This system represents a type of vehicle suspension primarily utilized in heavy-duty trucks manufactured by Peterbilt. It combines air springs with leaf springs to provide a balance between load-carrying capacity and ride comfort. Components typically include air bags, leaf springs, shock absorbers, height control valves, and associated mounting hardware. These elements work in concert to dampen vibrations and maintain a consistent ride height, even under varying load conditions.
The incorporation of this particular suspension design offers several advantages. It contributes to improved vehicle stability, reduced driver fatigue, and minimized cargo damage during transit. Its historical adoption reflects a desire for solutions that enhance both operational efficiency and driver well-being, marking a significant evolution from purely mechanical systems that predated it. The blend of established leaf spring technology and air-based adjustments delivers a robust and adaptable solution for demanding trucking applications.