1. The JOHN DEERE W660 COMBINES TM407719 is a reliable and efficient agricultural machine designed to streamline the harvesting process. This online PDF manual provides comprehensive instructions and detailed information on the operation, maintenance, and troubleshooting of the combine. With its advanced features and user-friendly interface, this manual is a valuable resource for farmers and technicians looking to maximize the performance and longevity of their JOHN DEERE W660 combine.