This manual covers the Bobcat S250 Turbo and S300 Turbo skid-steer loaders, specifically for units with serial numbers 521511001 and above, and 521611001 and above. These turbocharged machines are engineered for robust performance and reliability, featuring a hydrostatic transmission and a skid-steer loader drive configuration. The Bobcat Quick Tach system ensures extensive attachment compatibility, making these loaders versatile for a wide range of applications. This comprehensive service manual, identifier 6901926, provides detailed, high-resolution illustrations and diagrams to guide users through maintenance and repair procedures. It includes step-by-step instructions, information on routine service intervals, fluid capacities, and technical specifications. Designed for local shops and service technicians, this searchable and printable English manual is an essential resource for maintaining the operational integrity and longevity of your Bobcat skid-steer loader.