This Service & Operating Manual covers the Hyundai HSL600T and HSL680T Skid Steer Loaders, robust diesel-powered machines designed for demanding applications in construction, landscaping, and material handling. Engineered for reliability and performance, these 4-wheel drive loaders are suitable for various terrains and weather conditions, featuring joystick controls for efficient operation. With approximate weights of 2,800 kg for the HSL600T and 3,000 kg for the HSL680T, they are built to tackle challenging tasks. This comprehensive manual provides essential information for the proper operation, maintenance, and repair of your Hyundai Skid Steer Loader. It details critical procedures, including recommended service intervals, filter replacement schedules, and fluid specifications. Owners, operators, and technicians will find valuable guidance on troubleshooting, technical specifications, and safety protocols, ensuring the longevity and optimal performance of the equipment.