## What is the difference between D and R trailer tires?

## What is the difference between D and R trailer tires?

Table of Contents

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.

## What is the difference between 205 75R15 and 205 75 D15?

The D in 205/75D15 represents that the tire has a bias ply construction whereas the R in 205/75R15 represents that the tire has a radial ply construction. The difference between a bias and radial ply is in regards to the directions of the cords.

**How much weight can a 205 75R15 hold?**

Capacity, “C” Load Rating.

### What does D15 mean on a trailer tire?

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.

### Is R15 same as D15?

The R15 is a Radial tire and the D15 is a Bias Ply tire.

**What is the difference between R15 and D15?**

What is the difference between D15 and R15? Expert Reply: The difference between a D15 tire and an R15 tire is the construction. The D denotes that it’s a bias tire and the R is for a radial tire.

## What’s the difference between a 225 75R15 and a 205 75R15?

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 6 inch to 7 inch.

## How much taller is a 225 tire than a 205?

Since you’re going to a smaller tire you do not have to worry about reduced wheel well clearance. A 225/75-15 tire is approximately 28.4-inches in overall diameter when inflated while a 205/75-15 tire is about 27.1-inches.

**What is the difference between 205 75r15 and 225 75r15?**

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 6 inch to 7 inch. The 205 is 27.1 inches tall and the 225 is 28.4 inches tall. The 225 has higher capacities available for it as well.

### What is the difference between a R15 tire and a D15 tire?

### What is an R rated tire?

R speed rating Speed rating R allows for speeds up to 106 mph (170 km/h) under optimal conditions. Like Q speed rated tires, R rated tires generally prioritize a particular function or unique performance over maximum speed capability.