The Bobcat 553 Skid Steer Loader is a versatile machine engineered for demanding tasks in construction and related fields. Designed for optimal performance and reliability, this model offers robust capabilities for operation and maintenance. Its construction quality ensures durability in challenging work environments, making it a dependable asset for various professional applications. This comprehensive Operation and Maintenance Manual provides essential information for the Bobcat 553 Skid Steer Loader, serial number range 520311001 and above. It covers critical areas including operational instructions, engine starting and stopping procedures, machine traveling, and operation in special work sites. Furthermore, the manual details maintenance schedules, lubrication, fuel and lubricant specifications, electrical system maintenance, and tightening torque specifications. Safety hints for various operating stages, as well as transportation procedures, are also included to ensure safe and efficient use of the equipment.