This Service Repair Workshop Manual provides comprehensive information for the Komatsu WA100-1 Wheel Loader, serial numbers 10001 and up. Engineered for robust performance and reliability, this machine is designed to meet the demanding requirements of various operational environments. Its construction emphasizes durability and efficiency, making it a valuable asset for any project requiring heavy lifting and material handling capabilities. This manual serves as an essential resource for both do-it-yourself enthusiasts and experienced mechanics. It covers detailed procedures for complete disassembly and reassembly of the machine, including the engine, power train, steering system, brake system, work equipment, and electric and electronic systems. With step-by-step instructions, highly detailed diagrams, and clear explanations, this English-language guide empowers users to perform maintenance, diagnostics, and repairs effectively, ensuring the continued optimal performance of their Komatsu WA100-1 Wheel Loader.