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

Technical Scope and Coverage for Komatsu HD325-6 and HD405-6

• Covers 2001–up Komatsu HD325-6 (2WD), HD325-6W (4WD), and HD405-6 off-highway dump trucks with specific serial number ranges starting at 5680, 5706, and 1055 respectively
• Official Komatsu shop manual publication SEBM015108, printed February 2001
• Features 1300+ pages of detailed assembly, operational, and maintenance documentation
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Contains dozens of structural diagrams, hydraulic system schematics, and electrical circuit layouts
• This specific edition provides the factory technical basis for servicing both the SAA6D140E-2 and SAA6D140E-3 engine-equipped chassis variants

Component and System Documentation

This factory shop manual documents the engineering specifications and structural functionality for the Komatsu HD325-6 and HD405-6 series trucks. The technical sections detail the power train, including the TCA-48-10A torque converter and planetary gear transmission, steering geometry, and the hydropneumatic suspension system. Comprehensive cross-sectional views identify every component, from the engine flywheel and output shafts to the final drive assemblies and brake systems. Lubrication and maintenance schedules are included, alongside standard tightening torque tables for various bolt diameters and flared nuts.

Specification Highlights and Technical Reference

Engine performance is documented with a 15,230 cc displacement and a max torque value of 2,167 Nm at 1,400 rpm. The transmission cooling system pressure settings are listed as 472 l/mm at 2,100 engine rpm for the gear pump. The factory workshop documentation includes detailed hydraulic circuit diagrams for the torque converter, transmission, and brake cooling, as well as an electrical wire code table. The suspension system performance is further detailed in the variable shaft mechanism section, documenting how damping force is managed at Medium, Hard, and Soft settings. 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. An official 1300-page Komatsu OEM shop manual covering the 2001–onwards HD325-6, HD325-6W, and HD405-6, documenting engine, chassis, electrical, and hydraulic specifications for the SAA6D140E-series engine build.