John Deere 644GH Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: John Deere ➔
Model: 644GH ➔

Bucket

John Deere 644GH Wheel Loader Bucket specifications
Breakout Force	38,045.00 lbs (17,256.94 kg)
Bucket Capacity - heaped	4.00 cu yd (3.06 cu m)
Bucket Capacity - struck	3.70 cu yd (2.83 cu m)
Bucket Width	10.10 ft (3.08 m)
Dump Clearance at Max Raise	9.70 ft (2.96 m)

Dimensions

John Deere 644GH Wheel Loader Dimensions specifications
Ground Clearance	1.60 ft (0.49 m)
Height - Top of Cab	11.30 ft (3.44 m)
Hinge Pin - Max Height	13.20 ft (4.02 m)
Length with Bucket on Ground	25.80 ft (7.86 m)
Reach at Max Lift and Dump	3.50 ft (1.07 m)
Wheelbase	10.50 ft (3.20 m)
Width Over Tires	9.00 ft (2.74 m)

Engine

John Deere 644GH Wheel Loader Engine specifications
Aspiration	Turbocharged and Aftercooled
Displacement	466.00 cu in (7,636.39 cu cm)
Engine Model	6076A
Gross Power	196.00 hp (146.16 kw)
Net Power	185.00 hp (137.96 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm

Hydraulic System

John Deere 644GH Wheel Loader Hydraulic System specifications
Dump Time	1.8 seconds
Lower Time	3.5 seconds
Pump Flow Capacity	69.50 gpm (263.06 lpm)
Pump Type	Gear pump type
Raise Time	6.2 seconds
Relief Valve Setting	3000 psi

Operating Specifications

John Deere 644GH Wheel Loader Operating Specifications specifications
Alternator Supplied Amperage	95 amps
Cooling System Fluid Capacity	7.60 gal (28.77 l)
Engine Oil Fluid Capacity	6.40 gal (24.22 l)
Front Axle/Diff Fluid Capacity	7.40 gal (28.01 l)
Fuel Capacity	75.10 gal (284.25 l)
Hydraulic System Fluid Capacity	30.40 gal (115.06 l)
Operating Voltage	12 volts
Operating Weight	36,634.00 lbs (16,616.92 kg)
Rear Axle Oscillation	26 degrees
Rear Axle/Diff Fluid Capacity	7.40 gal (28.01 l)
Static Tipping Weight	29,712.00 lbs (13,477.15 kg)
Tire Size	20.5-25
Transmission Fluid Capacity	3.70 gal (14.00 l)
Turning Radius	18.00 ft (5.49 m)

Transmission

John Deere 644GH Wheel Loader Transmission specifications
Max Speed - Forward	21.50 mph (34.60 kph)
Max Speed - Reverse	13.70 mph (22.05 kph)
Number of Forward Gears	4
Number of Reverse Gears	3
Transmission Type	Powershift

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