Automated Leveling in All Conditions

Owners and operators of RVs may experience rough regional roads and uneven parking terrains while out on their latest adventure. Link engineers and manufactures electronically controlled air management systems for RVs that automatically raises, lowers and levels the vehicle no matter the terrain. Complete with compressor controls and self-leveling capabilities, the air management system gives RVs the capability to kneel and level wherever life takes them, making them the ideal RV air management system.

Transit and bus vehicles require the ability to safely load and unload passengers or cargo within moments of stopping. Link offers an engineered ADA Compliant electronically controlled air management system for bus and transit applications that provides the most accurate raising and lowering capabilities in the industry, increasing productivity. With self-leveling capabilities, both the driver and the passengers will enjoy a smoother ride. The included air dryers, cooling fans, and compressor controls allow this system to outperform in all conditions.

Link Electronic Height Control Valve - SmartValve


Link’s SmartValve is the first of its kind, an all-in-one electronic height control, eliminating the need for separate components that make up other electronic systems, reducing cost, preventing injuries, and saving fuel.

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A rendering of the UltraRide chassis suspension


UltraRide® has been the chassis air suspension system of choice for manufacturers seeking to improve the ride and handling of light and medium duty vehicles. The air suspension provides increased operator and passenger comfort, ease of access and overall safety. With an additional cross member and adjustable height sensor, UltraRide ensures proper alignment, increased stability, and reduced frame stress across multiple applications.

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A 1500 series height control series valve

1500 Series

Link’s 1500 Series - All Makes Valve is designed specifically to meet the needs of the tractor, trailer and transit industries. The 1500 Series mechanical height control valve offer flexibility in mounting, plumbing and lever attachment. The valve is compact and lightweight with a modular design. With zero pressure, pressure actuation and non-dump configurations, drivers and fleets can ensure that they have the ideal suspension control system for their applications.

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Link's 500 series mechanical ride height control valve

500 Series

Link’s 500 Series height control valve provides distinct advantages for individuals, truck drivers and fleets. With the highest flow rate in the industry, this 500 series offers a conduit for ideal driveline angle and maximum stability for the driver and the vehicle. Engineered as a versatile dump and non-dump valve for tractor and trailer applications and a number of Class A RV applications.

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Link's tankless air system unit

Tankless 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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A rendering of the 2 way air control system

2 Way System

Link’s 2 way air management system fits most class 1 through 6 applications and controls two wheels or axles independently. The system can be equipped with a VAIAIR, GAST, AMK or THOMAS compressor. With an integrated air dryer equipped with an AMK compressor, the system will function in all conditions the vehicle encounters. Also standard is a diagnostic monitoring LED indicator with USB connection, making system diagnostics simple.

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

3 Way System

Link’s 3-4 Way Smart Air Management System fits most class 1 through 6 transit and limo suspension applications. The engineered electronic height control system is equipped with a single Thomas Compressor Twin Cylinder HC, rated for 2500 hours. With a standard exterior Parker air dryer and integrated cooling fans, the system will function at peak performance in all conditions.

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A unit of Link's 4-way air management system

4 Way System

Link’s 4 Way air management system fits most class 1 through 6 recreational and specialty vehicles. The engineered electronic height control system can be equipped with a single or dual AMK Compressor or a 2 Stage AMK. With a standard integrated air dryer and four angle sensors, the system will function at peak performance in all conditions.

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A rendering of the Link Swivel Ramp swiveled at at 90 degree angle

Swivel Ramp

Link has put a new twist on aluminum ramps. Our swivel ramp offers unmatched flexibility for loading and unloading any sized cargo, with 180-degree rotation and two storage locations. The swivel ramp mounts in the rear stored position like a traditional folding ramp, but can swing to also be stored inside, behind the wheel well – providing options for instances when a loading ramp isn’t needed.

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LB20 42” x 108” Aluminum bifold mounted ramp unfolded and deployed

Mounted Ramps

Link Manufacturing has developed a broad array of deployable mounted aluminum ramp solutions engineered for commercial vans and box trucks. Link’s lightweight, low-profile, mounted aluminum ramps vertically mount just inside a vehicle’s rear or side doors. Each mounted ramp is made from high-strength aluminum and engineered for simple installation and ease of use. All Link mounted ramps are fast, easy and convenient to deploy.

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A rendering of the LS50 Portable Ramp

Portable Ramps

Link's portable aluminum ramps are available for both lightweight and heavy-duty applications, featuring either folding or straight designs. The extensive range of portable ramps provide users with safe, durable, and economical solutions for their cargo loading and handling needs. An optional, high-friction, perforated deck surface is also available for applications where exposure to ice, oils, moisture and other slippery substances are common.

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