Difference In Diameter Between an 8 Inch Wheel with Tire and a 15 Inch Wheel with Tire
Question:
taking that same theory into consideration of 12 inch tires to 15 giving only 1.5 inch , would a 8 inch tire vs 15 then give you a 3.5 inch ?
asked by: Konrad
Expert Reply:
The height difference between an 8 inch wheel with tire and a 15 inch wheel with tire will really depend on the tire size on the wheel. It is true that an 8 inch wheel is 3-1/2 inches smaller in diameter than a 15 inch wheel, but with tires on the wheels the difference will likely be greater than 3-1/2 inches.
For example, the Kenda 4.80/4.00-8 Bias Trailer Tire with 8 Inch Wheel # AM30040 when inflated has a diameter of 16.1 inches, while the Kenda ST205/75-15 Radial Trailer Tire with 15 Inch Wheel # AM32238B when inflated has a diameter of 27-5/16 inches. The difference in these two tire and wheels is 5-1/2 inches, not 3-1/2 inches.
There are many other factors to consider when thinking about going from a 15 inch tire to an 8 inch tire. The weight capacity of an 8 inch tire can be much smaller than the capacity of a 15 inch tire.
Additionally, an 8 inch wheel will not fit over the hub and drum that accommodates a 15 inch tire. You would need a hub designed to fit an 8 inch wheel, and all but one of the hubs we carry for 8 inch wheels are idler hubs.
I have attached a help article that outlines diameters and load ranges of different size trailer tires for you.
Products Referenced in This Question
Kenda Karrier ST205/75R15 Radial Trailer Tire with 15" Black Mod Wheel - 5 on 4-1/2 - LR C
- Trailer Tires and Wheels
- Tire with Wheel
- Radial Tire
- Load Range C
- 205/75-15
- 15 Inch
- M - 81 mph
- 5 on 4-1/2 Inch
- Steel Wheels - Powder Coat
- Kenda
more information >
Product Page this Question was Asked From
Kenda 4.80/4.00-8 Bias Trailer Tire with 8" White Wheel - 4 on 4 - Load Range C
- Trailer Tires and Wheels
- Tire with Wheel
- Bias Ply Tire
- Load Range C
- 4.80/4.00-8
- 8 Inch
- 4 on 4 Inch
- Steel Wheels - Powder Coat
- Kenda
more information >
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