This Service Repair Manual covers the Komatsu WA320-7 Wheel Loader, serial numbers 80001 and up. Engineered for demanding construction and material handling applications, this robust machine is built with Komatsu's renowned quality and reliability. Its powerful Komatsu SAA6D107E-1 diesel engine delivers 134 kW (180 HP), providing ample performance for heavy-duty tasks. The WA320-7 features a 4WD drive system and a substantial operating weight of 18,140 kg (39,990 lbs), ensuring stability and efficiency in diverse work environments. This comprehensive manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the Komatsu WA320-7. It provides detailed information across numerous sections, including index and foreword, specifications, structure and function, standard value tables, testing and adjusting, troubleshooting, disassembly and assembly, maintenance standards, appendix, and diagrams. With included coverage for servicing, testing, adjusting, disassembly, assembly, and troubleshooting, this English-language manual is an essential resource for ensuring the optimal performance and longevity of your wheel loader.