Recommendation for Upgrading ST205/75R15 Tires to ST225/75R15 Tires on Trailer

Question:

I have 102”x24’ enclosed trailer. It currently has ST205R15 tires on it. I want to upgrade to heavier tires with a high speed rating on them. I am looking to go with maybe. 225R15 tire. What would you reccommend? Thank you.

asked by: Dan D

Helpful Expert Reply:

As long as you have the necessary wheel well and trailer frame clearance for larger tires, you can certainly upgrade to ST225/75R15 tires on your trailer. The new tire size will have an overall diameter of 28.3 inches and a width of 8.9 inches. This is compared to the 27.1 inch diameter and 8.1 width on your existing ST205/75R15 tires.

For the tire, I recommend a ST225/75R15 that will work well. This is an excellent radial ply tire that features a maximum load of 2,540 pounds at 65 psi and a great speed rating of 81 mph. It comes with a 2-year limited warranty as well. This size tire will fit on 15 inch wheels that have a 6 inch, 6-1/2 inch, or 7 inch width. If your current wheels happen to have a smaller width, you will need to upgrade the wheels as well. For a tire and wheel combo, you can use the Provider # TA84VR as long as you have a 6 on 5-1/2 inch bolt pattern.

I have attached a few short video demonstrations on these tires and wheels that you can check out, along with a couple articles on trailer tires that you might find helpful.

expert reply by: Chris R