Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
John Deere 644K wheel loader is a mid-size articulated loader used in construction, aggregate handling, material loading, and site preparation. It is part of John Deere's K-Series and is designed for productivity, visibility, and operator comfort. Typical applications include truck loading, stockpile work, and general earthmoving. The 644K is commonly equipped with a diesel engine, powershift transmission, hydraulic lift and tilt functions, and a front-mounted loader bucket. Available attachments may include forks, grapples, and specialty buckets. The model is recognized for balanced performance, durability, and service access in demanding jobsite conditions.