The Bobcat 553 Skid Steer Loader is a robust and reliable machine designed for a wide range of demanding tasks. Featuring a powerful Kubota D1503-M-EGB diesel engine, this loader delivers 33.3 hp and is equipped with a hydrostatic drive system utilizing two-speed, variable displacement hydraulic motors for efficient operation. Its engineering prioritizes durability and performance, making it an essential tool for construction, landscaping, and various industrial applications. This manual covers units with serial numbers beginning 528011001 and up. This Service Repair Manual provides comprehensive guidance for maintaining and repairing the Bobcat 553 Skid Steer Loader. It includes detailed information on preventive maintenance, complete disassembly instructions, troubleshooting procedures, and technical specifications for all major systems, including the engine, hydraulic system, hydrostatic drive, main frame, and electrical system. The manual is presented in English and is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their equipment.