This Service Shop Repair Manual covers the Komatsu WA90-5 and WA100M-5 models. These machines are engineered for demanding operational environments, reflecting Komatsu's commitment to robust construction and reliable performance. The manual provides comprehensive information for these models, which are designed for efficiency and durability in various industrial applications. The purpose of this manual is to assist owners, mechanics, and technicians in the diagnosing, repairing, and maintaining of the Komatsu WA90-5 and WA100M-5. It includes detailed sections on safety, general information, structure and function, testing and adjusting, disassembly and assembly, and other essential procedures. With actual real photo illustrations and schemes, this English language manual offers 301 pages of technical guidance to ensure optimal vehicle operation and longevity.