John Deere 644J High-lift Wheel Loader
Units
Dimensions
Bucket
G
Dump Clearance At Max Raise
11.08ft in
Bucket Capacity - Heaped
4yd3
Bucket Width
9.75ft in
Breakout Force
30574lb
Dimensions
E
Ground Clearance
1.5ft in
A
Length With Bucket On Ground
28ft in
C
Height To Top Of Cab
11.17ft in
D
Wheelbase
10.5ft in
F
Hinge Pin - Max Height
15ft in
H
Reach At Max Lift And Dump
3.83ft in
Specifications
Engine
Number Of Cylinders
6
Engine Make
2240
Engine Model
6068H
Net Power
185hp
Power Measured @
2200rpm
Max Torque
749lb ft
Displacement
414cu in
Torque Measured @
1400rpm
Aspiration
Turbocharged charge air cooled
Torque Rise
55%
Operational
Operating Weight
40620lb
Fuel Capacity
93gal
Hydraulic System Fluid Capacity
31gal
Engine Oil Fluid Capacity
6.5gal
Cooling System Fluid Capacity
7.8gal
Transmission Fluid Capacity
7.1gal
Front Axle/Diff Fluid Capacity
5.9gal
Rear Axle/Diff Fluid Capacity
5.9gal
Static Tipping Weight
27689lb
Turning Radius
18ft in
Operating Voltage
24V
Alternator Supplied Amperage
80amps
Rear Axle Oscillation
24degrees
Tire Size
23.5 R25
Transmission
Transmission Type
Automatic Powershift
Number Of Forward Gears
4
Number Of Reverse Gears
3
Max Speed - Forward
22mph
Max Speed - Reverse
15.5mph
Hydraulic System
Relief Valve Setting
3600psi
Pump Flow Capacity
68gal/min
Raise Time
5.9sec
Dump Time
1.9sec
Lower Time
2.8sec
Pump Type
Variable axial piston
