This Service Shop Repair Manual covers the Komatsu WA600-3 AVANCE Wheel Loader, including the WA600-3D (TBG SPEC.) variant, for serial numbers 50001 and up. Engineered for demanding operational environments, this machine exemplifies Komatsu's commitment to robust construction and reliable performance. Its advanced design and powerful engine options, including the SA6D170E-2 and SAA6D170E-3, ensure efficiency and productivity in various heavy-duty applications. This comprehensive English-language manual provides detailed, step-by-step instructions for repair, servicing, and technical maintenance. It includes actual photo illustrations, diagrams, and schemes, making it an invaluable resource for all skill levels. The manual covers general information, structure and function, testing and adjusting, disassembly and assembly, maintenance standards, and other essential areas, empowering owners and technicians to perform repairs, reduce costs, and ensure the longevity of their equipment.