This manual covers the Bobcat 553 Skid Steer Loader, specifically for serial numbers 513011001 and above. The Bobcat 553 is engineered for demanding work environments, offering robust performance and reliability. Its design prioritizes operator efficiency and operational longevity, making it a trusted choice for various construction, landscaping, and agricultural applications. Understanding and adhering to the procedures outlined within this guide will ensure the continued optimal performance of your equipment. The purpose of this Factory Service Repair Manual is to provide comprehensive information for the maintenance, servicing, and repair of the Bobcat 553 Skid Steer Loader. It includes detailed instructions for preventative maintenance, hydraulic and hydrostatic systems, drive systems, main frame, and electrical systems. Furthermore, the manual offers in-depth engine service procedures, system analysis, troubleshooting guides, and essential technical specifications. With detailed diagrams and charts, this resource is invaluable for owners, technicians, and mechanics seeking to maintain their equipment effectively and efficiently.