This manual covers the Komatsu WA270-3 and WA270PT-3 Wheel Loaders, designed for demanding operational environments. These machines are engineered for reliability and efficiency, offering robust performance in various material handling applications. The WA270-3 and WA270PT-3 models represent a commitment to durable construction and advanced functionality, making them essential tools for construction, mining, and general industrial use. This comprehensive service repair manual provides detailed information for maintaining and repairing your Komatsu wheel loader. It includes essential sections on safety, general information, structure and function, testing and adjusting, disassembly and assembly, and other critical areas. With high-quality diagrams and instructions, this manual is an invaluable resource for owners and technicians to ensure optimal performance and longevity of the WA270-3 and WA270PT-3, covering serial numbers WA270H20051 and up for the WA270-3, and WA270H30051 and up for the WA270PT-3.