What the difference between 175 80R13 and 175 80D13?

What the difference between 175 80R13 and 175 80D13?

What is the Difference Between ST175/80D13 Tires and ST175/80R13 Trailer Tires. The D in 175/80D-13 indicates that it is a bias ply tire where as the R in 175/80r-13 indicates that it is a radial tire. The difference is how the steel belts inside are oriented.

What is the difference between 185 80R13 and 175 80R13?

The 175/80-13 tires have a diameter of 24.1 inches and a width of 7 inches compared to the slightly larger 185/80-13 tires that have a diameter of 24.4 inches and a width of 7.2 inches. The speed rating is based on the specific tire, not the size.

What’s the difference between D and R tires?

The difference between the two trailer tire sizes is that the letter D in the first size you listed ST205/75D15 stands for bias ply and the letter R in the tire size that they put on your vehicle stands for radial. A radial tire will normally run cooler than a bias ply tire, especially when the tire is under a load.

What size is ST175 80D13?

175/80R13 tires have a diameter of 24.0″, a section width of 6.9″, and a wheel diameter of 13″. The circumference is 75.4″ and they have 840 revolutions per mile. Generally they are approved to be mounted on 4.5-6″ wide wheels.

What does ST175 mean?

The tires on a boat trailer might be labeled: ST175/80D13 C. *ST – These tires are for a trailer (Specialty Tire for trailer use only) *175 – The maximum width of the tire is approximately 175 mm at the widest point. *80 – Indicates the height of the sidewall is 80% of the width (in this case 140 mm)

What does ST185 80R13 mean?

Expert Reply: Loadstar ST185/80D13 Bias Trailer Tire # AM3S331 is a bias ply construction whereas the 185/80R13 you have is a radial tire construction. The difference is how the plies run inside the tire. You would want to keep the construction type the same on the trailer for best performance and even tire wear.

Can you use 175 tires instead of 185?

Both a 175/80-13 and 185/80-13 will fit the same size wheels (4-1/2 to 5-1/2 inch wide) and they are about the same diameter (between 24 and 24-1/2 inches). Since the two different sizes will fit the same wheels you do not have to also replace the wheels.

What is the R rating on a trailer tire?

R stands for radial construction. B means belted bias and D stands for diagonal bias construction. 16 The last dimension listed in the size is the diameter of the wheel rim, which is most often measured in inches. If a tire size reads, LT235/75R15 104/101S, the LT indicates that this tire is meant for Light Truck use.

What is the D rating on a trailer tire?

Special Trailer Service Tires