Recommended Tire Pressure for Karrier ST225/75R15 Radial Trailer Tire - Load Range E

Question

Question:

My travel trailer has 4 tires, RV st is 7500lbs empty weight, what psi is recommended?

asked by: John B

0

Expert Reply:

The Karrier ST225/75R15 Radial Trailer Tire - Load Range E, # AM10303 should be 80 psi.

expert reply by: Michael R

0

Answer 1

For your tire size of 225/75-15 I recommend the Karrier ST225/75R15 #AM10303 They have a weight capacity of 2,830 lbs and a speed rating of 81 mph. . This will work great on your Fleetwood Mallard! These have a ply rating of 10. This weight capacity…

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Answer 2

Trailer tires such as the Karrier ST225/75R15 Radial #AM10303 do not absolutely have to be dynamically machine balanced the way passenger car tires do but you certainly can do this if you want to. A full-service tire shop will probably have the…

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Answer 3

I recommend a 5-lug setup. For this you would have to get the tire and the wheel separately. You could go with the Karrier ST225/75R15 Radial Tire #AM10303, it has a weight capacity of 2,830 lbs at 80 psi and a speed rating of 81 mph for your tires.…

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Answer 4

From the research that I have done it looks like the specs for each tire is the same. The Kenda Karrier ST225/75R15 #AM10303 is a 10 ply tire with a Load Range of E (2,830 lbs at 80 psi) that can fit 15" x 6", 15" x 6-1/2", and…

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Answer 5

Tire failure is usually caused by a few things. It can be from overloading the trailer, improper tire inflation, and/or exceeding the speed rating for the tire. You should verify that the tire capacity you have for you trailer is adequate for how…

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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

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 9

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 10

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 11

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 12

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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Recommended Tire Pressure for Karrier ST225/75R15 Radial Trailer Tire - Load Range E

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