This manual covers the Komatsu WA470-6 wheel loader, specifically models serial number 85001 and up, featuring ECOT3 emissions standards. Engineered for demanding work environments, the WA470-6 is equipped with a powerful Komatsu SAA6D125E-5 engine delivering 207 kW (278 HP) and a robust Komatsu Hydro-shift transmission with 4 forward and 4 reverse gears. Its substantial operating weight of 23,000 kg (50,700 lb) and a generous 4.0 m³ (5.2 yd³) bucket capacity highlight its suitability for heavy-duty material handling and construction applications. The machine's design emphasizes reliability and performance, making it a dependable asset for various industrial and commercial operations. This comprehensive Shop Manual and Operation & Maintenance Manual provides essential information for the proper care and servicing of your Komatsu WA470-6. It details critical maintenance procedures, including fluid capacities for engine oil, hydraulic oil, and coolant, as well as information on the dual-element dry-type air filter. Technical specifications cover engine displacement, power output, transmission details, and machine dimensions, including length, width, and height. Safety guidelines and troubleshooting advice are also included to ensure safe operation and efficient problem resolution. This manual is an indispensable resource for owners, operators, and technicians seeking to maintain the optimal performance and longevity of their equipment.