Shop Manual for Komatsu HD325-6 (2WD), HD325-6W (4WD) & HD405-6 Off-Highway Truck 2001

Komatsu HD325-6 & HD405-6 2WD Dump Truck Shop Manual

If you’re dealing with Komatsu heavy equipment in the HD series, this shop manual brings together the technical documentation for both the HD325-6 and HD405-6 2WD dump trucks in one structured reference. It is organized to help you quickly assess variant coverage and system documentation before you decide to download the full ZIP of PDFs.

Variant-aware documentation structure

The manual groups information around the two closely related Komatsu platforms — the HD325-6 and the HD405-6 2WD. Shared design elements are documented where they apply to both models, while systems that differ between variants are reflected in separate sections and illustrations. This approach helps you see which technical material is specific to each machine.

What this manual includes

Content is arranged around workshop domains such as general specifications, structure and function, hydraulic systems, driveline and electrical overviews. It combines detailed layouts, technical data and diagrams so you can quickly find the systems and components relevant to the variant you’re working with.

System depth highlights

• Common powertrain and frame structure documentation
• Hydraulic system layouts with component references
• Electrical system overviews and connector references
• Operator cab controls and instrumentation layouts
• Transmission and driveline components grouped by model
• Technical data tables and machine specifications

Variant coverage snapshot

This manual gives you a clear, variant-aware system reference for the Komatsu HD325-6 and HD405-6 2WD trucks so you can confirm model and system documentation coverage before downloading.