This service repair workshop manual covers Komatsu Wheel Loaders, models WA470-5H and WA480-5H, for serial numbers WA470H50051 and up, and WA480H50051 and up. These machines are engineered for demanding applications in construction, material handling, and loading, powered by reliable diesel engines. The Komatsu WA470-5H and WA480-5H are built with a focus on robust performance and operational efficiency, making them essential equipment for various industrial tasks. This comprehensive manual provides detailed information essential for the maintenance and repair of your Komatsu Wheel Loader. It includes step-by-step instructions, hundreds of photos and illustrations, and exploded diagrams to guide you through safety procedures, general overviews, structure and function analysis, testing and adjustment, and disassembly and assembly processes. The manual is designed to assist owners, mechanics, and technicians in effectively servicing the equipment, ensuring its longevity and optimal performance.