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D15 WHAT IS THE DIFFERENCE BETWEEN D15 and C15 TIRES. ....ST205/75/D15 vs ST205/75/C15
asked by: CALVIN D
I think you are confusing the tire size numbers with load range. This size tire is available as a ST205/75-D15 or as a ST205/75-R15. The D indicates that the tire is a diagonal bias ply construction and the R indicates that the tire is a radial tire construction.
Beyond the size and type, there are load ranges for tires. Most trailer tires are load range B, C or D. This number indicates how much weight the tire can bear at a certain inflation pressure.
The tire and wheel combo you were looking at, part # TW15BIAS5ON5, is Load Range C and can bear 1,820 pounds at 50 psi. The radial tire version of this combo, part # 15RTW55, is also Load Range C with the same weight capacity.
expert reply by: Patrick B
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Products Referenced in This Question
Tire with Wheel
Load Range C
5 on 5 Inch
Video/Article/FAQ this Question was Asked FromArticle or Video
Featured Help InformationMeasuring a Trailer Tire