John Deere 644J High-lift Wheel Loader

John Deere 644J High-lift Wheel Loader Specs front
John Deere 644J High-lift Wheel Loader Specs front
John Deere 644J High-lift Wheel Loader Specs side
John Deere 644J High-lift Wheel Loader Specs side
John Deere 644J High-lift Wheel Loader Specs back
John Deere 644J High-lift Wheel Loader Specs back
Units

Dimensions

Bucket

G

Dump Clearance at Max Raise

11.08 ft in

Dimensions

A

Length with Bucket on Ground

28 ft in

C

Height to Top of Cab

11.17 ft in

D

Wheelbase

10.5 ft in

E

Ground Clearance

1.5 ft in

F

Hinge Pin - Max Height

15 ft in

H

Reach at Max Lift and Dump

3.83 ft in


Specifications

Engine

Number of Cylinders

6

Engine Make

2240

Engine Model

6068H

Net Power

185 hp

Power Measured @

2200 rpm

Displacement

414 cu in

Torque Measured @

1400 rpm

Max Torque

749

Torque Rise

55 %

Aspiration

Turbocharged charge air cooled

Operational

Operating Weight

40620 lb

Fuel Capacity

93 gal

Hydraulic System Fluid Capacity

31 gal

Engine Oil Fluid Capacity

6.5 gal

Cooling System Fluid Capacity

7.8 gal

Transmission Fluid Capacity

7.1 gal

Front Axle/Diff Fluid Capacity

5.9 gal

Rear Axle/Diff Fluid Capacity

5.9 gal

Static Tipping Weight

27689 lb

Turning Radius

18 ft in

Operating Voltage

24 V

Alternator Supplied Amperage

80 amps

Rear Axle Oscillation

24 degrees

Tire Size

23.5 R25

Transmission

Transmission Type

Automatic Powershift

Number of Forward Gears

4

Number of Reverse Gears

3

Max Speed - Forward

22 mph

Max Speed - Reverse

15.5 mph

Hydraulic System

Pump Type

Variable axial piston

Relief Valve Setting

3600

Pump Flow Capacity

68 gal/min

Raise Time

5.9 sec

Dump Time

1.9 sec

Lower Time

2.8 sec

Bucket

Breakout Force

30574 lb

Dump Clearance at Max Raise

11.1 ft in

Bucket Width

9.8 ft in

Bucket Capacity - heaped

4 yd3

Dimensions

Length with Bucket on Ground

28 ft in

Height to Top of Cab

11.2 ft in

Ground Clearance

1.5 ft in

Wheelbase

10.5 ft in

Hinge Pin - Max Height

15 ft in

Reach at Max Lift and Dump

3.9 ft in