Proper PSI for Trailer Tire

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Question:

What is the correct air pressure for a 275 16 trailer tire when the max is 80 psi.

asked by: Douglas R

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Expert Reply:

On any trailer tire you always want to inflate the tire to the maximum cold psi, which you said on your tire was 80 psi. Doing this will give you the best performance, allowing the tire to wear more slowly and give you optimum gas mileage.

expert reply by: Kyle S

0

Answer 1

You always want to inflate your tires like the #AM1ST96 to the maximum air pressure when the tires are cold; the tires are designed to handle the additional air pressure that will build up as the tires get hotter. For every 10 degrees in temperature…

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Answer 2

It sounds like you need to replace the tire on your trailer that has become rounded. If the shape of a tire becomes distorted or warped like you described it could fail at any moment and needs to be replaced. If what you are describing is just the…

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Answer 3

Sometimes the number of plies is indicated on the tire sidewall. in this case, the only ply information that is on this tire is that it has an 8 ply rating and that they are nylon. because of the strength of today's materials, there may not be 8…

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Answer 4

I wouldn't recommend doing so, especially given the amount of weight your dealing with on a triple axle trailer. If you're referring to the ST225/75-15 tire size, a load range D should be kept inflated to its maximum pressure of 65 psi, while…

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Answer 5

Yes, radial trailer tires can spin in either direction. They are not directional. I attached an FAQ article on trailer tires for you to check out as well.

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Answer 6

Before switching to a higher load rated tire, like a load range D or E, you will want to check the weight capacity on your trailer wheels. If you have a steel wheel, the capacity should be stamped on the backside lip of the wheel. If you have an…

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Answer 7

You could go with a higher weight rating tire for more durability, but keep in mind that this will NOT increase the load bearing capability of your trailer, you'll be limited by the capacity of the lowest rated component of your trailer, be it…

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Answer 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 10

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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Answer 11

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 12

Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety…

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Proper PSI for Trailer Tire

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