This manual covers the Komatsu WA470-5H Wheel Loader, designed for demanding operational environments. Known for its robust engineering and reliability, this model is built to deliver consistent performance in various heavy-duty applications. The WA470-5H integrates advanced features to enhance operator efficiency and productivity, making it a valuable asset for construction, mining, and material handling operations. This machine represents a commitment to quality and durability, ensuring it meets the rigorous standards expected in its class. The purpose of this Operation & Maintenance Manual is to provide comprehensive guidance for the Komatsu WA470-5H Wheel Loader, serial numbers WA470H50051 and up. It details essential procedures for operation, handling, lubrication, maintenance, checking, and adjustment, aiming to help operators and maintenance personnel achieve peak performance safely and economically. The manual includes extensive information on general views, component explanations, transportation, cold weather operation, long-term storage, and troubleshooting. Furthermore, it covers detailed maintenance schedules, service procedures, wear parts, lubricant specifications, and standard tightening torques. Technical data, including noise and vibration levels, safety precautions, and operator assistance features, is also provided to ensure optimal and safe utilization of the equipment.