1. The John Deere 640H and 648H Skidder TM10312 online PDF manual is a comprehensive guide designed to assist users in operating and maintaining their skidders efficiently. This manual provides detailed instructions, diagrams, and troubleshooting tips to ensure optimal performance and longevity of the equipment. With easy access to this digital resource, users can quickly reference information whenever needed, making it a valuable tool for both novice and experienced operators.