The Bobcat 553 Skid Steer Loader is a versatile and robust piece of equipment designed for demanding operational environments. Engineered for reliability and efficiency, this model, identified by serial numbers 520411001 and above, offers exceptional performance in various applications. Its design prioritizes user control and operational effectiveness, making it a valuable asset for construction, landscaping, and material handling tasks. This Operation & Maintenance Manual provides comprehensive guidance for the Bobcat 553 Skid Steer Loader. It covers essential information, including pre-operation checks, engine and travel procedures, working device and attachment operation, and control device functions. Furthermore, the manual details crucial maintenance schedules, lubrication charts, fluid specifications, and torque settings, alongside vital safety precautions for operation, maintenance, and parking. This resource is intended to assist owners and technicians in maintaining the optimal performance and longevity of their equipment.