What PSI is ST175 80R13?
This 8-ply tire has a load rating of 1610 lbs. when fully inflated to its max PSI of 65. It is recommended to run trailer tires at their max PSI as that is what they are tested at for ratings and running them lower could cause tread wear issues or even a possible blow out.
What is the difference between R and D on 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.
How tall is a 175 80r13 tire?
Tire Size Calculator – Tire & Wheel Plus Sizing BETA
| Unit: Imperial Imperial Metric | |
|---|---|
| Section Width | 6.89 in |
| Rim Diameter | 13.00 in |
| Rim Width Range | 4.50 in – 6.00 in |
| Overall Diameter | 24.02 in |
Can I use 185 tires instead of 175?
Yes. The 185 is the width of the tire. Most rims that support a 175mm wide tires will easily handle a 185mm wide tire.
What size is ST175 80D13?
Enhance your purchase
| Size | 175/80D13 |
|---|---|
| Brand | VanAcc |
| Section Width | 175 Millimeters |
| Rim Width | 5 Inches |
| Tread Depth | 0.23 Inches |
How much air do I put in my boat trailer tires?
Boat-trailer tires require a lot of air pressure — in most cases, between 50 and 65 psi. In fact, the correct tire pressure for your boat trailer is almost always the maximum-rated pressure for that tire, which is molded right on the sidewall.
What does ST205 75r15 mean?
It means the section height of the tire is 75% of the 205 mm section width. The 15 is the wheel diameter in inches and the C after the tire size will designate the load range. The load range C is a 6-ply rated tire. The maximum load rating on the load range C tire in the ST205/75D15 size is 1,820 lbs at 50 psi.
