This comprehensive Komatsu WA480-5H and WA470-5H Wheel Loader Workshop Shop Service Repair Manual provides detailed technical information and step-by-step instructions for servicing, maintaining, and repairing these powerful machines. Covering models with serial numbers WA470H50051 and up for the WA470-5H and WA480H50051 and up for the WA480-5H, this manual is an essential resource for technicians, mechanics, and anyone involved in the operation and maintenance of these loaders. The manual features an extensive menu-driven structure, allowing for easy navigation and quick access to the specific information needed. With over 1300 pages packed with technical diagrams, illustrations, and detailed procedures, this manual covers every aspect of the WA480-5H and WA470-5H, including: * **Engine:** Covers the engine system, including the engine itself, fuel system, cooling system, lubrication system, and exhaust system. * **Transmission:** Provides thorough instructions for servicing and repairing the transmission, torque converter, and associated components. * **Hydraulic System:** Details the operation, maintenance, and troubleshooting of the hydraulic system, including the pumps, valves, cylinders, and hoses. * **Brakes:** Includes detailed information on the braking system, covering the components, adjustments, and troubleshooting procedures. * **Steering System:** Covers the steering system, including the steering wheel, steering gear, and related components. * **Electrical System:** Offers comprehensive guidance on the electrical system, covering wiring diagrams, components, and troubleshooting procedures. * **Body and Frame:** Provides information on the bodywork, frame, and related components, including attachments and implements. * **Troubleshooting and Diagnostics:** Includes sections dedicated to troubleshooting common issues and providing fault codes and diagnostic procedures. This manual is an invaluable tool for anyone involved in the maintenance and repair of Komatsu WA480-5H and WA470-5H wheel loaders, ensuring efficient, safe, and cost-effective operation of these critical machines.

The Komatsu WA480-5H and WA470-5H wheel loaders are powerful and versatile machines designed for demanding applications in various industries. These loaders are known for their robust construction, high productivity, and operator comfort. The WA480-5H is equipped with a powerful Komatsu SAA6D140E-2 engine that delivers a net power output of 293 horsepower, while the WA470-5H features a SAA6D125E-2 engine delivering 259 horsepower. Both models feature a load capacity of 4.8 cubic yards (3.7 cubic meters), providing ample power for handling heavy materials. These loaders are equipped with a durable and reliable Z-bar linkage, which ensures high breakout force and excellent bucket control. The advanced hydraulic system and high-torque transmission contribute to smooth and efficient operation, allowing for fast cycle times and increased productivity. Furthermore, the WA480-5H and WA470-5H prioritize operator comfort and safety. The spacious and ergonomically designed cab offers excellent visibility and controls that are easy to operate. The operator's seat is fully adjustable, providing optimal comfort for long working hours. The loaders are equipped with a range of safety features, including a ROPS/FOPS certified cab, a backup alarm, and a comprehensive lighting system that enhances visibility during night or low-light conditions. These features contribute to a safe and productive working environment for the operator. The Komatsu WA480-5H and WA470-5H wheel loaders are ideal for a wide range of applications, including material handling, construction, mining, and quarrying. Their impressive performance, reliability, and operator comfort make them a valuable asset for any demanding worksite.