PSI of Goodyear Endurance 225/75R15 Trailer Tires

Question:

Looking to upgrade. Goodyear endurance in 225/75R15, rating E. Or can I go up to D rating tire running the same tire pressure. Will the upgraded tire be the same psi, as I am unsure of the rating of the rim, at this time. Thank you.

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Expert Reply:

The Goodyear Endurance ST225/75R15 Radial Trailer Tire # 724857519 with a load range of E have a maximum load of 2,830 at 80 psi but these can be a different psi based on the rating of the load rating you want. I have added a chart which shows the psi based on tire size and load capacity.

For a ST225/75R15 trailer tire with a load rating of D our most popular option is the Contender # C22515D which has a maximum load of 2,540 lbs at 65 psi. You would want to get the tires that have a rating which, when you combine them, exceeds your trailer's GVWR.

For example, the Goodyear Endurance have a 2,830 lb maximum load, so if you have a single axle trailer its GVWR could be no more than 5,660 lbs (2,830 x 2).

I have added links to video reviews of both tires for you to take a look at.

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Kyle S

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