1. Introducing the JOHN DEERE644K 4WD Loader with an efficient engine, the 6090HDW13 TM12105 - ONLINE PDF MANUAL. This powerful loader is designed to tackle heavy-duty tasks with ease. With its 4-wheel drive capability, it provides excellent traction and maneuverability on various terrains. The included online PDF manual ensures easy access to comprehensive instructions and maintenance guidelines, allowing users to maximize the loader's performance and longevity. Whether it's construction, landscaping, or agricultural work, the JOHN DEERE644K 4WD Loader is a reliable and versatile choice.