United States - English

Current number of specifications

John Deere 644H Integrated Tool Carrier

Selected Dimensions

A. Length w/ Bucket on Ground27.1 ft in8266 mm
B. Width Over Tires9.4 ft in2874 mm
C. Height to Top of Cab11.2 ft in3404 mm
D. Wheelbase10.5 ft in3200 mm
E. Ground Clearance1.5 ft in461 mm
F. Hinge Pin Max Height13.6 ft in4144 mm
G. Dump Clearance at Max Lift8.9 ft in2713 mm
I. Fork Tine Length5 ft in1525 mm
J. Length w/ Forks on Ground28.3 ft in8641 mm
K. Max Lift Height12.9 ft in3929 mm


MakeJohn Deere
Gross Power180 hp134 kw
Net Power221 hp165 kw
Power Measured @2200 rpm
Max Torque755 lb ft1020 Nm
Torque Measured @1300 rpm
Torque Rise75 %
Number of Cylinders6
Displacement496 cu in8.1 L
Operating Weight38876 lb17631 kg
Fuel Capacity100 gal379 L
Turning Radius18 ft in5500 mm
Operating Voltage24 V
Alternator Supplied Amperage55 amps
Rear Axle Oscillation26 degrees
Static Tipping Load - Bucket31210 lb14156.6 kg
Static Tipping Load - Forks22782 lb10334 kg
Tire Size23.5-25
TypePower Shift
Number of Forward Gears4
Number of Reverse Gears3
Max Speed Forward22 mph35.4 km/h
Max Speed Reverse15.5 mph24.9 km/h
Hydraulic System
Pump TypePiston Pump
Relief Valve Pressure3600 psi24850 kPa
Pump Flow Capacity68 gal/min257.4 L/min
Raise Time6.2 sec
Dump Time1.4 sec
Lower Time3 sec
Breakout Force28976 lb128.9 kN
Bucket Capacity - heaped4.3 yd33.2 m3
Bucket Capacity - struck3.8 yd32.9 m3
Width Over Tires9.4 ft in2874 mm
Height to Top of Cab11.2 ft in3404 mm
Wheelbase10.5 ft in3200 mm
Ground Clearance1.5 ft in461 mm
Hinge Pin Max Height13.6 ft in4144 mm
Length w/ Bucket on Ground27.1 ft in8266 mm
Dump Clearance at Max Lift8.9 ft in2713 mm
Reach at Max Height and Dump3.7 ft in1128 mm
Fork Tine Length5 ft in1525 mm
Length w/ Forks on Ground28.3 ft in8641 mm
Max Lift Height12.9 ft in3929 mm