This workshop service repair manual covers the Hyundai 110D-7E, 130D-7E, 140D-7E, and 160D-7E forklift trucks. These diesel-powered machines, part of Hyundai's robust industrial equipment line, are engineered for reliability and efficiency in demanding operational environments. The '-7E' designation signifies a specific generation, incorporating design and technological advancements. The manual provides comprehensive information essential for understanding and maintaining these forklifts, which are built to handle significant lifting capacities, ranging from approximately 11,000 to 16,000 lbs depending on the model. The purpose of this manual is to provide detailed guidance for the service, repair, and maintenance of the specified Hyundai forklift models. It encompasses a wide array of critical systems, including the engine, transmission, braking, steering, hydraulic, electrical, and mast assemblies. Users will find in-depth procedures for troubleshooting, disassembly, assembly, and adjustments, alongside essential safety hints, operational checks, and fluid specifications. This resource is designed to assist owners, mechanics, and technicians in performing routine preventive maintenance, ensuring optimal performance, preventing premature failure, and facilitating accurate repairs, thereby saving time and money.