Is Listed Capacity for Kenda Karrier S-Trail ST145/R12 Trailer Tire for a Single Tire or Per Axle

Question

Question:

This tire is rated for 1,220 pounds at 65 pis. does this mean each tire can handle 1200 pounds so for a pop up trailer with 2 wheels max trailer would be 2400 pounds?

asked by: Tim

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Expert Reply:

The weight capacity rating for trailer tire # AM10130 is, as you have stated, 1,220 pounds at 65 psi. For a single axle the capacity as far as the tires would be 2,440 pounds. But if the axle, hubs, or suspension is rated lower then that is the capacity you would need to go by.

I have included a link to our help article on trailer tires for you.

expert reply by: Michael H

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Answer 1

Different size and bolt pattern wheels that take the same tire size will have different psi ratings. If your existing wheels are rated for 65 psi then it is less likely that they would also be rated for 80 psi which is what an ST225/75-15 load…

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Answer 2

The proper tire psi for trailer tires (ST) is listed on the tire as the max psi. Trailer tires are always to be inflated before a trip to the their max psi. Overfilling or underinflation will lead to premature wear or failure. I was able to confirm…

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Answer 3

I may have a solution for you, but we do not have a 20.5 x 8 tire available that would work for you or anything really that is as wide and tall as you've mentioned. However, the Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12"…

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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

You'd need to go with the tire part #TT48012C as it's only option for 12 inch wheel that has an 81 mph speed rating and then for a matching wheel part #AM20124 which has the 4 bolt pattern you need. We also don't have a way to mount them…

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Answer 6

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 7

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 8

The closest radial tire size I would have to replace the 4.80-12 bias tire size is the Kenda Karrier S-Trail ST145R12 Radial Trailer Tire #AM10130. The 4.80-12 bias tire is 20.7 inches tall and 4.9 inches wide. The 145R12 radial tire is 21.3 inches…

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Answer 9

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 10

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 11

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 12

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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