Can 15" Trailer Tires Hold More Than 13" Trailer Tires

Question

Question:

will a 15 d hold more weight than a 13 d ?

asked by: Bruce A

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Expert Reply:

Yes, a tire for a 15" wheel like 205/75D15 will hold more weight than a tire for a 13" wheel like 175/80D13. The D represents the tire is a bias ply and the number thereafter represents the diameter of the wheel the tire is designed for. The Loadstar ST175/80D13 Bias Trailer Tire part # AM1ST77 for example is rated at 1,610 lbs whereas the Taskmaster ST205/75D15 Bias Trailer Tire part # TTWSF20515C which is my recommendation is rated at 1,820 lbs.

expert reply by: Conner L

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Answer 1

Thanks for the photo! According to your photo is looks like you have the 15" Silver Mini Mod wheel from Dexstar: - 5 on 4-1/2" Bolt Pattern #AM20537

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Answer 2

I would recommend to remove and reinstall the complete trailer hub assembly to make sure all of the parts are installed properly. I am including a link to a video of how to remove and reinstall a trailer hub on a boat trailer. This video will show…

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Answer 3

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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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

Karrier and Loadstar are two different brand names used by Kenda. There's no difference in quality or function between the two brand names. For a ST175/80-13 Radial trailer tire in load range D, I'd recommend part #AM10210 if you're…

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Answer 6

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 7

Hey Jim, Why are you wanting to lower the height of the trailer? Lowering the wheel sizing is likely going to give you more problems than it helps solve.

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Answer 8

Hello Justin, thanks for reaching out. Going from a load range C tire up to a load range D likely will not change the ride quality in any noticeable way. You would not be increasing the carrying capacity of your trailer, but the higher rated tires…

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Answer 9

Hey Justin, you can definitely go to a Load Range D tire in place of a C and the only real "down side" is that you would have to put more pair pressure in the tire. It will give you more weight capacity if ever needed without any real draw…

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Answer 10

The best tire for your trailer will really depend on how much time you spend on paved roads versus dirt or gravel roads. At the 175/80-13 tire size, you can choose between a radial tire and a bias ply tire. Radial tires, like part #AM10210, have more…

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Answer 11

The ST175/80D13 tire you added shouldn't be a problem. It will be slightly larger in width by about 1/4" and diameter by about 1/2" but that is unlikely to cause clearance issues. However, if you want to keep running that tire on there…

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Answer 12

Since wheels will be able to withstand the psi rating of any of the tires that are meant to fit it you will need to look at the valve stem as that is the deciding factor. If your valve stem has the rubber all the way up to the threads, like part…

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Can 15" Trailer Tires Hold More Than 13" Trailer Tires

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