This manual covers the Hyundai HL780-7A Wheel Loader. Designed for demanding operational environments, this machine embodies robust engineering and reliable performance. Its construction prioritizes efficiency and durability, making it a trusted asset for various industrial and construction applications. The HL780-7A is built to deliver consistent power and operational excellence, reflecting Hyundai's commitment to quality and advanced machinery. This comprehensive Factory Service/Repair/Workshop Manual provides detailed, step-by-step instructions for all repair procedures, accompanied by highly detailed exploded pictures and diagrams. It covers essential systems including the Engine, Power Train System, Brake System, Steering System, Work Equipment, and Electrical System. The manual includes operational checks, troubleshooting guides, test and adjustments, disassembly and assembly procedures, and critical safety hints, serving as an indispensable resource for owners, mechanics, and technicians to maintain and repair the Hyundai HL780-7A Wheel Loader effectively.