This full service manual covers the Toyota Skid Steer Loader, including models SDK SGK6, SDK6, SDK7, and SDK8. These industrial equipment units are engineered for demanding applications, featuring robust construction and reliable performance. The manual details various powertrain configurations, including hydrostatic transmissions and all-wheel drive systems, alongside comprehensive information on the skid steering control system, axle systems, and brake systems. Specific engine details for different models are provided, such as the Toyota 4P and 2J engines, and the Yanmar 3T84H engine, ensuring accurate maintenance and repair for each variant. The purpose of this manual is to provide detailed technical information for the maintenance, repair, and servicing of the Toyota Skid Steer Loader. It includes essential data on the hydraulic system, featuring oil pump and oil control valve specifics, as well as circuit diagrams. Information on attachments, including lift arm and bucket bracket interfaces, is also covered. This comprehensive guide is designed for owners, mechanics, and technicians, offering step-by-step procedures, troubleshooting guidance, technical specifications, and a list of special service tools to ensure optimal operation and longevity of the equipment.