Categories ↠ Wheel Loaders ↠ John Deere 644D

John Deere 644D Wheel Loader

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

Bucket

Breakout Force	24,430.00 lbs (11,081.28 kg)
Bucket Capacity - heaped	3.00 cu yd (2.29 cu m)
Bucket Capacity - struck	2.60 cu yd (1.99 cu m)
Bucket Width	8.80 ft (2.68 m)
Dump Clearance at Max Raise	9.80 ft (2.99 m)

Dimensions

Ground Clearance	1.70 ft (0.52 m)
Height - Top of Cab	10.50 ft (3.20 m)
Hinge Pin - Max Height	12.70 ft (3.87 m)
Length with Bucket on Ground	23.10 ft (7.04 m)
Reach at Max Lift and Dump	3.10 ft (0.94 m)
Wheelbase	9.60 ft (2.93 m)
Width Over Tires	8.60 ft (2.62 m)

Engine

Aspiration	Turbocharged
Displacement	466.00 cu in (7,636.39 cu cm)
Engine Model	6-466T
Gross Power	165.00 hp (123.04 kw)
Net Power	155.00 hp (115.59 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1400 rpm

Hydraulic System

Dump Time	2 seconds
Lower Time	4.3 seconds
Pump Flow Capacity	63.00 gpm (238.46 lpm)
Pump Type	Gear type pump
Raise Time	6.1 seconds
Relief Valve Setting	2625 psi

Operating Specifications

Alternator Supplied Amperage	42 amps
Cooling System Fluid Capacity	7.40 gal (28.01 l)
Engine Oil Fluid Capacity	5.10 gal (19.30 l)
Front Axle/Diff Fluid Capacity	6.10 gal (23.09 l)
Fuel Capacity	67.00 gal (253.60 l)
Hydraulic System Fluid Capacity	25.10 gal (95.00 l)
Operating Voltage	12 volts
Operating Weight	29,320.00 lbs (13,299.34 kg)
Rear Axle Oscillation	22 degrees
Rear Axle/Diff Fluid Capacity	6.10 gal (23.09 l)
Static Tipping Weight	25,210.00 lbs (11,435.08 kg)
Tire Size	20.5-25
Transmission Fluid Capacity	9.80 gal (37.09 l)
Turning Radius	16.50 ft (5.03 m)

Transmission

Max Speed - Forward	27.30 mph (43.93 kph)
Max Speed - Reverse	8.20 mph (13.20 kph)
Number of Forward Gears	4
Number of Reverse Gears	2
Transmission Type	Power shift planetary

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