This manual covers the Hyundai HDF50-7S and HDF70-7S Forklift Trucks, designed for robust material handling applications. Built by Hyundai Heavy Industries, known for reliable industrial equipment, these forklift trucks offer significant lift capacities, with the HDF50-7S supporting approximately 5000 lbs and the HDF70-7S supporting approximately 7000 lbs. The engineering quality of these machines ensures dependable performance in demanding environments, making them a valuable asset for various operational needs. This Factory Service Repair Manual provides comprehensive guidance for owners, technicians, and mechanics. It details essential maintenance procedures, including periodic replacements and operational checks, alongside in-depth repair information covering disassembly, assembly, and component removal and installation. The manual thoroughly addresses the power train, brake, steering, hydraulic, electric, and mast systems, offering structure and operation explanations, troubleshooting steps, and adjustment procedures. With factory-level coverage and clear diagrams, this manual is an indispensable resource for maintaining the optimal performance and longevity of your Hyundai forklift.