John Deere 644E Specs (Weight, Lift Capacity, Hp, Dimensions)

Manufacturer John Deere
Model 644E
Type Wheel Loader
Horsepower 160 hp (119,3 kW)
Weight 34110 lbs (15472,0 kg)
Tipping Capacity 27180 lbs (12328,6 kg)
Max Speed 25.5 mph (41,0 km/h)
Engine Model 6466T
No Of Cylinders 6
Aspiration Turbocharged
Displacement 466 cu in. (7636,4 cc)
Alternator Supplied Amperage 65 amps
Operating Voltage 12 V
Rated Speed 2200 RPM
Torque Speed 1400 RPM
Net Power 160 hp (119,3 kW)
Gross Power 168 hp (125,3 kW)
Peak Torque 510 lbs ft (691,5 N-m)
Fuel Capacity 75 gal (283,9 l)
Engine Oil Capacity 6.4 gal (24,2 l)
Cooling Capacity 7.6 gal (28,8 l)
Hydraulic System Capacity 30.4 gal (115,1 l)
Transmission Oil Capacity 3.7 gal (14,0 l)
Differential Front Capacity 6.1 gal (23,1 l)
Differential Rear Capacity 6.1 gal (23,1 l)
Transmission Type Power shift
No of Forward Gears 4
No of Reverse Gears 3
Rear Axle Oscillation 26°
Max Speed (Forward) 25.5 mph (41,0 km/h)
Max Speed (Reverse) 16.4 mph (26,4 km/h)
Pump type Gear
Pump Flow 65.5 GPM (247,9 LPM)
Relief Pressure 2850 psi (196,5 bar)
Raise Lift Arms 6.2 sec
Lower Lift Time 3.5 sec
Bucket Dump Time 1.8 sec
Operating Weight 34110 lbs (15472,0 kg)
Tipping Load 27180 lbs (12328,6 kg)
Bucket Capacity (Heaped) 3.3 cu yds (2,5 m³)
Bucket Capacity (Struck) 2.8 cu yds (2,1 m³)
Bucket Width 108 in (274,3 cm)
Breakout Force 37070 lbs (16814,7 kg)
Reach At Max Lift And Dump 36 in (91,4 cm)
Dump Clearance At Max Raise 120 in (304,8 cm)
Turning Radius 216 in (548,6 cm)
Wheelbase 120 in (304,8 cm)
Bucket Hinge Pin 156 in (396,2 cm)
Cab Height 132 in (335,3 cm)
Overall Length 300 in (762,0 cm)
Ground Clearance 24 in (61,0 cm)
Width Over Tires 108 in (274,3 cm)
Tire Size 20.5-25

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