This manual covers the Komatsu WA470-6 and WA480-6 Wheel Loaders, designed for robust performance in demanding environments. These machines are engineered for reliability and efficiency, featuring a powerful 6D125E-5 diesel engine and a 4WD hydrostatic transmission. Their construction prioritizes durability and operational effectiveness, making them suitable for a wide range of heavy-duty applications in construction, mining, and material handling. This comprehensive Service Repair Manual, along with the Operation & Maintenance Manual, provides essential information for maintaining and repairing your Komatsu wheel loader. It details disassembly, assembly, repair procedures, diagnostics, troubleshooting, technical maintenance, adjustments, lubrication, and checking. With detailed specifications, diagrams, and real photo illustrations, this manual is an indispensable resource for owners, mechanics, and technicians aiming to ensure peak performance, safety, and economical operation of their equipment.