John Deere 644H MH Wheel Loader

SKU: 644H MH Category: ,
Weights
Operating Weight

38927 lb

Static Tipping Weight

30906 lb

Platform
Lower Time

3sec

Boom / Stick / Bucket
Bucket Capacity - Heaped

4.5 yd3

Bucket Capacity - Struck

3.8 yd3

Breakout Force

34340 lb

Engine & Fuel System
Engine Make

2240

Engine Model

6081H

Engine Oil Fluid Capacity

6.7 gal

Fuel Capacity

90 gal

Gross Power

212 hp

Max Torque

745 lb ft

Torque Measured @

1300 rpm

Torque Rise

40%

Net Power

180 hp

Number Of Cylinders

6

Power Measured @

2200 rpm

Aspiration

Turbocharger with Aftercooler

Cooling System Fluid Capacity

7.7 gal

Displacement

496 cu in

Hydraulic System
Pump Flow Capacity

74 gal/min

Pump Type

Piston-pump

Relief Valve Setting

3600 psi

Dimensions, Wheels & Tires
Tire Size

23.5-25

Wheelbase

10.5 ft in

Width Over Tires

9.43 ft in

Dump Clearance At Max Raise

9.72 ft in

Ground Clearance

1.56 ft in

Turning Radius

18.1 ft in

Height To Top Of Cab

11.2 ft in

Battery & Electrical System
Alternator Supplied Amperage

55 A

Operating Voltage

24 V

Transmission
Transmission Fluid Capacity

6.9 gal

Transmission Type

Power Shift

Max Speed - Forward

24 mph

Max Speed - Reverse

16.4 mph

Number Of Forward Gears

4

Number Of Reverse Gears

3

Technical Specs
Bucket Width

9.98 ft in

Length With Bucket On Ground

25.64 ft in

Hinge Pin - Max Height

13.64 ft in

Reach At Max Lift And Dump

3.47 ft in

Rear Axle/Diff Fluid Capacity

7.2 gal

Rear Axle Oscillation

26 degrees

Raise Time

6sec

Dump Time

1.2sec