Can Karavan Single Axle Boat Trailer Use Tire Size 175/80R13 in Load Range D

Question

Question:

I have a 2011 Karavan single axle boat trailer for my Bayliner 180. The Trailers label states a GVWR 2923. The OEM Tire and Load label on the trailer specifies an ST185/80D13C tire and a max load of 2450LBS. Will a ST175/80R13 LRD be sufficient? Will the size difference cause any problems?

asked by: Nathan G

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Expert Reply:

As long as the tire you end up using has the capacity for the weight of the trailer when it's loaded you are totally fine. Size difference would not be a problem. So if your trailer will weigh up to 2,923 lbs a Load Range D trailer tire in the size of 175/80R13 like the part # AM10210 would work well as it has a capacity of 1,650 lb per tire which would put you at a total capacity of 3,300 lb total tire capacity.

expert reply by: Jameson C

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Answer 1

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 2

The highest Load Rating we offer in your size of ST175/80-13 is a Load Range D like the part #AM10210 which has a 1,610 lbs at 65 psi rating. I attached a review video for you to check out as well. This tire is a radial which would be an improvement…

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Answer 3

The tire size ST185/80-13 that you are interested in will fit the same wheel dimensions as your old tire size so this would be a great option as long as you have the additional clearance needed for the slightly larger tire size. It will be .3 inches…

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Answer 4

Yes, it is possible to use radial tires instead of bias ply tires which came on your trailer. A radial tire flexes more than a bias ply and will give you better ground contact, traction, stability, and tread wear. A radial tire will also normally run…

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Answer 5

It's not ideal to have a spare that's a different size than the rest of the trailer tires. If at all possible your best option is going to be to replace that tire with the correct size. But if you are stranded on the side of the road and you…

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Answer 6

It depends on a couple of factors. First, you will be more limited if you have a dual axle trailer. If you have a single axle trailer the next limitation would be the wheel well clearance. I would load your trailer down quite a bit to see how low it…

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Answer 7

Upgrading o a Radial Tire will definitely be better for long distance towing. They will run cooler than a Bias Ply tire giving them a longer life. To replace your current 5.30 x 12 tire, I do have a couple options for you. The Kenda Karrier…

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Answer 8

This is a great question. You generally want to allow 3" clearance between the top of the tire and the fender (or bunk), at minimum, when your trailer is fully loaded. This should give you adequate clearance for potholes and bumps. In order to…

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Answer 9

Having different size tires on your trailer can cause a couple of different issues. The first one being that they have different weight capacities. Your 4.8-12 ranges from 785 lbs at 60 psi to 990 lbs at 90 psi whereas your 5.3-12 ranges from 840 lbs…

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Answer 10

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 11

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 12

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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Can Karavan Single Axle Boat Trailer Use Tire Size 175/80R13 in Load Range D

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