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go here Air suspension is often used in place of conventional steel springs. The purpose of air suspension is to provide a smooth, constant ride quality by self-leveling. WABCO’s air suspension components and systems deliver further unique features.

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Conventional Air Suspension

A proven design that's simple to install, and compatible with all braking systems and most trailer applications.

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Trailer OptiLevel™

A multifunction system that significantly reduces both loading/unloading time and fuel consumption.

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Lift Axle Control Valve

Offers six valuable functions: Lift Axle Control, OptiTurn™, OptiLoad™, Traction Help, Forced Lowering and Forklift Control.

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