Air or Rubber Suspension

Why Air Suspension? Super Smooth Ride!

Air ride suspension carries the load on each axle with a pressurized air bag much like a high pressure balloon. Air ride suspension systems have been in common use for over forty years and have proven to provide the smoothest and most shock-free ride of any known vehicle suspension system. Modern air bags are constructed using the same methods as a tire by using high strength cords which are then encapsulated in rubber. These units are very durable in service and have a proven life of many years.

In addition to providing extremely smooth ride quality, air ride suspension also provides other important features. First, the system automatically adjusts air pressure in the air bag so that the trailer always rides at the same height, whether lightly loaded or heavily loaded. This allows the suspension system to always provide the maximum usable wheel travel independent of trailer load. In addition, the higher air bag pressure associated with higher trailer loads, automatically provides a stiffer suspension which is exactly what is required for a smooth ride. The lower air bag pressure for lightly loaded conditions, automatically provides for a softer suspension, thus providing the same ride quality for all trailer loading conditions. Since each axle is independently supported by its own air bag, the air ride suspension is a truly, fully independent suspension system.

The automatic control of the air bag pressure is accomplished by a solid state electronic control system specifically designed and packaged for vehicle use. This system continuously monitors the “ride height” of the trailer suspension and increases air pressure if the ride height is too low, by turning on an on-board air compressor. The air compressor stops automatically when the proper ride height is reached. If the ride height is too high, an automatic vent valve vents excess air pressure and stops venting when the proper ride height is reached. All required electrical power is provided by a 12 volt battery contained in the trailer equipment compartment.

  • Protects equipment and sensitive cargo – ideal for equipment with sensitive electronic components.
  • Extended trailer life – much of the shock and stress to structural members is eliminated.
  • Longer axle and tire life – automatic equal load suspension to all wheels.
  • Easier securing of equipment – less chance of  tie-downs working loose, less wear on tie-down straps.
  • Less abuse to tow vehicle – eliminates much of the bouncing and jerking on the tow vehicle.
  • Increased trailer value – air suspension is highly desired – trailer maintains high resale value.

Why Rubber Suspension? Still… A Really Smooth Ride!

Rubber suspension is less expensive and while it cannot match the smooth ride performance of an air suspension system, does offer many advantages over conventional leaf springs.

The Air-tow rubber suspension has a progressive spring rate, the further it is compressed, the stiffer it becomes.  It is gradually stiffened according to the load being applied by progressively increasing in proportion to the load being carried. This rubber suspension can withstand severe shock loads at maximum capacity without bottoming out which greatly reduces forces transmitted to the trailer frame and cargo.
  • How does it ride? Not as smooth as our Air Suspension but much, much smoother than leaf springs!
  • No wearing component parts of any kind.
  • Full, three year warranty.
  • Less expensive than air suspension.
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