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Can a Load Range D Trailer Tire be Used in Place of a Load Range C


Hello! I am replacing the tires / wheels on my RV. I have 13inch wheels with Goodyear marathon st185/80R13 load range c tires. I cant find this exact combo on your site, but I am looking for a similar tire that is mounted on a aluminum wheel. I see part number AM3S339.. But that is a load range D tire, and I currently have C. Is this compatible with what I have? I dont fully understand the difference between load range C and D. Thank you for your help!


Expert Reply:

The difference between load ranges is the plies, ply rating, and capacity. Going to a higher capacity or load range is fine so you can replace a load range C with a Load range D. Like you said, we have # AM3S339 which is a 185/80-13 on an aluminum wheel. If your existing wheels have a 5 on 4-1/2 bolt pattern then this tire and wheel combo will fit.

I have linked a video review of the tire, a help article on determining bolt pattern, and a link to our help article on trailer tires in general.

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