Komatsu Articulated Dump Truck HM400-2 SN A11001-UP Factory Service Repair Manual
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Models Covered :
HM400-2 SN A11001-UP
Manual Covers :
Index and foreword:
Composition of shop manual
Table of contents
Foreword and general information
Specification:
Specification and technical data
Structure, function and maintenance standard:
Engine and cooling system
Power train, Part 1
Power train, Part 2
Steering system
Brake system
Undercarriage and frame
Hydraulic system
Cab and its attachments
Electrical system, Part 1
Electrical system, Part 2
Electrical system, Part 3
Electrical system, Part 4
Standard value table:
Standard service value table
Testing and adjusting:
Testing and adjusting, Part 1
Testing and adjusting, Part 2
Testing and adjusting, Part 3
Troubleshooting:
General information on troubleshooting
Troubleshooting by failure code, General
Troubleshooting by failure code, Part 1-8
Troubleshooting for electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)
Disassembly and assembly:
General information on disassembly and assembly
Engine and cooling system
Power train, Part 1
Power train, Part 2
Power train, Part 3
Undercarriage and frame
Hydraulic system
Cab and its attachments
Electrical system
Diagrams and drawings:
Hydraulic diagrams and drawings
Electrical diagrams and drawings
Extras:
Operation and Maintenance Manual
Field Assembly Manual
This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.
Language: English
Format: PDF
COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS
(WINDOWS 10, WINDOWS 8, WINDOWS 11, ETC.)
Windows/Mac/Tablet/Phone Friendly
- Factory Information – Accurate repair procedures, specifications, service information tailored to your vehicle.
- Permanent Ownership – No subscriptions, recurring fees, or expiration dates. Buy it once and keep it forever.
- No Software Required – Works with any standard PDF reader on Windows, Mac, smartphones, and tablets.
- Flexible Storage Options – Save your manual to a USB drive, CD, DVD, cloud storage, Dropbox, computer, or mobile device.
- Print-Friendly Format – Print the entire manual or only the pages needed for a specific repair.
- Portable & Convenient – Compact PDF files make storage and access simple from virtually any device.
- Engine Model: Komatsu SAA6D140E-5 (Turbocharged, aftercooled, water-cooled diesel).
- Power Output: 438 Net HP (327 kW) @ 2,000 RPM / 453 Gross HP (338 kW).
- Payload Rating: 40 U.S. tons (36.5 metric tons).
- Transmission: Full-automatic, countershaft-type electronic transmission with K-ATOMICS styling.
- Engine Oil Pan: 13.2 gallons (approx. 50 liters).
- Hydraulic System: 47.6 gallons (approx. 180 liters).
- Cooling System: 29.1 gallons (approx. 110 liters).
- Fuel Tank: 130.8 gallons (approx. 495 liters).
- Shop / Factory Service Manual: CEBM007901 (Spans roughly 1,494 pages covering full mechanical teardowns, component testing, and hydraulic flow specifications). You can also cross-reference global base text SEN00239-02.
- Operation & Maintenance Manual: CEAM017601.
- Interactive Parts Catalog: Tracked online via 777parts Komatsu HM400-2 (AE) Catalog matching the exact A11001 part layout.


