Which is Better for Camper Trailer LT or ST Rated Trailer Tire

Question

Question:

I’m looking at tires for my RV. Must go with G rated 14 ply tires. Trying to understand difference a LT and ST tire. Please advise what the difference is and which is better for 40 ft, 26,000 lb RV

asked by: Roy D

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Expert Reply:

LT tires are tires that are used on trucks and sometimes trailers whereas ST are only for trailers and in nearly all cases better solutions for trailer applications like yours. Especially if the weight of the trailer is higher.

If your wheels are 16 inch wheels the Provider ST235/80R16 Radial Trailer Tire # PRG80235 that you referenced would be what you'd want. This is a Load Range G tire with capacity of 4,080 lbs at 110 psi and has a speed rating of 81 mph.

expert reply by: Jameson C

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Answer 1

110 psi shouldn't be a problem for wheels you have based on the size and bolt pattern they have as that indicates they were made for higher capacity tires which use higher pressures. If you had tires that had 95 psi ratings the 110 rating would…

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Answer 2

Trailer tires should always be inflated to the max psi as listed on the tire's sidewall. This is essentially because their listed load capacity is dependent on them being inflated to this level. Inflating a trailer tire to below the max…

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Answer 3

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 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

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 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

Good morning, Cliff. As of today (3/27/24) we are expecting the #KE33JR tire/wheel combo to be in stock in about 2 weeks. Hopefully this means we can take our own pictures and put them on the site within maybe about 3-4 weeks from now. What I can…

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Answer 8

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 9

Yes, the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire #AM10140 referenced in your question will fit the same 12 inch wheel with a 4 inch width that your existing 4.80-12 size tires are mounted to. Just note that the ST145/R12 tire will be…

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Answer 10

Hey David, thanks for the picture. I was able to track down a spec sheet for your Dexter axle which I have included below. The 031-029-02 bearing is item #15123 and the 031-030-02 bearing is item #25580. For a bearing kit you can use part #BK3-110…

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Answer 11

The absolute best cushioned equalizer that fits the dimensions you mentioned having would be the MORryde ALLTREK 4000 part #MR89DR as this is only option to provide vertical and horizontal cushioning. This would make a big difference and you'd be…

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Answer 12

Hey Doug, thanks for reaching out! The MORryde ALLTREK 4000 #MR89DR dimensions can be a bit difficult to explain via text so I've attached an image giving you the dimensions you're asking about!

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