John Deere 644A Wheel Loader
Units
Dimensions
Bucket
G
Dump Clearance At Max Raise
9.25ft in
Breakout Force
41515lb
Bucket Capacity - Heaped
2.5yd3
Bucket Capacity - Struck
2.05yd3
Bucket Width
8.7ft in
Dimensions
E
Ground Clearance
1.44ft in
A
Length With Bucket On Ground
20.67ft in
C
Height To Top Of Cab
10.17ft in
D
Wheelbase
8.67ft in
F
Hinge Pin - Max Height
11.85ft in
H
Reach At Max Lift And Dump
2.92ft in
Specifications
Engine
Engine Make
2240
Net Power
131hp
Gross Power
141hp
Power Measured @
2400rpm
Max Torque
345lb ft
Displacement
404cu in
Torque Measured @
1600rpm
Aspiration
Turbocharged
Operational
Operating Weight
2520lb
Fuel Capacity
50gal
Hydraulic System Fluid Capacity
17.5gal
Engine Oil Fluid Capacity
4.3gal
Cooling System Fluid Capacity
9gal
Transmission Fluid Capacity
9.8gal
Front Axle/Diff Fluid Capacity
6gal
Rear Axle/Diff Fluid Capacity
6.5gal
Static Tipping Weight
18604lb
Turning Radius
15.5ft in
Operating Voltage
12V
Alternator Supplied Amperage
55amps
Rear Axle Oscillation
22degrees
Tire Size
16-24 / 20.5- 25
Transmission
Transmission Type
Powershift Transmission
Number Of Forward Gears
4
Number Of Reverse Gears
2
Max Speed - Forward
23mph
Max Speed - Reverse
9.5mph
Hydraulic System
Relief Valve Setting
2250psi
Pump Flow Capacity
60gal/min
Pump Type
Variable displacement type pump
