This manual covers the Hyundai HSL600T and HSL680T Skid Steer Loaders, designed for efficient operation in various demanding environments. These machines are engineered for robust performance, offering reliable power from their engine and precise control through an array of integrated systems. The focus on user-friendly operation and durable construction ensures that these skid steer loaders are a valuable asset for tasks ranging from material handling and site preparation to general construction work. The purpose of this operating manual is to provide comprehensive guidance for the safe and effective use, maintenance, and inspection of your Hyundai Skid Steer Loader. It details essential procedures, including starting instructions, operating techniques for various tasks, and the proper use of controls such as the instrument panel, steering, and auxiliary hydraulics. Furthermore, this manual outlines a thorough preventive maintenance schedule, covering daily checks, hourly service intervals, and specific maintenance for the engine, hydraulic system, and drivetrain. Technical specifications, troubleshooting guidance, and information on approved attachments are also included to assist owners and technicians in maximizing the longevity and performance of the equipment.