The Bobcat 873 BICS Skid Steer Loader, identified by serial numbers within the ranges 5141 11001 - 39999 and 5142 11001 - 39999, represents a robust piece of equipment engineered for demanding tasks. This model is designed for reliability and efficiency, offering powerful performance across a variety of applications. Its construction emphasizes durability and ease of operation, making it a valuable asset for construction, landscaping, and agricultural industries. The integrated BICS (Bobcat Interlock Control System) enhances safety and operational control, a key feature of its advanced design. This comprehensive manual serves as an essential resource for maintaining and repairing the Bobcat 873 BICS Skid Steer Loader. It covers critical areas including preventative maintenance, detailed repair procedures, diagnostic troubleshooting, and technical specifications for all major systems. The manual provides in-depth information on the engine, transmission, hydraulic systems, and electrical components, along with a vast array of accessories and options. Designed for professional technicians, mechanics, and DIY users, this guide ensures that owners can effectively service, restore, and rebuild their equipment, maximizing its operational lifespan and performance.