2000 Komatsu WA380-3 Wheel Loader Shop Manual

2000 Komatsu WA380-3 Wheel Loader Technical Service Documentation

• This 946-page factory service manual covers the 2000 Komatsu WA380-3 wheel loader, including high-lift configurations and machines with serial numbers WA380H20051 and higher
• Original OEM publication VEBM460104, printed March 2000
• Contains hundreds of pages detailing structure and function, including 74 exploded-view diagrams and multiple transmission hydraulic circuit schematics
• Accessible from your device as soon as the order is placed
• File resolution is optimized for crisp viewing of diagrams and mechanical schematics
• This specific edition provides the factory-authorized specifications, weight tables, and lubrication charts for the WA380-3, differentiating between early and later production serial number ranges

Component Structure and System Functions

This manual provides an in-depth summary of the mechanical and hydraulic systems for the Komatsu WA380-3. Chapters focus on the power train system, illustrating the flow of force from the engine through the torque converter to the axles. The documentation describes the operation of the transmission control valve, the electronic control modulation valve (ECMV), and the various solenoid valves required for gear shifts. The manual also outlines steering system mechanics, including the orbit roll valve, demand valves, and overload relief valve configurations for the loader's articulated steering.

Technical Specifications and Maintenance Data

Specification highlights include operating weights and bucket capacities for different configurations, such as the HD and light material bucket options. The manual lists fluid capacities and viscosities for engine oil, transmission oil, and axle lubrication. A complete torque list is provided for various bolt diameters in Nm, kgm, and lbft, with notes on plastic component protection. Reference values for the hydraulic system, including pressure settings for the work equipment and steering circuits, are documented for standard machine operation. For more insight into what factory documentation provides, consult how factory workshop documentation is structured to streamline your service planning.

Note: This document is for reference only; qualified technicians and the original manufacturer documentation remain the authoritative source for all service and maintenance tasks.