This manual covers the Komatsu WA65-5 Wheel Loader, serial numbers H50051 and up. Engineered for reliability and performance, this machine is designed to meet the demanding needs of various operational environments. Its robust construction and advanced features ensure efficient and dependable service, making it a valuable asset for any project requiring heavy-duty material handling. The purpose of this Operation & Maintenance Manual is to provide comprehensive information for the safe and effective operation, maintenance, and servicing of your Komatsu WA65-5 Wheel Loader. It details essential procedures, troubleshooting guidance, technical specifications, and safety protocols. This manual is an indispensable resource for owners, operators, and service technicians, enabling them to maintain the vehicle's optimal performance and longevity.