John Deere 644B Wheel Loader

Dump Clearance At Max Raise

9.33ft in

Breakout Force

24120lb

Bucket Capacity - Heaped

2.5yd3

Bucket Capacity - Struck

2.05yd3

Bucket Width

8.73ft in

Ground Clearance

1.66ft in

Length With Bucket On Ground

21.1ft in

Height To Top Of Cab

10.63ft in

Wheelbase

8.67ft in

Hinge Pin - Max Height

12ft in

Reach At Max Lift And Dump

2.89ft in

Number Of Cylinders

6

Engine Make

2240

Net Power

145hp

Gross Power

160hp

Power Measured @

2200rpm

Max Torque

432lb ft

Displacement

531cu in

Torque Measured @

1500rpm

Aspiration

turbocharged

Operating Weight

28100lb

Fuel Capacity

56gal

Engine Oil Fluid Capacity

5.5gal

Cooling System Fluid Capacity

12.3gal

Transmission Fluid Capacity

9.8gal

Rear Axle/Diff Fluid Capacity

6.3gal

Static Tipping Weight

22905lb

Turning Radius

15.5ft in

Operating Voltage

12V

Alternator Supplied Amperage

42amps

Rear Axle Oscillation

22degrees

Tire Size

14.5-25 / 20.5-25

Transmission Type

Power Shift Planetary

Number Of Forward Gears

4

Number Of Reverse Gears

2

Max Speed - Forward

25.8mph

Max Speed - Reverse

10.2mph

Relief Valve Setting

2250psi

Pump Flow Capacity

58.2gal/min

Pump Type

Gear