Can ST205/75/D15 Size Trailer Tires be Replaced with ST225/75/R15 Size
Question:
I need four new trailer tires for a utility trailer. I currently have white rims. The current tire size is ST 205/75/D15. Can they be replaced with ST225/75/R15?
asked by: Jim M
Expert Reply:
You can change your ST205/75/D15 trailer tires to a larger ST225/75/R15 size IF your 15-inch rims are either 6-inches or 6-1/2-inches wide AND IF you have sufficient clearance around the tires for the increased width and overall diameter of the ST225/75/R15.
A 205/75-15 tire when mounted and inflated has an overall diameter of about 27-inches. A tire in size ST225/75/R15 has an overall diameter of 28.4-inches, about an inch-and-a-half larger. The larger tire will also be about 3/4-inch wider.
I have linked an article with tire sizing information as well as our main page for special trailer tires in size 225/75-15. These include both bias ply and radial types and choices of Load Range, either C, D or E. For the highest capacity tire you can use the Kenda # AM10303 which is a LR E radial rated for 2830-lbs at 80-psi.
Always inflate trailer tires to the full cold psi pressure noted on the tire sidewall.
Products Referenced in This Question
Karrier ST225/75R15 Radial Trailer Tire - Load Range E
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range E
- 225/75-15
- 15 Inch
- M - 81 mph
- Kenda
more information >
Product Page this Question was Asked From
Provider ST225/75R15 Radial Trailer Tire - Load Range D
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range D
- 225/75-15
- 15 Inch
- M - 81 mph
- Taskmaster
more information >
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on Trailer Tires and Wheels
Scott R.
10/25/2024
I have a trailer that currently has ST 205/75 D15 tires on it, can I replace them with ST 205/75 R15 tires without replacing the rims?