This service repair manual covers the Hyundai Forklift Truck models 50D-7E, 60D-7E, 70D-7E, and 80D-7E. These heavy-duty diesel forklifts, manufactured by Hyundai Heavy Industries, are designed for industrial material handling and offer robust performance and reliability. The '-7E' designation signifies a specific generation of these well-engineered machines, known for their quality and durability in demanding work environments. This manual provides comprehensive information for maintaining and repairing these industrial workhorses. This manual is a complete service and repair resource designed for forklift technicians, mechanics, and owners. It details general information including safety, specifications, and periodic replacement schedules. Coverage extends to the removal and installation of units and functions, as well as in-depth procedures for the Power Train, Brake, Steering, Hydraulic, Electric, and Mast systems. With detailed diagrams, troubleshooting guides, and step-by-step repair procedures, this manual serves as an essential tool for diagnosing, maintaining, and repairing all major systems, ensuring optimal performance and longevity of your Hyundai forklift.