John Deere 644G

The John Deere 644G is a wheel loader manufactured by John Deere from 1992 to 1998. It features a John Deere 7.6L 6-cylinder turbocharged aftercooled diesel engine producing 170 hp net and 178 hp gross. The loader has a 4-speed power shift transmission with 4 forward and 3 reverse gears. It is equipped with four-wheel drive, articulated power steering, hydraulic wet disc brakes, and a four-post ROPS canopy with an optional air-conditioned cab. The hydraulics system is open center with 3000 psi pressure and 69.5 gpm pump flow. Dimensions include a 126 inch wheelbase, 310.4 inch length, and an operating weight of 35236 lbs. The loader attachments provide a breakout force of 34171 lbs, a 55° dump angle, and a bucket width of 112.2 inches. Tires are industrial size 20.5-25 or 23.5-25 front and rear. Electrical system uses a 12 volt battery with negative ground and alternator charging.