This manual covers the Bobcat 553 Skid Steer Loader, designed for demanding work environments. Known for its robust engineering and reliable performance, the 553 is a versatile machine built to tackle a wide range of tasks. Its compact design and powerful capabilities make it an essential tool for construction, landscaping, and agricultural applications. This service repair manual provides comprehensive information to ensure optimal operation and longevity of your equipment. The purpose of this factory service repair manual is to provide detailed guidance for the repair, servicing, and preventative maintenance of the Bobcat 553 Skid Steer Loader, serial numbers 528011001 and above. It includes in-depth coverage of the hydraulic system, electrical system, main frame, transmission, and hydrostatic system, along with engine service procedures. With clear instructions, troubleshooting procedures, systems analysis, diagrams, and charts, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair the vehicle effectively.