Categories ↠ Wheel Loaders ↠ John Deere 644GH

John Deere 644GH Wheel Loader

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

General Specifications

Bucket

Breakout Force	38,045 lbs (17,257 kg)
Bucket Capacity - heaped	4 cu yd (3 cu m)
Bucket Capacity - struck	4 cu yd (3 cu m)
Bucket Width	10 ft (3 m)
Dump Clearance at Max Raise	10 ft (3 m)

Dimensions

Ground Clearance	2 ft (0 m)
Height - Top of Cab	11 ft (3 m)
Hinge Pin - Max Height	13 ft (4 m)
Length with Bucket on Ground	26 ft (8 m)
Reach at Max Lift and Dump	4 ft (1 m)
Wheelbase	11 ft (3 m)
Width Over Tires	9 ft (3 m)

Engine

Aspiration	Turbocharged and Aftercooled
Displacement	466 cu in (7,636 cu cm)
Engine Model	6076A
Gross Power	196 hp (146 kw)
Net Power	185 hp (138 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm

Hydraulic System

Dump Time	1.8 seconds
Lower Time	3.5 seconds
Pump Flow Capacity	70 gpm (263 lpm)
Pump Type	Gear pump type
Raise Time	6.2 seconds
Relief Valve Setting	3000 psi

Operating Specifications

Alternator Supplied Amperage	95 amps
Cooling System Fluid Capacity	8 gal (29 l)
Engine Oil Fluid Capacity	6 gal (24 l)
Front Axle/Diff Fluid Capacity	7 gal (28 l)
Fuel Capacity	75 gal (284 l)
Hydraulic System Fluid Capacity	30 gal (115 l)
Operating Voltage	12 volts
Operating Weight	36,634 lbs (16,617 kg)
Rear Axle Oscillation	26 degrees
Rear Axle/Diff Fluid Capacity	7 gal (28 l)
Static Tipping Weight	29,712 lbs (13,477 kg)
Tire Size	20.5-25
Transmission Fluid Capacity	4 gal (14 l)
Turning Radius	18 ft (5 m)

Transmission

Max Speed - Forward	22 mph (35 kph)
Max Speed - Reverse	14 mph (22 kph)
Number of Forward Gears	4
Number of Reverse Gears	3
Transmission Type	Powershift

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