This Service Repair Manual covers the Komatsu WA900L-3 Wheel Loader, serial numbers 52001 and up. Engineered for heavy equipment applications, this robust machine is designed for demanding operational environments. Its construction emphasizes reliability and performance, making it a trusted choice for various industrial and construction tasks. This manual provides comprehensive information to ensure the continued efficiency and longevity of your WA900L-3 unit. The purpose of this manual is to provide detailed guidance for the repair and maintenance of the Komatsu WA900L-3 Wheel Loader. It includes essential sections covering general information, structure and function, testing and adjusting, disassembly and assembly, maintenance standards, and other critical areas. With high-resolution diagrams and clear instructions, this English language manual is an indispensable resource for owners, mechanics, and technicians seeking to perform accurate diagnostics and effective repairs.