The Bobcat 553 Skid Steer Loader is a robust and versatile machine engineered for demanding work environments. Featuring a powerful Kubota D1105 diesel engine delivering 35.4 hp, this four-wheel-drive loader offers a hydrostatic transmission with two speed options, providing excellent maneuverability and control for a wide range of applications. With an operating weight of approximately 5,300 lbs and a rated operating capacity of 1,750 lbs, the 553 is designed for efficiency and reliability in construction, landscaping, and agricultural tasks. Its compact dimensions, including a length without bucket of approximately 98.7 inches and a width over tires of 58.3 inches, allow it to operate effectively in confined spaces. This comprehensive manual provides essential information for the operation, maintenance, and repair of the Bobcat 553 Skid Steer Loader. It includes detailed service repair procedures, operation and maintenance guidelines, and crucial wiring, hydraulic, and hydrostatic schematics. The manual is designed to assist owners, technicians, and mechanics in understanding the vehicle's systems, performing routine maintenance such as fluid changes with specified capacities and intervals, and troubleshooting potential issues. By following the instructions and specifications within this English-language guide, users can ensure the longevity, performance, and safety of their Bobcat 553.