John Deere 644D

John Deere 644D industrial tractor photo
1985 - 1986
Wheel Loader
ManufacturerJohn Deere
TypeWheel Loader
John Deere 644D Engine
John Deere 7.6L 6-cyl diesel
Fuel tank67 gal
253.6 L
Engine details ...
John Deere 644D Power
Engine (gross)165 hp
123.0 kW
Engine (net)155 hp
115.6 kW
Chassis4x4 articulated 4WD
Final drivesinboard planetary
Steeringarticulated power
Brakeshydraulic wet disc
CabFour-post ROPS with canopy. Cab optional with available air-conditioning.
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Typeopen center
Pressure2625 psi
181.0 bar
Pump flow63 gpm
238.5 lpm
Dimensions & Tires
Wheelbase115 inches
292 cm
Weight29320 lbs
13299 kg
Front tire20.5-25
Rear tire20.5-25
Full dimensions and tires ...
Charging systemalternator
ROPS Charging amps42
Cab Charging amps90
Battery CCA625
Battery volts12
644D reference literature
Construction Equipment Purchasing Guide published in 1986, by John Deere
Page information
Contact: Peter Easterlund
Updated on September 8, 2021
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