Highest Load Range Tire Sized ST175/80-13

Question

Question:

Is there another load rating tire I can go to in 13? I just purchased a new tire ST17580D13 1360 max x2 =2720 for a 16 camper that I just found out dry weight is 2630 lbs, single axle. I can not find out what it originally had since it is an 1982 model. Is this tire OK.

asked by: Randy

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Expert Reply:

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 over the bias-ply tires you currently have.

A radial tire will normally run cooler than a bias ply tire, especially when the tire is under a load. A tire that runs cooler will last longer.

A bias ply tire has a stiffer sidewall than a radial, a feature that might be useful for off road applications like farm use.

expert reply by: Jameson C

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Answer 1

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…

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Answer 2

The best option we have that will fit your wheel and work well is the Lionshead tire part #LHWL101. The quality and construction of this tire is unmatched but I really like about it is the fact it has a 75 mph speed rating which is higher than most…

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Answer 3

Most trailer tires are only rated for 65 MPH so the issue you are having could easily be from heat build up due to the speed rating getting exceeded. Other possibility is that the tires aren't inflated to their max pressure. Trailer tires need to…

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Answer 4

We can get you pretty close to what you are looking for, but for a 16 inch tire, the highest load capacity is the Provider ST235/85R16 Radial Trailer Tire - Load Range G #TTWPRG235R16 which has a 4,400 lb capacity (per tire) when inflated to its max…

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Answer 5

Trailer manufacturers design trailers for a maximum weight capacity. This capacity is determined by all the parts of the trailer including the axles, wheels and tires, frame, etc. Increasing the capacity of one of these components (like the tires)…

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Answer 6

Yes, you can run a 175/80-R13 tire on a trailer that came with a 175/80-D13 tire. The only difference between the two is that "R" stands for radial ply and "D" stands for diagonal. For a replacement 175/80-R13 tire, I recommend…

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Answer 7

The B78-13ST is an obsolete tire size that's no longer used. A 175/80-13 is the closest modern tire size. The #AM10210 tire you looked at is a 175-80-13 with a D load range radial tire that has a 1,610 lb capacity at 65 psi. You'll want to…

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Answer 8

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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Answer 9

If you are needing the hub and drum assembly then you will want to go with the Dexter Trailer Hub and Drum Assembly #8-201-5UC3-EZ but if you are just looking for an idler hub then you will want part #8-213-5UC1 instead. These come with the correct…

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Answer 10

Since you have a wheelbase/axle spacing of 38 inches the correct hanger kit for slipper springs would be the part #HAP-105-205-01. And then for a 7k trailer axle the u-bolt kit you'd want would be the part #APUBR-8. I attached the diagram to use…

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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

I would love to help you upgrade the suspension on your Twilight 2800 travel trailer. The MORryde Rubber Equalizers for Tandem Axle Trailers #MR87ZR that you referenced are a great solution but we do need to double check a few things. First is that…

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Highest Load Range Tire Sized ST175/80-13

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