This manual covers the Hyundai HL780-3A Wheel Loader, a robust piece of equipment designed for demanding operational environments. Engineered for reliability and efficiency, this model represents a significant advancement in wheel loader technology, offering superior performance for a wide range of construction and material handling tasks. Its advanced design and durable construction ensure consistent operation and longevity, making it a valuable asset for any professional operation. This Factory Service Repair Manual provides comprehensive guidance for the maintenance and repair of the Hyundai HL780-3A Wheel Loader. It includes detailed information on general maintenance, safety procedures, engine systems, power train, brake system, steering system, work equipment, and the electrical system. The manual offers in-depth coverage of structure and function, operational checks, troubleshooting, test and adjustments, and disassembly and assembly procedures, empowering owners and technicians to maintain the vehicle in optimal condition.