John Deere 644K High-Lift Wheel Loader
Units
Dimensions
Bucket
G
Dump Clearance At Max Raise
10.77ft in
Bucket Capacity - Heaped
4.25yd3
Bucket Capacity - Struck
3.7yd3
Bucket Width
9.98ft in
Breakout Force
30384lb
Dimensions
E
Ground Clearance
1.34ft in
A
Length With Bucket On Ground
28.25ft in
B
Width Over Tires
9.43ft in
C
Height To Top Of Cab
11.09ft in
D
Wheelbase
10.7ft in
F
Hinge Pin - Max Height
14.74ft in
H
Reach At Max Lift And Dump
3.67ft in
Specifications
Engine
Number Of Cylinders
6
Engine Make
2240
Engine Model
6068H, Tier III certified
Net Power
232hp
Power Measured @
1700rpm
Max Torque
749lb ft
Displacement
414cu in
Torque Measured @
1400rpm
Aspiration
Turbocharged charge air cooled
Torque Rise
55%
Operational
Operating Weight
40798.8lb
Fuel Capacity
93gal
Hydraulic System Fluid Capacity
29.1gal
Engine Oil Fluid Capacity
6.5gal
Cooling System Fluid Capacity
7.8gal
Transmission Fluid Capacity
6.1gal
Front Axle/Diff Fluid Capacity
5.9gal
Rear Axle/Diff Fluid Capacity
5.9gal
Static Tipping Weight
26958.2lb
Turning Radius
18.3ft in
Operating Voltage
24V
Alternator Supplied Amperage
80amps
Rear Axle Oscillation
26degrees
Tire Size
23.5 R25
Transmission
Transmission Type
Countershaft, powershift
Number Of Forward Gears
4
Number Of Reverse Gears
3
Max Speed - Forward
22.8mph
Max Speed - Reverse
15.5mph
Hydraulic System
Relief Valve Setting
3650psi
Pump Flow Capacity
81.9gal/min
Raise Time
5.5sec
Dump Time
1.4sec
Lower Time
3sec
Pump Type
Variable axial piston
