This Service Repair Shop Manual provides comprehensive information for the Komatsu WA270-7 Wheel Loader, serial numbers A27001 and up. Engineered for demanding material handling, construction, and loading applications, this heavy equipment model is built for reliability and performance. Its robust design and advanced features, including the 6D107E-2 engine, ensure efficient operation and durability in challenging environments. This manual serves as an essential resource for owners, mechanics, and technicians. It covers critical areas such as routine maintenance, which helps prevent premature failure and saves time and money, along with detailed structure and function explanations, testing and adjusting procedures, troubleshooting guides, and disassembly and assembly instructions. With included diagrams, drawings, standard value tables, and an appendix, this English-language manual provides all the necessary technical specifications and guidance for maintaining and repairing the WA270-7.