This manual covers the Komatsu WA90-5 and WA100M-5 Wheel Loaders, designed for robust performance in various operational environments. These machines are engineered for reliability and efficiency, featuring advanced components and construction to meet demanding work requirements. The specific serial number range for these models begins at 50051 and up, ensuring you have the correct documentation for your unit. The Komatsu WA90-5 WA100M-5 Wheel Loader Service Shop Repair Manual provides comprehensive guidance for maintenance, assembly, disassembly, and servicing. It includes detailed information across sections such as safety, general information, structure and function, testing and adjusting, and disassembly and assembly. This manual is an essential resource for owners and technicians, offering step-by-step instructions, technical specifications, diagrams, and schematics to facilitate efficient and accurate repair and maintenance procedures.