John Deere 644D Wheel Loader

Dump Clearance At Max Raise

9.75ft in

Bucket Capacity - Heaped

3yd3

Bucket Capacity - Struck

2.52yd3

Bucket Width

8.73ft in

Breakout Force

24430lb

Ground Clearance

1.69ft in

Length With Bucket On Ground

23.08ft in

Width Over Tires

8.55ft in

Height To Top Of Cab

10.5ft in

Wheelbase

9.59ft in

Hinge Pin - Max Height

12.67ft in

Reach At Max Lift And Dump

3.07ft in

Number Of Cylinders

6

Engine Make

2240

Engine Model

6-466T

Net Power

155hp

Gross Power

165hp

Power Measured @

2200rpm

Max Torque

480lb ft

Displacement

466cu in

Torque Measured @

1400rpm

Aspiration

turbocharged

Operating Weight

29320lb

Fuel Capacity

67gal

Engine Oil Fluid Capacity

5.1gal

Cooling System Fluid Capacity

7.4gal

Transmission Fluid Capacity

9.8gal

Rear Axle/Diff Fluid Capacity

6.1gal

Static Tipping Weight

25210lb

Turning Radius

16.5ft in

Operating Voltage

12V

Alternator Supplied Amperage

42amps

Rear Axle Oscillation

22degrees

Tire Size

20.5-25

Transmission Type

Power Shift Planetary

Number Of Forward Gears

4

Number Of Reverse Gears

2

Max Speed - Forward

27.3mph

Max Speed - Reverse

8.2mph

Relief Valve Setting

2625psi

Pump Flow Capacity

63gal/min

Raise Time

6.1sec

Dump Time

2sec

Lower Time

4.3sec

Pump Type

Gear Type Pump