1. Introducing the JOHN DEERE 640C Hay and Forage Windrow Pickups, a comprehensive solution for efficient and hassle-free hay collection. This all-inclusive package includes the TM404619 online PDF manual, providing you with detailed instructions and guidance for optimal performance. Designed by industry-leading brand JOHN DEERE, these windrow pickups are built to withstand rugged conditions and deliver exceptional results. With the convenience of the online manual, you can easily access valuable information and enhance your productivity. Upgrade your hay and forage collection process with the JOHN DEERE 640C Hay and Forage Windrow Pickups.