John Deere 644GH Wheel Loader
Units
Dimensions
Bucket
G
Dump Clearance At Max Raise
9.66ft in
Bucket Capacity - Heaped
4yd3
Bucket Capacity - Struck
3.63yd3
Bucket Width
10.01ft in
Breakout Force
38045lb
Dimensions
E
Ground Clearance
1.59ft in
A
Length With Bucket On Ground
25.79ft in
B
Width Over Tires
8.97ft in
C
Height To Top Of Cab
11.23ft in
D
Wheelbase
10.5ft in
F
Hinge Pin - Max Height
13.13ft in
H
Reach At Max Lift And Dump
3.45ft in
Specifications
Engine
Number Of Cylinders
6
Engine Make
2240
Engine Model
6076A
Net Power
185hp
Gross Power
196hp
Power Measured @
2200rpm
Max Torque
643lb ft
Displacement
466cu in
Torque Measured @
1300rpm
Aspiration
Turbocharged and Aftercooled
Operational
Operating Weight
36634lb
Fuel Capacity
75.1gal
Hydraulic System Fluid Capacity
30.4gal
Engine Oil Fluid Capacity
6.4gal
Cooling System Fluid Capacity
7.6gal
Transmission Fluid Capacity
3.7gal
Front Axle/Diff Fluid Capacity
7.4gal
Rear Axle/Diff Fluid Capacity
7.4gal
Static Tipping Weight
29712lb
Turning Radius
18ft in
Operating Voltage
12V
Alternator Supplied Amperage
95amps
Rear Axle Oscillation
26degrees
Tire Size
20.5-25
Transmission
Transmission Type
Powershift
Number Of Forward Gears
4
Number Of Reverse Gears
3
Max Speed - Forward
21.5mph
Max Speed - Reverse
13.7mph
Hydraulic System
Relief Valve Setting
3000psi
Pump Flow Capacity
69.5gal/min
Raise Time
6.2sec
Dump Time
1.8sec
Lower Time
3.5sec
Pump Type
Gear pump type
