Komatsu WA470-3, WA470 Avance Wheel Loader Shop Manual

Komatsu WA470-3 and WA470 Avance Technical Documentation

• Covers the 2001–2008 Komatsu WA470-3 and WA470 Avance wheel loader range equipped with S6D125 engine and TCA38-8A torque converter systems
• Official Komatsu shop manual SEBM006307, printed August 2001
• Contains 975+ pages of technical diagrams, hydraulic circuit schematics, torque specifications, and system-function theory
• File link appears in your order confirmation straight away
• Suitable for printing individual sections for shop-floor use
• Indexed PDF search covers every chapter and appendix
• This specific edition provides the primary engineering specifications for the 50001-and-up serial number cohort and is the authoritative shop publication for the WA470-3 build

Manual Content Summary

The Komatsu WA470-3 shop manual functions as a technical reference guide for service technicians. It provides extensive breakdown of power train architecture, including the transmission, torque converter, and axle differential components. The documentation details the structure, function, and testing parameters for the hydraulic systems, including the transmission control valve, modulation valves, and steering circuits. Chapters focus on component disassembly, assembly sequences, and maintenance standards for high-load systems, providing a logical progression for understanding the mechanical interplay of these heavy-duty systems.

Technical Specification Highlights

The Komatsu WA470-3 engine specification data lists 11.04 liters of displacement with 196 kW power output. The transmission hydraulic circuit operates with a main relief valve pressure standard documented in the system diagram section. Coolant system capacity for the WA470-3 is specified at 68 liters. Hydraulic tank capacity varies by serial number, with 294 liters for earlier units and 280 liters for later models. Torque values for standard metric bolts are provided in a multi-stage reference table ranging from 13.2 Nm up to 3290 Nm depending on diameter. Final drive planetary gear specifications and differential torque proportioning mechanisms are explicitly defined for both front and rear axles. Reference understanding factory workshop documentation for navigation of this service data. 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 975-page OEM factory manual is the definitive technical resource for the 2001–2008 Komatsu WA470-3 and WA470 Avance, documenting all major engine, drivetrain, hydraulic, and structural systems across the full 50001-and-up serial number range.