This manual covers the Komatsu WA470-5 and WA480-5 wheel loaders from the 5 Series generation. These robust machines are engineered for demanding operational environments, offering reliable performance and efficient power delivery. The WA470-5, powered by a Komatsu SAA6D125E-5 diesel engine, delivers 243 kW (326 HP) and features a 11.0 L displacement. The larger WA480-5 is equipped with a Komatsu SAA6D140E-5 diesel engine, producing 262 kW (351 HP) with a 15.2 L displacement. Both models feature the Komatsu Advanced Transmission Electronic Control System (S-Mode) with 4 forward and 4 reverse gears, designed for optimal traction and fuel efficiency. Their substantial operating weights and dimensions underscore their capability for heavy-duty material handling tasks.

This comprehensive Factory Service/Repair/Workshop Manual provides essential information for maintaining and repairing your Komatsu WA470-5 or WA480-5 wheel loader. It details general information, structure, function, maintenance standards, testing and adjusting procedures, and disassembly and assembly processes. Key maintenance coverage includes service intervals for engine oil (500 hours) and hydraulic oil (2000 hours), along with fluid capacities for engine oil (34.7 L), hydraulic tank (176 L), and fuel tank (400 L). This manual is an indispensable resource for owners, mechanics, and technicians to ensure the longevity and optimal performance of these powerful machines.