This manual covers the Bobcat 553 Skid Steer Loader, serial numbers 539112001 and above. Designed for demanding work environments, the 553 Skid Steer Loader embodies Bobcat's commitment to robust engineering and reliable performance. Its versatile capabilities make it an essential tool for a wide range of applications, from construction and landscaping to agriculture and material handling. This machine is built to deliver efficiency and durability, ensuring productivity on any job site. The purpose of this comprehensive service repair manual is to provide detailed information for the maintenance, repair, and troubleshooting of your Bobcat 553 Skid Steer Loader. It includes extensive coverage of engine and transmission systems, scheduled maintenance procedures, fluid recommendations, diagnostics, electrical systems, various machine systems such as brakes and cooling, chassis and body components, operational guidelines, transportation procedures, and detailed technical specifications. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment.