This service repair manual covers the Komatsu WA200-5H and WA200PT-5H Wheel Loaders. These machines are engineered for robust performance and reliability in demanding operational environments. The manual provides comprehensive information for these specific models, identified by serial number prefixes H50051 and up for the WA200-5H, and H60051 and up for the WA200PT-5H. This English-language manual offers detailed guidance for maintenance and repair. It includes step-by-step instructions, high-quality diagrams, and covers everything from structure and function to testing, adjusting, disassembly, and assembly. The scope extends from front to rear, encompassing all necessary procedures to help owners and technicians maintain the vehicle efficiently, save costs, and ensure optimal performance.