Speed Rating of Kenda ST145R12 Radial Trailer & Wheel AM31199DX

Question

Question:

AM31215 speed rating

asked by: Keval F

1

Helpful Expert Reply:

The speed rating is 81 mph for the Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" White Spoke Wheel - 5 on 4-1/2 - Load Range D # AM31199DX.

expert reply by: Kyle S

1

Answer 1

Excellent question. Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E #AM10140 has an 81-mph maximum speed so we do not indicate anything about speed on its product page. The linked page displays all wheel/tire items in this same…

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Answer 2

There is a Kenda ST145R12 Radial Trailer Tire in load range E with the following option: - Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range E #AM10140

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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

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 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

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 7

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 8

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 9

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 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

We have an aluminum 7 spoke 14 inch trailer wheel that looks pretty close to the wheel in the picture you sent us, but it's not an exact match. For that wheel you would want the part #AM22329. For a 205/75R14 you can use #AM10234 or tire #AM10229…

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Answer 12

I can end this debate for you real fast! Trailer tires, which will have an ST in front of the size, should always be inflated to the maximum psi indicated on the tire. Trailer tires usually do not have a recommended and maximum psi indication so I am…

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