This manual covers the Komatsu Dash 5 Series Wheel Loaders, including models WA470-5, WA480-5, WA470-5H, and WA480-5H. These machines are engineered for demanding operational environments, offering robust performance and reliability. The series is built upon a foundation of advanced engineering, designed to meet the rigorous requirements of heavy-duty applications. This comprehensive workshop manual provides detailed information for the maintenance, repair, and troubleshooting of your Komatsu wheel loader. It includes extensive coverage of all major systems, from the engine and powertrain to the steering, brake, and work equipment. With clear instructions and technical specifications, this manual is an essential resource for owners, technicians, and mechanics seeking to ensure optimal performance and longevity of their equipment.