1. The John Deere Combines W540, W550, W650, W660, T550, T560, T660, T670, and C670 are top-of-the-line agricultural machines designed to efficiently harvest crops. This online PDF manual, TM402119, provides comprehensive information on the operation, maintenance, and troubleshooting of these powerful combines, ensuring optimal performance and longevity. Ideal for farmers and agricultural professionals looking to maximize productivity in the field, this manual is a valuable resource for getting the most out of John Deere's cutting-edge harvesting equipment.