When to Replace Trailer Tires Due to Age and Deterioration  

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Expert Reply:

Trailer tires should be replaced no less than every 6 years no matter how little mileage they have on them. Tires will deteriorate at a faster rate if they are exposed to the elements, especially UV radiation from the sun. Temperature extremes also speed up deterioration. You can refer to the two linked articles for more information on trailer tires.

You can inspect your tires for any signs of cracks or rot, especially at the sidewalls which carry the trailer weight. If you see any signs of breakdown you need new tires.

Using protective tire covers is an inexpensive way to protect your investment; tire covers can be replaced more easily and far more cost-effectively than your tires so we always recommend using covers to prevent UV exposure. I linked our page for all such covers.

I also linked our main page for trailer tires and you can click on your size (found on the sidewall) to see suitable replacements.

The main things to do to prevent tire failure are to 1) always inflate the tires to the maximum psi pressure noted on the tire sidewall; 2) not exceed their weight carrying capacity and; 3) not exceed the tire speed rating.

Trailer tires we offer can be available in more than one speed rating. For instance, in the popular trailer tire size ST205/75R15 we have Taskmaster tire # TR20515D which can handle up to 2150-lbs at its rated 65-psi pressure and it is rated for highways speeds to 81-mph.

expert reply by: Adam R

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