This manual covers the Komatsu WA470-6 and WA480-6 Wheel Loaders, designed for heavy-duty applications. These machines, identified by serial numbers WA470-6 A46001 and up, and WA480-6 A48001 and up, are engineered for robust performance and reliability in demanding work environments. Their advanced diesel engine, the 6D125E-5, provides efficient power for various operational needs, making them essential tools in construction and material handling. This comprehensive Service Repair Manual, written in English, provides detailed guidance for the maintenance, repair, and servicing of these Wheel Loaders. It includes extensive information on disassembly, assembly, troubleshooting, and diagnostics, supported by specifications, diagrams, and photo illustrations. The manual is designed to assist owners, mechanics, and technicians in effectively maintaining the operational integrity and longevity of their Komatsu equipment.