An Aussie Locker is an automatic locking differential that enhances traction by evenly distributing power between the wheels on an axle until one wheel loses traction.
Here's a breakdown of how it works:
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Normal Operation: When driving straight or turning normally on a surface with good traction, the Aussie Locker functions as a fully open differential. The driving force is split evenly between both wheels on the axle. This means that both wheels can rotate at different speeds when necessary (e.g., when turning a corner).
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Loss of Traction: When one wheel encounters a low-traction situation (e.g., mud, snow, or ice) and begins to spin, the Aussie Locker automatically engages, locking both axles together.
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Even Load Distribution: By locking the axles, the locker forces both wheels to rotate at the same speed. This directs power to the wheel with traction, allowing the vehicle to continue moving forward. The “Aussie Locker” shares the load evenly between the wheels which prevents wheel spin.
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Automatic Disengagement: When the traction is regained or when cornering on a high-traction surface, the Aussie Locker automatically disengages. The design allows for a small amount of "ratcheting" or clicking noise when disengaging, which is normal.
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Preventing Damage: The automatic action of the “Aussie Locker” helps to prevent excessive driveline windup, which is a common problem with some other locker designs. Wheel spin can damage a differential when a spinning wheel suddenly regains traction.
In essence, the Aussie Locker provides increased traction when needed, but it also allows for normal differential function on high-traction surfaces. This makes it a popular choice for off-road vehicles and other applications where improved traction is desirable.