Replacement Trailer Tires for Size 20.5 x 8 - 10

Question

Question:

93 Coleman Chesapeake trailer with 20.5X10X8 tires. What is the car tire size type eg 215/60X8 or what ever. I am looking to replace the 24 year old tires on the trailer.

asked by: John H

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Expert Reply:

Those are some extremely old tires. We recommend changing them every 6 years or so regardless of tread wear.

The metric size for your 20.5 x 8 - 10 tires is 205/65-10. Our most popular tire in this size is # AM1HP54. It has a load range D and max capacity of 1,330 pounds at 70 psi.

If you'd like a higher rated tire we have # AM1HP56 with an E load range rated for 1,650 pounds at 90 psi.

Both tires have a 2-year limited warranty.

expert reply by: Charles S

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Answer 1

Although I can't speak to why someone printed that on a tire, but the two sizes are almost exactly the same, so maybe it was an approximation by the tire manufacturers. Essentially you can swap the two out with no issue because a 20.5 x 8 -10 is…

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Answer 2

You are correct that the Loadstar ST205/75D14 Bias Trailer Tire #AM1ST86 (K550) has a max rating of 50 psi and that should be when the tires are cold. Kenda has tested and approved this rating which also takes into account the heat build-up during…

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Answer 3

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 4

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 5

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 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

The modern size equivalent of the 20.5x8-10 that you have currently would be the same size tire that is on the #AM3H340 that you referenced, 205/65-10. As long as the bolt pattern of your current hubs are 4 on 4 inch the wheels of this would bolt up…

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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 Tires for Size 20.5 x 8 - 10

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