This manual covers the Komatsu WA600-1LC Wheel Loader, serial number A50001 and up. Designed for demanding work environments, this machine embodies Komatsu's commitment to robust engineering and reliable performance. Its capabilities extend to various operational tasks, ensuring efficiency and productivity in its intended applications. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides detailed guidance for maintaining and repairing your Komatsu WA600-1LC. It includes extensive sections on engine, power train, steering, brake, air, work equipment, and electrical systems, featuring structure and function explanations, testing and adjusting procedures, disassembly and assembly instructions, and maintenance standards. With detailed illustrations, diagrams, and schemes, this manual is an essential resource for owners, mechanics, and technicians to ensure optimal operation and longevity of the equipment.