This Service Repair Manual provides comprehensive information for the Komatsu WA320-7 Wheel Loader, designed for efficient loading and material handling. Built by Komatsu Ltd., this robust piece of construction equipment features a 6D107E-2 diesel engine, an indirect injection, water-cooled, 4-cycle engine that ensures reliable performance. Its 4-wheel drive system is engineered for demanding operational environments, reflecting Komatsu's commitment to quality and durability in heavy machinery. The purpose of this manual is to serve as an authoritative guide for maintaining and repairing the WA320-7 Wheel Loader. It details essential procedures, including specifications, structure and function, standard value tables, testing and adjusting, troubleshooting, disassembly and assembly, and maintenance standards. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment through accurate and detailed technical guidance.