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This is what I believe an advertising
article from ARB, it provides good insight to the product.
ARB Air Lockers is a driver
controlled differential lock actuated by pushing a dash mounted button. In only one tenth
of a second compressed air actuates a piston inside the differential which engages a
locking gear, instantly locking the differential and directing drive torque to the wheels
with maximum traction. The differential lock is a simply disengaged by, again, pushing the
button.
Many types of traction devices have been available for years, but
until the ARB all were a compromise, performing well either off the road or on the road,
but not on both. The ARB provides normal differential action on the highway, maintaining
safe, predictable handling. Once off road, by simply pushing the buttons, the ARB lock the
axles together providing 100% traction to all wheels allowing you to safely traverse even
the most difficult terrain.
It has been said that differential locks are only for the
hard-core off roaders, but this is certainly not true. Any four wheel drive becomes a joy
to drive fitted with ARB's, allowing you to tackle off road situations with confidence, at
a much slower and safe pace. Without differential locks, when one wheel loses traction,
all the driving torque transfers to the wheel leaving it spinning helplessly. With the ARB
Air Locker activated you will simply drive out of these situations. We have them ready to
ship, these ARB manufactured lockers have a number of features and benifets, they are:
Driver controlled, push button
actuation for 100% instant traction.
- Up to 100% stronger than the stock differential in most cases
- Air Locker does not have a higher wear rate or require more
maintenance then a standard differential
- Patented design has proven to be ultra reliable, and conclusively
shown by an exhaustive Nissan durability test program.
Air Locker does not have an adverse effect on tires, transmissions or handling in highway
operation unlike automatic and limited slip differentials
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- Air Locker is silent in operation unlike most automatic type
locking differentials
- When engaged the Air Locker will not allow one wheel on a drive
axle to spin hopelessly while the other wheel remains motionless. Full power is
transmitted to both wheels.
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For more information on different kinds of differentials
check out the Differentials Explained page in the Tech section.
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