This Service Shop Repair Manual covers the Komatsu WA500-1L Wheel Loader, serial number A20854 and up. Engineered for heavy equipment applications, this machine is designed for robust performance in demanding environments. Its construction emphasizes reliability and efficiency, making it a valuable asset for various industrial and construction tasks. This comprehensive manual provides detailed information essential for the maintenance, assembly, disassembly, and servicing of the WA500-1L. It includes step-by-step operations, technical maintenance procedures, and troubleshooting guidance for key systems such as the engine, power train, steering, brakes, and work equipment. With the aid of diagrams, real photo illustrations, and schemes, users can effectively diagnose and resolve issues, ensuring the optimal performance and longevity of their equipment.