John Deere 644E Wheel Loader

Weights
Operating Weight

34108 lb

Static Tipping Weight

27181 lb

Platform
Lower Time

3.5sec

Boom / Stick / Bucket
Bucket Capacity - Heaped

3.25 yd3

Bucket Capacity - Struck

2.78 yd3

Breakout Force

37073 lb

Engine & Fuel System
Engine Make

2240

Engine Model

6466T

Engine Oil Fluid Capacity

6.4 gal

Fuel Capacity

75 gal

Gross Power

168 hp

Max Torque

510 lb ft

Torque Measured @

1400 rpm

Net Power

160 hp

Number Of Cylinders

6

Power Measured @

2200 rpm

Aspiration

turbocharged

Cooling System Fluid Capacity

7.6 gal

Displacement

466 cu in

Hydraulic System
Pump Flow Capacity

65.5 gal/min

Pump Type

Gear

Relief Valve Setting

2850 psi

Dimensions, Wheels & Tires
Tire Size

20.5-25

Wheelbase

10.5 ft in

Width Over Tires

8.71 ft in

Dump Clearance At Max Raise

9.77 ft in

Ground Clearance

1.65 ft in

Turning Radius

17.8 ft in

Height To Top Of Cab

11.16 ft in

Battery & Electrical System
Alternator Supplied Amperage

65 A

Operating Voltage

12 V

Transmission
Transmission Fluid Capacity

3.7 gal

Transmission Type

Power Shift

Max Speed - Forward

25.5 mph

Max Speed - Reverse

16.4 mph

Number Of Forward Gears

4

Number Of Reverse Gears

3

Technical Specs
Bucket Width

9.13 ft in

Length With Bucket On Ground

25.2 ft in

Hinge Pin - Max Height

13.13 ft in

Reach At Max Lift And Dump

3.09 ft in

Rear Axle/Diff Fluid Capacity

6.1 gal

Rear Axle Oscillation

26 degrees

Raise Time

6.2sec

Dump Time

1.8sec