.5 kgf·m | p. 101 |
| KH-41, KH-51, KH-61 | ||
| Cylinder head bolt torque | 43.4~47.0 N·m | p. 332 |
| KH-51, KH-61, KH-66, KH-91, KH-101, KH-151 | ||
| Gear case mounting bolt tightening torque | 20.0~23.0 kgf·m | p. 59 |
| KH-51, KH-61, KH-66 | ||
| Swivel bearing mounting bolts torque | 26.5~31.0 kgf-m | p. 63 |
| KH-51, KH-61, KH-66, KH-91, KH-101 | ||
| Sprocket holder bolt tightening torque | 10.5~12.0 kgf·m | p. 101 |
| KH-66, KH-91, KH-101, KH-151 | ||
| Cylinder head bolt torque | 54.7~57.9 N·m | p. 332 |
| KH-91, KH-101, KH-151 | ||
| Swivel bearing mounting bolts torque | 26.5~31.0 kgf·m | p. 63 |
| KH-151 | ||
| Sprocket holder bolt tightening torque | 21.0~23.0 kgf·m | p. 101 |
| KH-36 | ||
| Engine Oil Capacity | 1.6L | p. 17 |
Kubota KH-Series Excavators Common Problems This Manual Covers
Weak or slow hydraulic functions
Boom, arm, and bucket response goes soft or intermittent as pumps, cylinders, and control valves wear or fluid degrades. The Hydraulic System section carries the troubleshooting charts, relief pressures, and pump and valve overhaul steps to trace and cure it.
Manual Section: 3. Hydraulic System p. 167Track and undercarriage wear
Aging KH machines eat idlers, rollers, sprockets, and track shoes, which shows up as loose or noisy tracks. The Machine Body section covers the lower structure with clearances and rebuild procedures.
Manual Section: 2. Machine Body p. 30Swing and travel problems
Slow or erratic swing and travel usually trace to a worn swivel reduction gear case, swivel bearing, or travel reduction gear. Their inspection and overhaul steps are in the Machine Body section.
Manual Section: 2. Machine Body p. 30Overheating under load
Loss of power and rising temperature while digging often point to cooling neglect or an engine fault. The Engine section provides specifications, maintenance standards, and dismantling procedures for the diesel.
Manual Section: 5. Engine p. 317Hard starting or low power
Difficult starts and weak performance on older diesels tie back to fuel and engine condition. Use the Engine section for factory specs and the tightening torque table when servicing the powerplant.
Manual Section: 5. Engine p. 317Electrical and starting faults
No-crank or intermittent electrical trouble comes from the battery, starter, glow plug, or wiring. The Electrical System section has troubleshooting, component inspection, and the circuit diagrams to isolate it.
Manual Section: 4. Electrical System p. 291Frequently Asked Questions
Which Kubota excavator models does this manual cover?
It covers the Kubota KH series compact excavators: KH-36, KH-41, KH-51, KH-66, KH-91, KH-101, KH-151, and KH-191, with their Kubota diesel engines. It is a single 334 page workshop manual serving the whole KH lineup.
Does it include torque specifications?
Yes. The General section covers Tightness Torque and Adhesive, and each system adds its own torque tables, so you can tighten bolts to the correct Kubota values during reassembly. p. 3
Will it help me rebuild the hydraulic system?
Yes. The Hydraulic System section covers the pump, control and relief valves, cylinders, motor, and rotary joint with specifications, relief pressures, and full service procedures. p. 167
Can I diagnose electrical faults with it?
Yes. The Electrical System section includes troubleshooting, specifications, component inspection, and the electrical circuit diagram for the KH series. p. 291
How quickly can I access this Kubota KH-36 & variants manual after buying?
Instant PDF download. You get the full 334-page searchable Workshop Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Are there any print restrictions on this Kubota KH-36 & variants manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Does this Kubota KH-36 & variants Workshop Manual cover the hydraulic system?
Full hydraulic system diagrams are included, covering circuits, valve locations, and hydraulic component specs for the Kubota KH-36 & variants.
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