This manual covers the Skid Steer Loader, including models 4SDK3, 4SDK4, 4SDK5, 4SDK6, 4SDK8, and 4SDK10. These machines are engineered for a variety of demanding tasks, offering robust performance and reliability in construction, landscaping, and agricultural applications. The 4SDK Series is recognized for its durable construction and efficient operation, designed to meet the rigorous needs of professional operators. This comprehensive Service Repair Manual provides detailed information essential for the maintenance, repair, and servicing of your Skid Steer Loader. It includes in-depth coverage of general information, engine, hydrostatic transmission (HST), reduction gear, steering, axle, brake, body, lift arm and bucket bracket, cylinders, oil pump, oil control valve, hydraulic system, and wiring diagrams. With step-by-step repair procedures, diagnostic guidance, technical specifications, and real photo illustrations, this manual is an invaluable resource for ensuring the optimal performance and longevity of your equipment.