This Service Repair Manual covers the Bobcat 553 Skid Steer Loader, manufactured for model years 2001 and above, identified by serial number prefix 539412001. Engineered for demanding work environments, the Bobcat 553 is renowned for its robust construction and reliable performance, making it a trusted choice for various construction, landscaping, and agricultural applications. Its compact design and powerful capabilities ensure efficient operation in tight spaces, delivering the productivity and durability expected from Bobcat equipment. This comprehensive manual provides essential technical service information designed for troubleshooting and problem-solving. It includes detailed sections on preventive maintenance, engine service, hydraulic and hydrostatic systems, drive systems, the main frame, and the electrical system. Furthermore, it offers systems analysis, technical specifications, safety instructions, and vehicle identification details, including serial number locations. This resource is invaluable for owners, mechanics, and technicians seeking to maintain, repair, and optimize the performance of their Bobcat 553 Skid Steer Loader.