The Komatsu WA430-6H is a robust wheel loader designed for demanding operational environments. Featuring a powerful Komatsu SAA6D114E-3 turbocharged, aftercooled, direct injection diesel engine, this machine delivers exceptional performance with a net power output of 257 HP. Its articulated frame steering and load-sensing hydraulics ensure precise control and efficiency during operation. With a standard bucket capacity of 3.1 m³ and an operating weight of 22,350 kg, the WA430-6H is engineered for reliability and productivity in a wide range of construction and material handling applications. This Workshop Manual provides comprehensive guidance for the maintenance and repair of the Komatsu WA430-6H wheel loader. It covers essential procedures, including detailed specifications for engine, transmission, and hydraulic systems, as well as lubrication requirements and service intervals. The manual is organized to assist owners, technicians, and mechanics in performing routine maintenance, troubleshooting complex issues, and ensuring the optimal performance and longevity of the equipment. With 1339 pages of detailed information in English, this manual is an indispensable resource for all aspects of WA430-6H operation and upkeep.