Komatsu Articulated Dump Truck HA250-1 SN 60636 UP Factory Service Repair Manual
” Works on any computer, laptop, smartphone, iPad, iPhone, or tablet. “
Models Covered :
HA 250-1 SN 60636 UP
Manual Covers :
GENERAL INSTRUCTION:
FOREWORD
TYPE OF SEALINGS/LOCKING COMPOUNDS AND LUBRICANTS
WEIGHTS AND MEASURES
TORQUE LIMIT TABLE
SAFETY IN SERVICE WORK SHOPS
PRECAUTION FOR DISASSEMBLY AND ASSEMBLY
GENERAL LOCATION
DRIVE LINE VIEW
MACHINE SPECIFICATION (HA270-1)
MACHINE SPECIFICATION (HA250-1)
MACHINE SPECIFICATION (HA270-3 & HA250-3)
PERFORMANCE CHART (HA270-3)
EXHAUST BRAKE CAPACITY DIAGRAM-HA270 HA270-3
PERFORMANCE CHART (HA250-3)
EXHAUST BRAKE CAPACITY DIAGRAM (HA250-3)
FILLING CAPACITIES
OIL AND FLUID SPECIFICATION
TRANSMISSION OIL LIST
TRANSMISSION:
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
MAINTENANCE STANDARD
TROUBLESHOOTING
DRIVELINE, BRAKES AND WHEELS:
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
MAINTENANCE STANDARD
TROUBLE SHOOTING
AIR SYSTEM:
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
MAINTENANCE STANDARD
TROUBLE SHOOTING
HYDRAULIC SYSTEM:
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
TROUBLE SHOOTING
ELECTRICAL SYSTEM:
STRUCTURE AND FUNCTION
FRONT CHASSIS:
STRUCTURE AND FUNCTION
REAR CHASSIS:
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
DISASSEMBLY AND ASSEMBLY
ACCESSORIES:
FILLING INSTRUCTIONS FOR AIR CONDITION COOLING AGENT
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 S6D125-1B8-FA (with engine serial numbers starting at 10001-UP).
- Aspiration: Turbocharged.
- Rated Net Payload: 25 metric tons (approx. 27.5 U.S. tons).
- Heaped Body Capacity: 14.3 cubic meters (approx. 18.7 cubic yards).
- Operating Weight: Roughly 16.5 metric tons empty.
- Official Parts Catalog: The factory parts book specifically indexed for this run is Komatsu HA250-1 (JPN) Parts Catalogue Manual SN 60636-UP.
- Shop Manual / Service Book: Covers full diagnostic troubleshooting matrices for the mechanical drivetrain, pneumatic systems, and S6D125 block.
- Interactive Parts Layouts: Complete breakdowns for elements like the front differential gear, torque converter, and air-over-hydraulic systems can be tracked via the 777parts Komatsu HA250-1 Database.


