This factory service repair manual covers the Hyundai HSL600T and HSL680T Skid Steer Loaders, designed for heavy equipment applications. These machines are engineered for reliability and performance in demanding work environments. This manual provides comprehensive information to ensure optimal operation and longevity of your equipment. The purpose of this manual is to serve as a complete guide for the service and repair of the Hyundai HSL600T and HSL680T Skid Steer Loaders. It includes detailed sections on engine, hydraulic system, hydrostatic drive system, final drive, control system, electrical system, and main frame. With easy-to-follow step-by-step instructions, high-resolution diagrams, and pictures, this manual is suitable for both do-it-yourself owners and experienced mechanics. It covers essential maintenance procedures, technical specifications, and troubleshooting guidance.