Should Tires Be Inflated To Pressure Listed On Trailer Or Side Of Tire

Question

Question:

Do I follow the trailer manufacturer tire pressure recommendations printed on the boat trailer or do I follow the tire manufacturer pressure guidelines on the tire. They are different Thanks

asked by: James S

0

Expert Reply:

You should always follow what is printed on the side of the tire from the trailer tire manufacturer. Tires inevitably get replaced over time so what was printed on the trailer will no longer be accurate. For trailer tires, this will typically be the max psi. For example, the # AM31994 you were looking at has a max psi of 65 which is what the tires need to be at for the max load of 1,610 lbs.

expert reply by: Robin H

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Answer 1

We don't carry that rim size. We have a tire size that matches, but not a rim. Your tire size has an overall diameter of 21.1 inches. The closest wheel and tire size we have to that is the 145/80-12 which has a diameter of 21.3 inches. For…

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Answer 2

The difference between the letter R and D in the tire size you mentioned has to do with the construction of the tire. R stands for radial and D stands for Bias Ply. The main difference between a radial ply and a bias ply tire is how the tire is…

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Answer 3

There is no difference between a 4.00-8 tire and a 4.80-8 tire. We list them on our site as the same and as the size 4.80/4.00-8 to let people know that they are the same size. I attached a link to a page that has a chart on trailer sizing as well…

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Answer 4

The wheel/tire products we sell, such as the Kenda #AM31994, have not been given a full dynamic machine balancing but what is done is that the tire's light spot and the wheel's heavy spot are aligned by the distributor. This is not…

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Answer 5

The difference is that D stands for bias-ply and R stands for radial. The main difference between a radial ply and a bias ply tire is how the tire is constructed. The cords inside a bias ply tire run at a 32 degree angle to the direction of travel,…

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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

For 1/2 inch trailer u-bolts that attach to axle the recommended torque value is between 45 and 70 ft lbs of torque.

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Answer 8

The Karrier ST175/80R13 Radial Trailer Tire with 13" Galvanized Wheel item #AM31994 are not balanced nor do they need to be.

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Answer 9

Since this tire is 175/80-13 bias tire, tires of this size have weight ratings up to 1,100 to 1,610-lb maximum load at 65 psi. This information is based on current tires we sell that are the same size like #AM31994. So the rating that I listed is…

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Answer 10

I'm not sure which video you're looking for, but I can just tell you that the easiest way to use the CE Smith Spare Tire Carrier for Trailers #CE22007Z-11050-2 is with the threads facing out. You could also install it so that the…

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Answer 11

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…

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Answer 12

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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Should Tires Be Inflated To Pressure Listed On Trailer Or Side Of Tire

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