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

John Deere 644B Wheel Loader

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

Bucket

Breakout Force	24,120 lbs (10,941 kg)
Bucket Capacity - heaped	3 cu yd (2 cu m)
Bucket Capacity - struck	2 cu yd (2 cu m)
Bucket Width	9 ft (3 m)
Dump Clearance at Max Raise	9 ft (3 m)

Dimensions

Ground Clearance	2 ft (1 m)
Height - Top of Cab	11 ft (3 m)
Hinge Pin - Max Height	12 ft (4 m)
Length with Bucket on Ground	21 ft (6 m)
Reach at Max Lift and Dump	3 ft (1 m)
Wheelbase	9 ft (3 m)

Engine

Aspiration	Turbocharged
Displacement	531 cu in (8,702 cu cm)
Gross Power	160 hp (119 kw)
Net Power	145 hp (108 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1500 rpm

Hydraulic System

Pump Flow Capacity	58 gpm (220 lpm)
Pump Type	Gear
Relief Valve Setting	2250 psi

Operating Specifications

Alternator Supplied Amperage	42 amps
Cooling System Fluid Capacity	12 gal (47 l)
Engine Oil Fluid Capacity	6 gal (21 l)
Front Axle/Diff Fluid Capacity	6 gal (23 l)
Fuel Capacity	56 gal (212 l)
Hydraulic System Fluid Capacity	18 gal (66 l)
Operating Voltage	12 volts
Operating Weight	28,100 lbs (12,746 kg)
Rear Axle Oscillation	22 degrees
Rear Axle/Diff Fluid Capacity	6 gal (24 l)
Static Tipping Weight	22,905 lbs (10,390 kg)
Tire Size	14.5-25 / 20.5-25
Transmission Fluid Capacity	10 gal (37 l)
Turning Radius	16 ft (5 m)

Transmission

Max Speed - Forward	26 mph (42 kph)
Max Speed - Reverse	10 mph (16 kph)
Number of Forward Gears	4
Number of Reverse Gears	2
Transmission Type	Power shift Planetary

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