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Truck Bed: Accessory |
Truck Accessory: Air Ride Pin Box |
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Click images for Note: images are labeled (e.g., A12-4) so you may select features from any bed for use with any other bed. Make a note of the image labels before calling for faster easier service.
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G14-1 |
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Air suspension on the truck and the trailer is a big help in improving ride and handling. Another major improvement can be made by adding an Air Ride Pin Box. Air Ride Pin Boxes reduce the Noise, Vibration and Harshness (NVH) generated by the forces at the truck to trailer connection. Actual testing run by Sachs Automotive senior engineer and their NVH specialist show the Trailair® Air Ride Pin Box reduced G-forces in the 0 to 8 hertz range (the range humans are most sensitive to) by about 39% on the trailer side and about 56% at the pin box mounts and about 62% in the truck cab. By any standard these are significant reductions. |
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G14-2 |
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This pin box's air bag is a standard part easy available in most areas of the United States. We use a 25C air spring that can be found in Firestone's Ride Rite Catalog. Most suspension shops will have or can get these industrial strength air bags. |
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G14-3 |
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Trailair® Pin Boxes adapt to most trailer manufacturer's pin boxes. Most trailer manufacturers purchase pin boxes from Fabex, LeLand, Lippert, Venture or Atwood. For many of these we have an existing up-fit model. We also have a multi-fit design that is drilled on site to fit the trailer's bolt pattern. There are 4 basic models used in the industry, Long, Medium, Telescoping and Short. There is a Trailair® Air Ride Pin Box for all types. Air Suspension Questions |
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G14-4 |
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Trailair® Pin Boxes adapt to most trailers. If the make and model of the pin box is known, it is a simple matter to order the correct Trailair® Pin Box. In some cases it may not be possible to know what brand the trailer manufacturer used. In that case three basic measurements are needed to figure which Trailair® Pin Box is needed for an up-fit. |
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G14-5 |
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Trailair® Pin Boxes as shown have a valve stem for manual inflation of the air spring. |
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G14-5 |
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Air Ride Pin Boxes provide considerable forward extension to the trailer's normal king pin. This provides more truck to trailer clearance for sharpe turns. THe clearance greatly enhances maneuvering when backing a trailer. |
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G14-5 |
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