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Products for All Types of Travel Trailers
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Trailair® Pin Box - Model L05

Trailair® Pin Box - Model L05
Trailair® Pin Box - Model L05
Mfg Part Number: 35-946203

Does tire inflation have an effect?

Absolutely!! First, an under inflated tire is dangerous and anyone towing should make sure that all tires meet the requirements for load and inflation as set forth by the tire manufacturer used on both the truck and the trailer. Having said that, Trailair highly recommends using a tire inflation chart that can be obtained from most tire manufactures or from the Tire and Rim Association, Inc. It is clear that an OVER-inflated tire can adversely affect the ride quality of a rig, sometimes dramatically. For example, a common tire used in light truck is the 235/85R/16 load range E tire. Most makes of tires allow for a single tire to be loaded to 3042 pounds at 80psi. Many manufactures of this size tire allow for it also to be at less air pressure when seeing less weight. In the case of this tire if the load bourn by the tire is 2400 pounds, it may be acceptable to run it at 60psi. By simply knowing the weights of all axles, both loaded and empty, and using recommended practices, your tires can be operated within safe ranges that will allow you to carry the load properly and safely, but also enjoy the softest ride possible. Also be sure that you have the correct air pressure for the weight when connected to your trailer. Consult your tire manufacturer or dealer for Light Truck Load & Inflation tables from the Tire and Rim Association, Inc for the make and model tire.

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57985 SR 19 S
Elkhart, IN 46517
574-294-7571
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Updated: May 27, 2017