This workshop service repair manual covers the Hyundai HL770A Wheel Loader. Engineered for reliability and peak operating condition, this machine is designed for demanding tasks. Understanding its components and maintenance requirements is crucial for optimal performance and longevity. This manual provides the essential information for anyone involved with the operation, servicing, or repair of this robust piece of equipment. The purpose of this manual is to serve as a comprehensive guide for the Hyundai HL770A Wheel Loader. It details critical areas including general information, safety hints, specifications, structure and function, hydraulic systems, electrical systems, mechatronics, troubleshooting, maintenance standards, and disassembly/assembly procedures. Adhering to the scheduled maintenance outlined is very important for compensating for initial wear and maintaining peak operating condition. This resource is invaluable for owners, mechanics, and technicians seeking to maintain and repair the vehicle effectively.