The Komatsu WA480-6H is a robust wheel loader from the WA-6H Series, designed for demanding operational environments. Engineered for reliability and efficiency, this machine features a powerful Komatsu SAA6D125E-5 turbocharged, aftercooled diesel engine, delivering a net power of 214 kW (287 HP). Its substantial operating weight of 25915 kg and a bucket capacity of 4.0 m³ make it suitable for heavy-duty material handling tasks. The Komatsu Hydro-shift transmission with 4 forward and 4 reverse gears, coupled with a planetary gear type final drive, ensures optimal power and control across various job sites. This comprehensive manual serves as an essential guide for the operation, maintenance, and repair of the Komatsu WA480-6H, covering serial numbers H50051 and up. It includes detailed information on technical specifications, maintenance schedules, lubrication requirements, and troubleshooting procedures. With 1554 pages of content in English, this Shop Manual and Operation Maintenance Manual provides critical data for owners, technicians, and mechanics to ensure the optimal performance, longevity, and safety of the equipment.