Overview
The John Deere Construction & Forestry John Deere 644H MH is a wheel loader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 180 hp, operating weight of 38,927 lb, fuel capacity of 90.0 gal and hydraulic capacity of 31.0 gal. This model can be reviewed for loading, stockpile work, material handling, yard operations, and fleet comparison workflows. Use the full specifications table to compare the John Deere Construction & Forestry John Deere 644H MH against similar wheel loader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
38,927
lb
Net Power
180
hp
Gross Power
175
hp
Bucket Capacity - Heaped
4.50
yd3
Full Specifications
46 specs
Dimensions
Breakout Force
34,340 lb / 15,576 kg
Bucket Capacity - Heaped
4.50 yd³ / 3.44 m³
Bucket Capacity - Struck
3.80 yd³ / 2.91 m³
Bucket Width
9.98 ft / 3.04 m
Dump Clearance At Max Raise
9.72 ft / 2.96 m
Ground Clearance
1.56 ft / 0.48 m
Height to Top of Cab
11.20 ft / 3.41 m
Hinge Pin - Max Height
13.64 ft / 4.16 m
Length With Bucket On Ground
25.64 ft / 7.82 m
Reach At Max Lift And Dump
3.47 ft / 1.06 m
Wheelbase
10.50 ft / 3.20 m
Width Over Tires
9.43 ft / 2.87 m
Engine
Alternator Supplied Amperage
55 A
Cooling System Fluid Capacity
7.70 gal / 29.1 L
Displacement
496 cu in / 8.1 L
Engine Make
2240
Engine Model
6081H
Engine Oil Fluid Capacity
6.70 gal / 25.4 L
Front Axle/Diff Fluid Capacity
7.20 gal / 27.3 L
Fuel Capacity
90 gal / 340.7 L
Gross Power
212 hp / 158.1 kW
Hydraulic System Fluid Capacity
31 gal / 117.3 L
Max Speed - Forward
24 mph / 38.6 km/h
Max Speed - Reverse
16.40 mph / 26.4 km/h
Max Torque
745 lb-ft / 1,010 Nm
Net Power
180 hp / 134.2 kW
Number of Cylinders
6
Number of Forward Gears
4
Number of Reverse Gears
3
Operating Voltage
24 V
Operating Weight
38,927 lb / 17,657 kg
Power Measured @
2,200 rpm
Rear Axle Oscillation
26 lb / 12 kg
Rear Axle/Diff Fluid Capacity
7.20 gal / 27.3 L
Static Tipping Weight
30,906 lb / 14,019 kg
Tire Size
23.50 in / 597 mm
Torque Measured @
1,300 rpm
Torque Rise
40 lb-ft / 54 Nm
Transmission Fluid Capacity
6.90 gal / 26.1 L
Turning Radius
18.10 ft / 5.52 m
Hydraulics
Dump Time
1.20 sec
Gross Power
175 hp / 130.5 kW
Lower Time
3 sec
Pump Flow Capacity
74 gal/min / 280.1 L/min
Raise Time
6 sec
Relief Valve Setting
3,600 psi / 248.2 bar
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Frequently Asked Questions
What is the operating weight of the John Deere Construction & Forestry John Deere 644H MH? +
The John Deere Construction & Forestry John Deere 644H MH has an operating weight of 38,927 lb (17,657 kg). This places it in a class suited for wheel loader applications where ground pressure and transport weight are key considerations.
How powerful is the John Deere Construction & Forestry John Deere 644H MH engine? +
The John Deere Construction & Forestry John Deere 644H MH produces 212 hp (158.1 kW) of engine power. This output is typical for its weight class and designed to handle demanding Wheel Loader work cycles efficiently.
How does the John Deere Construction & Forestry John Deere 644H MH compare to similar Wheel Loader models? +
You can compare the John Deere Construction & Forestry John Deere 644H MH side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.