This manual covers the Hyundai HL780-7A Wheel Loader, a robust piece of heavy equipment designed for demanding construction and material handling applications. Engineered for reliability and performance, this 4WD diesel-powered machine is built to tackle a wide range of operational challenges. Its design prioritizes efficiency and durability, making it a valuable asset for any project requiring substantial material movement. This comprehensive document serves as both an Operating Manual and a Service Repair Manual, providing essential information for the safe and effective use, maintenance, and repair of your Hyundai HL780-7A Wheel Loader. It details operational procedures, outlines maintenance schedules, and offers guidance for troubleshooting. Owners, operators, and technicians will find the technical specifications and procedural instructions invaluable for ensuring the longevity and optimal performance of the equipment.