Fully Automated Air Control Systems

Link’s family of air control systems automatically level a vehicle in various terrains and speeds, resulting in a smoother ride over mechanically controlled systems. Each system features fully integrated controls and built-in diagnostics for greater dependability. The fully automated system also gives you the ability to override a vehicles set ride height in order to raise or lower a chassis at low speeds.


On March 9, 2021 Link acquired Hadley Product Corp.'s entire portfolio of legacy mechanical height control valves and suspension control products in a strategic move to expand industry capabilities.

A rendering of Link's 3-4 way smart air management system

Air Ride Leveling System

Link’s air ride leveling system fits most class 1 through 6 applications. It works well with specialty applications such as delivery box trucks, ambulance and rescue vehicles, transit buses, limos and recreational vehicles. The leveling system is electronically controlled, allowing for easy ride height adjustment on an air suspension. Drivers can raise and lower the system within minutes for loading and unloading.

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Link's tankless air system unit

Tankless Leveling System

The TL System is a tankless suspension control operation for light duty applications. This low-cost, compact automatic air suspension leveling system maintains ride height and provides raising and lowering capabilities for vehicles without an air source. Digital road filtering helps to achieve maximum compressor life, while digital monitoring protects the compressor by limiting the maximum run time and duty cycle.

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