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Highest Speed Rated Radial Trailer Tire Size 145/R12

Question:

Do you have or know of a trailer tire that is Radial ST 145 R12 load range e that is speed rated for 75 mph or faster. What about a 13 inch tire if no 12 inch is available?

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Expert Reply:

The closest we have to what you're looking for is a 145/R12 size tire, Load Range E rated for up to 1,520 pounds at 80 psi, but its speed rating is only 65 mph. It's the only Load Range E tire we have at that size and we don't have any for a 13 inch rim.

Another option that may work for you is tire # TT53012C. It's a 5.30R12 size which is about a 1/2 inch skinnier and a 1/*4 inch larger in diameter. It does have an 81 mph speed rating however it's only rated for 1,050 pounds as a Load Range C. As long as the weight capacity is enough this is a good option for you.

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Charles S

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