The Air Ride Suspension has a flexible air cushion pressurized by the tractor's air system and regulated by a leveling valve. The Air Ride Suspension is a popular choice for multi-axle gooseneck trailers. Air Ride Suspension provides a smoother ride and can be positioned for different axle spacing (i.e. 50", 54", 60"). When combined with a mechanical height control
, the rear frame can be raised/lowered 3 inches (+ or -). Available in 25,000 lb. and 30,000 lb. capacities.