This Service Repair Manual covers the Komatsu WA470-6LC and WA480-6LC wheel loaders, serial numbers WA470-6LC H50880 and up, and WA480-6LC H60470 and up. These machines are engineered for demanding applications, featuring robust construction and the Komatsu Advanced Transmission with Lock-up for efficient operation. Their design prioritizes reliability and performance in various work environments. This manual provides comprehensive guidance for maintaining and repairing your Komatsu wheel loader. It includes detailed information on specifications, structure and function, testing and adjusting procedures, troubleshooting common issues, and disassembly and assembly instructions. Adhering to the maintenance standards and schedules outlined within will help ensure the longevity and optimal performance of your equipment.