2000-2005 Komatsu WA380-3 / WA380-3 Avance / WA380-3H / WA380-3H High-Lift / WA380-3 Active Wheel Loader Shop Manual • P/N SEBM006105

Official Komatsu WA380-3 Wheel Loader Shop Manual (2000–2005)

Get immediate access to the definitive factory reference for your Komatsu WA380-3 series wheel loader. This 99-page OEM manual (P/N SEBM006105, originally printed in Japan in 1997) delivers the exact structural diagrams and system specs you need for efficient shop-floor troubleshooting. It covers the S6D108 engine integration (serial number 50001 and up) and is delivered as an instant download right to your device, ready to search, read, or print.

Key Systems & Specifications:

• Engine & Powertrain: Detailed breakdown of the 7.15-liter S6D108 engine, torque converter, transmission control valves (42-liter fluid capacity), differential mechanisms, and final drive assemblies.
• Hydraulic & Steering Circuits: Schematics and operational theory for the hydraulic steering circuits, including a specified 224 L/min delivery in the work equipment circuit.
• Component Overviews: Exploded-view illustrations for crucial parts like the steering relief valve, modulation valve, and accumulator circuits.
• Diagnostic Reference Data: Factory torque specifications, weight tables, hydraulic pump configurations, and control valve pressure settings.

This document focuses entirely on structural design and operational theory. It equips professional mechanics and serious DIYers with the foundational schematics necessary for accurate diagnostics, rather than step-by-step repair guides.

Safety Notice: The specifications outlined above are provided for content review purposes. Always rely on the complete factory documentation and professional diagnostic protocols when performing hands-on maintenance or equipment testing.