This manual covers the Bobcat 553 Skid Steer Loader, serial number 516311800 and above. Designed for demanding operational environments, the Bobcat 553 is engineered for reliability and efficient performance in various construction and material handling tasks. Its robust construction and user-friendly controls make it a versatile and dependable machine for a wide range of applications. This comprehensive operation and maintenance manual provides essential information for the safe and effective use of your Bobcat 553 Skid Steer Loader. It details critical aspects including general introduction, specifications, instrument and controls, operating instructions, fuels and lubricants, and detailed maintenance procedures. The manual also includes safety guidelines, transportation preparation, and troubleshooting tips, serving as an indispensable resource for owners, operators, and technicians.