This manual covers the Hyundai 100D-7, 120D-7, 135D-7, and 160D-7 forklift trucks, part of the robust 7 Series. These diesel-powered forklifts are engineered for demanding industrial environments, offering reliable performance and durability. With load capacities ranging from 10,000 to 16,000 lbs, they are designed to handle a wide variety of material handling tasks efficiently. Hyundai's commitment to quality construction and operator comfort is evident in the ergonomic design of the operator compartment and the advanced features integrated into the 7 Series. This comprehensive service repair manual provides detailed information for the maintenance and repair of your Hyundai forklift. It covers all primary systems, including the power train, brake system, steering system, hydraulic system, electric system, and mast system. The manual offers in-depth guidance, from basic operational checks and routine maintenance to complex disassembly, assembly, adjustment procedures, and advanced troubleshooting. Its systematic approach to diagnostics and repair techniques ensures that owners, fleet managers, and technicians have the necessary knowledge to keep these machines operating optimally and minimize downtime.