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John Deere 644H

John Deere 644H

Brand: John Deere
Category: Wheel Loaders
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Horsepower 180 hp (134,2 kW)
Weight 50630 lbs (22965,4 kg)
Tipping Capacity 32860 lbs (14905,0 kg)
Max Speed 17.1 mph (27,5 km/h)

Specs
Overview
Reviews

Specs

General Machine Info

Type

Wheel Loader

Engine Performance

Alternator Supplied Amperage	55 amps
Operating Voltage	24 V
Rated Speed	2200 RPM
Torque Speed	1300 RPM
Gross Power	205 hp (152,9 kW)
Peak Torque	745 lbs ft (1010,1 N-m)

Fluid Volumes

Fuel Capacity	90 gal (340,7 l)
Engine Oil Capacity	6.7 gal (25,4 l)
Cooling Capacity	7.7 gal (29,1 l)
Hydraulic System Capacity	31 gal (117,3 l)
Differential Front Capacity	7.2 gal (27,3 l)
Differential Rear Capacity	7.2 gal (27,3 l)

Powertrain System

Transmission Type	Power shift
Rear Axle Oscillation	18°
Max Speed (Forward)	17.1 mph (27,5 km/h)
Max Speed (Reverse)	17.8 mph (28,6 km/h)

Hydraulic Operation

Pump type	Piston pump
Relief Pressure	3600 psi (248,2 bar)

Cycle Times

Raise Lift Arms	6.2 sec
Bucket Dump Time	1.4 sec

Performance and Capacity

Operating Weight	50630 lbs (22965,4 kg)
Tipping Load	32860 lbs (14905,0 kg)
Bucket Capacity (Heaped)	5 cu yds (3,8 m³)
Bucket Capacity (Struck)	4.4 cu yds (3,4 m³)
Bucket Width	132 in (335,3 cm)
Breakout Force	37610 lbs (17059,6 kg)
Reach At Max Lift And Dump	72 in (182,9 cm)
Dump Clearance At Max Raise	156 in (396,2 cm)
Turning Radius	216 in (548,6 cm)

Loader Dimensions

Wheelbase	120 in (304,8 cm)
Bucket Hinge Pin	180 in (457,2 cm)
Cab Height	132 in (335,3 cm)
Overall Length	324 in (823,0 cm)
Width Over Tires	108 in (274,3 cm)
Tire Size	23.5-25

Our Rating

The overall rating is based on review by our experts.

7.7

Power 7 / 10
Price 8 / 10
Quality 8 / 10
Durability 8 / 10
Comfort 7 / 10
Speed 8 / 10
Reliability 8 / 10
Handling 7 / 10
Safety 8 / 10
Performance 7 / 10
Stability 8 / 10
Fuel Consumption 8 / 10

Reviews

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Disclaimer Note

While the information on this platform is carefully reviewed, we cannot guarantee the absence of possible errors or omissions. Therefore, we recommend verifying technical specifications with your dealer before making any purchases. The information provided here is for general purposes only and does not come with a guarantee of accuracy. It is crucial to obtain up-to-date and precise information before making any decisions.