This manual covers the Komatsu WA180-1LC Wheel Loader, serial numbers 75001 and up. Designed for demanding operational environments, this machine exemplifies Komatsu's commitment to robust engineering and reliable performance. Its intended use encompasses a wide range of tasks including maintenance, assembly, disassembly, servicing, operation, handling, lubrication, checking, and adjustment, making it a versatile asset for various industrial and construction applications. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides essential information for the proper upkeep and repair of your Komatsu WA180-1LC. It details critical procedures for the engine, structure and function, testing and adjusting, disassembly and assembly, power train, steering system, brakes, work equipment system, and electric and electronic system. Additionally, it includes vital sections on safety precautions, operation, maintenance schedules, and technical specifications, ensuring that owners, mechanics, and technicians have the knowledge required to maintain peak operational efficiency and longevity of the equipment.