Replacement Trailer Tire Size ST215/75R14 Recommendation

Question

Question:

I currently have Goodyear marathon ST 215/75R14 tires C rated on my tandem trailer. Can you recommend a replacement tire including one for spare. And is it worth the money and safety to upgrade to a D rated tire?

asked by: Mike

0

Expert Reply:

Going with a higher rated trailer tire than needed doesn't really offer any real advantages so if you are good with the Load Range C you have now I would stay with it.

I would recommend the Taskmaster part # TTWTR21514 this is a radial in the same size and Load Range as what you have, but what really sets it apart for me is the speed rating. Most trailer tires are only rated for 65 MPH but this one is rated for 81 MPH. This tire has a capacity of 1,870-lb max load at 50 psi.

If you do need the Load Range D then you would want the # TTWTRTM2157514D instead that has a 2,200-lb max load at 65 psi capacity.

expert reply by: Jameson C

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Answer 1

Your tire size of ST215/75R14 has an overall diameter of 26.7 inches. The closest 15 inch diameter wheel and tire in terms of diameter to that would be size 205/75-15 which has a 27.1 inch diameter. This would be your best option. If you have the…

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Answer 2

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 3

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 4

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…

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Answer 5

The wheels for your ST215/75R14 sized tire on your 2022 Coleman Lantern 17B are 14" X 5-1/2" wheels with a 5 on 4-1/2 bolt pattern. The Karrier ST215/75R14 Radial Trailer Tire with 14" Galvanized Wheel - 5 on 4-1/2 - Load Range C, part…

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Answer 6

Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety…

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Answer 7

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 8

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 9

The 12 inch tires that we carry are rated for 65 miles per hour. Any faster than that for extended periods and the excessive heat build up will cause tire failure. To get a tire with a higher speed rating you would have to go up in size. That also…

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Answer 10

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside…

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Answer 11

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Replacement Trailer Tire Size ST215/75R14 Recommendation

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