Machine description: 1999 John Deere 644H Wheel Loader. 19.887 Hrs Showing. JD 6081H 6-Cyl Turbo Diesel Engine. 180 HP. Power Shift Transmission With 4 Forward & 3 Reverse Gears. Air Ride Seat. AC/Heat. AM/FM Radio. 4.5 Y... more info about the 1999 John Deere 644H.