John Deere 644GH Wheel Loader

SKU: 644GH Category: ,
Weights
Operating Weight

36634 lb

Static Tipping Weight

29712 lb

Platform
Lower Time

3.5sec

Boom / Stick / Bucket
Bucket Capacity - Heaped

4 yd3

Bucket Capacity - Struck

3.63 yd3

Breakout Force

38045 lb

Engine & Fuel System
Engine Make

2240

Engine Model

6076A

Engine Oil Fluid Capacity

6.4 gal

Fuel Capacity

75.1 gal

Gross Power

196 hp

Max Torque

643 lb ft

Torque Measured @

1300 rpm

Net Power

185 hp

Number Of Cylinders

6

Power Measured @

2200 rpm

Aspiration

Turbocharged and aftercooled

Cooling System Fluid Capacity

7.6 gal

Displacement

466 cu in

Hydraulic System
Pump Flow Capacity

69.5 gal/min

Pump Type

Gear pump type

Relief Valve Setting

3000 psi

Dimensions, Wheels & Tires
Tire Size

20.5-25

Wheelbase

10.5 ft in

Width Over Tires

8.97 ft in

Dump Clearance At Max Raise

9.66 ft in

Ground Clearance

1.59 ft in

Turning Radius

18 ft in

Height To Top Of Cab

11.23 ft in

Battery & Electrical System
Alternator Supplied Amperage

95 A

Operating Voltage

12 V

Transmission
Transmission Fluid Capacity

3.7 gal

Transmission Type

powershift

Max Speed - Forward

21.5 mph

Max Speed - Reverse

13.7 mph

Number Of Forward Gears

4

Number Of Reverse Gears

3

Technical Specs
Bucket Width

10.01 ft in

Length With Bucket On Ground

25.79 ft in

Hinge Pin - Max Height

13.13 ft in

Reach At Max Lift And Dump

3.45 ft in

Rear Axle/Diff Fluid Capacity

7.4 gal

Rear Axle Oscillation

26 degrees

Raise Time

6.2sec

Dump Time

1.8sec