The Bobcat 553 Skid Steer Loader is a robust and versatile machine designed for a wide range of demanding tasks. Featuring a powerful 34.5 HP diesel engine with indirect injection and liquid cooling, it offers reliable performance for construction, landscaping, and material handling applications. Its hydrostatic transmission and four-wheel drive system provide excellent maneuverability, controlled by dual T-handle levers. With an operating weight of 4600 lbs and a rated operating capacity of 1300 lbs, the 553 is engineered for durability and efficiency in challenging environments. This Workshop Service Repair Manual provides comprehensive guidance for the Bobcat 553 Skid Steer Loader, covering serial numbers 528011001 and above, and 528111001 and above. It details essential maintenance procedures, including fluid specifications and change intervals for engine oil and hydraulic systems. Technical specifications, troubleshooting information, and safety guidelines are also included to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of their equipment. This English language manual is designed to be an indispensable resource for all service and repair needs.