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

John Deere 644H Wheel Loader

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

Bucket

Breakout Force	28976 lbs (13,143 kg)
Bucket Capacity - heaped	4.3 cu yd (3 cu m)
Bucket Capacity - struck	3.8 cu yd (3 cu m)

Dimensions

Dump Clearance at Max Lift	9 ft (3 m)
Fork Tine Length	5.1 ft (2 m)
Ground Clearance	1.6 ft (0 m)
Height - Top of Cab	11.2 ft (3 m)
Hinge Pin Max Height	13.6 ft (4 m)
Length w/ Bucket on Ground	27.2 ft (8 m)
Length with out Forks on Ground	28.4 ft (9 m)
Max Lift Height	12.9 ft (4 m)
Reach at Max Height and Dump	3.8 ft (1 m)
Wheelbase	10.5 ft (3 m)
Width Over Tires	9.5 ft (3 m)

Engine

Aspiration	Turbocharged
Displacement	496 cu in (0 cu m)
Engine Model	6081H
Gross Power	180 hp (134 kw)
Max Torque	755 lbs ft
Net Power	221 hp (165 kw)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm
Torque Rise	75%

Hydraulic System

Dump Time	1.4 seconds
Lower Time	3 seconds
Pump Flow Capacity	68 gpm (257 lpm)
Pump Type	Piston Pump
Raise Time	6.2 seconds
Relief Valve Setting	3600 psi

Operating Specifications

Alternator Supplied Amperage	55 amps
Fuel Capacity	100 gal (379 l)
Operating Voltage	24 volts
Operating Weight	38876 lbs (17,634 kg)
Rear Axle Oscillation	26 degrees
Static Tipping Load - Bucket	31210.1 lbs (14,157 kg)
Static Tipping Load - Forks	22782 lbs (10,334 kg)
Tire Size	23.5-25
Turning Radius	18.1 ft (6 m)

Transmission

Max Speed Forward	22 mph (35 kph)
Max Speed Reverse	15.5 mph (25 kph)
Number of Forward Gears	4
Number of Reverse Gears	3
Transmission Type	Power Shift

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