1. The TIGERCAT 860C FELLER BUNCHER SERVICE MANUAL covers serial numbers 86011501-86013500 and 86012101-86012499, providing detailed instructions for maintenance, repair, and troubleshooting of the equipment. This comprehensive manual is essential for ensuring optimal performance and longevity of the TIGERCAT 860C FELLER BUNCHER, making it a valuable resource for operators and technicians alike.