Komatsu WA250-3 Wheel Loader Workshop Manual (1995-2005)

Komatsu WA250-3 Wheel Loader — Technical Scope and Data

• Covers 1995–2005 Komatsu WA250-3 wheel loaders, including serial number ranges 50001–52999 and 53001 and up
• Official Komatsu publication SEBM005908, published August 2005
• Contains 56 detailed component diagrams, 14 electrical/hydraulic system schematics, and 5 comprehensive torque-specification tables
• Downloads to your account within seconds of checkout
• Permanent availability in your purchase account — no re-buy required
• Laid out for standard letter and A4 printing
• Full-text search finds any part number in seconds
• This 2005 edition documents the critical transition between S6D95L and S6D102E engine configurations across the 50001+ serial range

What the Manual Documents:

This 740-page Komatsu WA250-3 workshop manual provides technical reference information structured for professional service workshops. The documentation is organized into key chapters covering general specifications, machine structure and function, testing and adjusting, disassembly and assembly, and maintenance standards. It offers detailed technical insights into the powertrain, transmission, axle configurations, hydraulic systems, and steering mechanics. The content is explicitly tailored to the WA250-3 series, ensuring proper alignment with factory standards for major components like the torque converter and main control valves.

Specification Highlights:

Engine power ratings are documented at 97 kW for the S6D95L and 96 kW for the S6D102E variant at 2,400 rpm. The transmission system utilizes a 3-element, 1-stage, single-phase torque converter designated as model TCA32-7A. Standard tightening torque for a 12 mm bolt is specified at 98–123 Nm in the general table. The steering pump delivery rate is documented at 175 liters per minute. Lubrication capacities are clearly defined, such as 90 liters for the hydraulic system and 35 liters for the transmission case. Hydraulic work equipment pressure is set at 20.6 MPa for this model. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This factory 740-page workshop manual provides essential mechanical and electrical specifications for the Komatsu WA250-3 wheel loader series, covering serial numbers 50001 and above for professional technical review.