This workshop service repair manual provides comprehensive information for the Hyundai HL780-7A Wheel Loader. Designed for industrial and construction operations, this heavy equipment is engineered for reliability and performance. This manual details the various systems of the wheel loader, ensuring owners and operators have the necessary knowledge to understand and utilize its capabilities effectively. This manual serves as an essential resource for routine and preventive maintenance, aiming to save time and money by preventing premature failure and unnecessary repairs. It covers a wide range of topics including general information, engine systems, power train, brake and steering systems, work equipment, and the electrical system. With detailed procedures, specifications, and troubleshooting guides, this English-language manual is suitable for owners and technicians of all levels, facilitating efficient maintenance and repair.