This Factory Service Repair Manual provides comprehensive information for the Hyundai HL780-7A Wheel Loader. Engineered for reliability and performance, this robust machine is designed for demanding operational tasks. Its advanced construction and quality components ensure efficient service and longevity in various work environments. This manual details the intricacies of the HL780-7A, offering insights into its operational capabilities and maintenance requirements. The purpose of this English-language manual is to serve as an authoritative guide for service and repair. It covers essential areas including general information, engine systems, power train, brake, steering, work equipment, and electrical systems. With detailed structure and function explanations, troubleshooting procedures, test and adjustment guidelines, and disassembly/assembly instructions, this manual is an indispensable resource for owners and technicians. It aims to facilitate proper maintenance, ensure optimal performance, and extend the operational life of the Hyundai HL780-7A Wheel Loader.