This Service Repair Manual provides comprehensive information for the Komatsu WA470-6LC and WA480-6LC Wheel Loaders, serial numbers H50880 and up, and H60470 and up. Engineered for heavy equipment applications, these models are renowned for their robust construction and reliable performance in demanding environments. This manual is designed to support the maintenance and repair needs of these powerful machines, ensuring their continued operational efficiency. The purpose of this manual is to serve as an indispensable resource for both do-it-yourself owners and experienced mechanics. It covers a wide array of essential topics, including detailed specifications, structural analysis, function and maintenance standards, standard value tables, testing and adjustment procedures, troubleshooting guides, and comprehensive disassembly and assembly instructions. With high-resolution diagrams and step-by-step instructions, this English-language manual facilitates a thorough understanding and execution of all maintenance and repair tasks.