This Service Repair Factory Manual provides comprehensive information for the Komatsu WA470-6LC and WA480-6LC Wheel Loaders, designed for demanding construction and material handling applications. These heavy equipment models are engineered for robust performance and reliability, reflecting Komatsu's commitment to quality in heavy machinery. This manual covers units with serial numbers H50880 and up, and H60470 and up, ensuring precise guidance for specific equipment configurations. The purpose of this English-language manual is to serve as an indispensable resource for owners, technicians, and mechanics. It details crucial aspects of vehicle upkeep, including in-depth maintenance procedures, troubleshooting guidance for common issues, and essential technical specifications. With step-by-step instructions, diagrams, and drawings, this manual empowers users to effectively maintain, diagnose, and repair their Komatsu wheel loaders, ensuring optimal operational efficiency and longevity.