The world's premier traction aid, the ARB Air Locker(TM), supports driving in all conditions. With the push of a button, it engages instantly, and its ultra-robust design allows for operation at any speed, making it capable of tackling the toughest terrain. The advantage of the Air Locker lies in its pneumatically operated locking mechanism housed within the differential. When activated, it prevents the internal differential gears from rotating and restricts the left and right axle shafts from turning independently. Because both wheels are locked directly to the ring gear rotation, maximum traction is ensured at all times. Under normal conditions, it functions as a standard open differential. Vehicles equipped with an Air Locker can be driven more slowly, safely, and with greater control, significantly reducing both vehicle damage and environmental impact.
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