The Komatsu WA380-6H Wheel Loader, designed for robust performance and reliability, is a powerful machine engineered for demanding operational environments. This model, applicable to serial numbers H60051 and upwards, features a Komatsu diesel engine, specifically the SAA6D107E-1, meeting Tier 3 / EU Stage IIIA emission standards. Its automatic/powershift transmission with 4 forward and 4 reverse gears, coupled with a 4-wheel drive system, ensures efficient power delivery. With an operating weight of 22,400 kg and a standard bucket capacity of 3.3 m³, the WA380-6H is built for productivity in various construction and material handling applications. This comprehensive Service and Repair Manual provides detailed guidance for maintaining and repairing the Komatsu WA380-6H Wheel Loader. Covering a vast range of information across 1296 pages, it includes step-by-step repair procedures, servicing schedules, preventative maintenance protocols, and troubleshooting guides. The manual is richly illustrated with photos, drawings, and exploded diagrams to aid understanding. It details components from the engine and drivetrain to the hydraulic system, cab, and electrical systems, offering essential information for owners, mechanics, and technicians to ensure the optimal performance and longevity of their equipment.