All Equipment Category Specs ↠ Wheel Loaders ↠ John Deere 644D

John Deere 644D Wheel Loader

Category: Wheel Loaders (See all Wheel Loaders for sale)
Manufacturer: John Deere (See all John Deere Equipment for sale)
Model: 644D (See all John Deere 644D for sale)

Bucket

Breakout Force	24,430 lbs (11,081 kg)
Bucket Capacity - heaped	3 cu yd (2 cu m)
Bucket Capacity - struck	3 cu yd (2 cu m)
Bucket Width	9 ft (3 m)
Dump Clearance at Max Raise	10 ft (3 m)

Dimensions

Ground Clearance	2 ft (1 m)
Height - Top of Cab	11 ft (3 m)
Hinge Pin - Max Height	13 ft (4 m)
Length with Bucket on Ground	23 ft (7 m)
Reach at Max Lift and Dump	3 ft (1 m)
Wheelbase	10 ft (3 m)
Width Over Tires	9 ft (3 m)

Engine

Aspiration	Turbocharged
Displacement	466 cu in (7,636 cu cm)
Engine Model	6-466T
Gross Power	165 hp (123 kw)
Net Power	155 hp (116 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 gpm (238 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 gal (28 l)
Engine Oil Fluid Capacity	5 gal (19 l)
Front Axle/Diff Fluid Capacity	6 gal (23 l)
Fuel Capacity	67 gal (254 l)
Hydraulic System Fluid Capacity	25 gal (95 l)
Operating Voltage	12 volts
Operating Weight	29,320 lbs (13,299 kg)
Rear Axle Oscillation	22 degrees
Rear Axle/Diff Fluid Capacity	6 gal (23 l)
Static Tipping Weight	25,210 lbs (11,435 kg)
Tire Size	20.5-25
Transmission Fluid Capacity	10 gal (37 l)
Turning Radius	17 ft (5 m)

Transmission

Max Speed - Forward	27 mph (44 kph)
Max Speed - Reverse	8 mph (13 kph)
Number of Forward Gears	4
Number of Reverse Gears	2
Transmission Type	Power shift planetary

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