John Deere 644D Wheel Loader

Weights
Operating Weight

29320 lb

Static Tipping Weight

25210 lb

Platform
Lower Time

4.3sec

Boom / Stick / Bucket
Bucket Capacity - Heaped

3 yd3

Bucket Capacity - Struck

2.52 yd3

Breakout Force

24430 lb

Engine & Fuel System
Engine Make

2240

Engine Model

6-466T

Engine Oil Fluid Capacity

5.1 gal

Fuel Capacity

67 gal

Gross Power

165 hp

Max Torque

480 lb ft

Torque Measured @

1400 rpm

Net Power

155 hp

Number Of Cylinders

6

Power Measured @

2200 rpm

Aspiration

turbocharged

Cooling System Fluid Capacity

7.4 gal

Displacement

466 cu in

Hydraulic System
Pump Flow Capacity

63 gal/min

Pump Type

Gear Type Pump

Relief Valve Setting

2625 psi

Dimensions, Wheels & Tires
Tire Size

20.5-25

Wheelbase

9.59 ft in

Width Over Tires

8.55 ft in

Dump Clearance At Max Raise

9.75 ft in

Ground Clearance

1.69 ft in

Turning Radius

16.5 ft in

Height To Top Of Cab

10.5 ft in

Battery & Electrical System
Alternator Supplied Amperage

42 A

Operating Voltage

12 V

Transmission
Transmission Fluid Capacity

9.8 gal

Transmission Type

Power Shift Planetary

Max Speed - Forward

27.3 mph

Max Speed - Reverse

8.2 mph

Number Of Forward Gears

4

Number Of Reverse Gears

2

Technical Specs
Bucket Width

8.73 ft in

Length With Bucket On Ground

23.08 ft in

Hinge Pin - Max Height

12.67 ft in

Reach At Max Lift And Dump

3.07 ft in

Rear Axle/Diff Fluid Capacity

6.1 gal

Rear Axle Oscillation

22 degrees

Raise Time

6.1sec

Dump Time

2sec