John Deere 644B


John Deere 644B industrial tractor photo
1974 - 1980
Wheel Loader
644A
Series:544B644B
644C
Production
ManufacturerJohn Deere
TypeWheel Loader
John Deere 644B Engine
John Deere 8.7L 6-cyl diesel
Fuel tank56 gal
212.0 L
Engine details ...
John Deere 644B Power
Engine (gross)160 hp
119.3 kW
Engine (net)145 hp
108.1 kW
Mechanical
Chassis4x4 articulated 4WD
Final drivesinboard planetary
Steeringarticulated power
Brakeshydraulic wet disc
CabFour-post ROPS with canopy. Cab optional.
Photos
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Hydraulics
Typeopen center
Pressure2250 psi
155.1 bar
Pump flow62.5 gpm
236.6 lpm
Steering flow26.5 gpm
100.3 lpm
Steering press.2350 psi
162.0 bar
Dimensions & Tires
Wheelbase104 inches
264 cm
Weight28100 lbs
12746 kg
Front tire20.5-25
Rear tire20.5-25
Full dimensions and tires ...
Electrical
Charging systemalternator
Batteries2
Battery volts12
References
644B reference literature
Construction Purchasing Guide published in 1974, by John Deere
Page information
Contact: Peter Easterlund
Updated on September 9, 2021
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