?? 2014 John Deere 644K Wheel Loader ? 4 Cu. Yd. Capacity & JRB Coupler Product Overview Bring high-volume material handling muscle, rapid cycle times, and legendary structural durability to your pit, quarry, or construction yard with this production-ready 2014 John Deere 644K wheel loader. Showing 8,277 original operating hours, this heavy-duty machine represents John Deere's popular "K-Series" family?highly favored by fleet managers for its balanced weight distribution, smooth hydraulic response, and exceptional fuel efficiency under full load.
At the core of this loader is a high-displacement, 9.0-liter John Deere 6090HDW19 6-cylinder diesel engine (Engine Serial: RG6090U001065) pushing out a potent 232 net horsepower. Paired with an automated Powershift transmission, a premium JRB hydraulic quick-coupler, and factory ride control, this 4-cubic-yard class wheel loader is optimized to maximize your daily tons-per-hour output.
Engine: John Deere 9.0L 6-Cylinder Turbo Diesel (Engine Model: 6090HDW19 / Serial: RG6090U001065 / 232 Net HP)
Transmission: Premium Powershift Transmission (Delivers smooth, on-the-fly automated gear shifting to match load changes, reducing operator fatigue and accelerating truck loading cycles).
Chassis: Heavy-duty articulation with an integrated front hydraulic differential lock to maintain traction in slick clay, loose sand, or deep mud.
JRB Hydraulic Quick-Coupler & Bucket Package: Quick Coupler: Factory-equipped with a JRB Hydraulic Quick-Coupler system.
Note: This premium hydraulic attachment interface allows the operator to switch from the high-capacity material bucket to heavy-duty utility pallet forks or a snow plow in seconds without leaving the safety of the enclosed cab.
Loader Bucket: High-capacity, commercial-grade JRB Material Bucket.
Bucket Dimensions: Generous 4.0 cubic yard capacity with a wide 119.5-inch cutting profile (Perfectly sized to clean up wide tracks and quickly load standard triple-axle dump trucks in just a few passes).
Deluxe Enclosed Operator Station: Premium Cab: Full factory-enclosed ROPS/FOPS cab equipped with high-output, operational Air Conditioning and Heating systems for all-season operator productivity.
Bucket Controls: Low-effort, single-lever Hydraulic Joystick Controller providing precise, fluid control over lift, tilt, and dump functions.
Ride Control System: Integrated factory Hydraulic Ride Control (Acts as a shock absorber for the loader arms during travel, drastically reducing material spillage from the bucket when traveling over rough terrain while delivering a much smoother, less fatiguing ride for the operator).
Note: This wide, heavy-ply radial footprint delivers outstanding lateral machine stability, high flotation across soft ground, and deep lug traction for aggressive bank-cutting and pile-pushing applications.
? Dealer Note: The John Deere 644K is universally respected as one of the best production-class wheel loaders in its weight category, delivering low operating costs and high resale value. This specific 8,277-hour asset is a top-tier configuration, completely outfitted with the highly coveted JRB hydraulic coupler and factory ride control. Fully multi-point drivetrain inspected, hydraulic pressure-tested, and fluid-checked, this John Deere loader is 100% turn-key and ready to go straight to work in your material yard today!
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