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Correct Tire Pressure for 4.8-10-12 Load Range C Trailer Tire  

Updated 09/27/2019 | Published 09/26/2019

Question:

How much air to put in a 4.8- 10 x 12 C utility trailer tire says on the side of the tire 90 psi but I know that Way too much so I was thinking 35-40

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Expert Reply:

The 4.8-10-12 tire should be kept fully inflated to maintain its load range capacity. If the tire sidewall states that the tires should be kept inflated to 90 psi, that's what I'd recommend. Most of the tire companies only load test at full inflation, so running anything less than that will compromise the load bearing capability of the tire to an unknown degree.

I've linked you to some of our trailer tire help articles.

expert reply by:
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Mike L

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