What is the difference between ST175 80R13 and ST175 80D13?
The difference between the letter D in your ST175/80D13 and the R in the tire size of the Wheel and Tire ST175/80R13 part # AM31985 that you referenced is the tire construction. D stands for bias-ply which is a less preferred tire construction, whereas R stands for radial. ST175/80R13 Section width: 7 Outer diameter (when inflated): 24. Tire capacity: Load range: D Ply rating: 8 Maximum load: 1,650 lbs at 70 psi Maximum speed: 81 mph (speed rating M) Warranty: 5-Year.
What is the difference between 75R15 and 75D15?
The D in 75D15 stands for diagonal or bias ply, indicating that the tire’s internal fabric layers are diagonally arranged, while the R in 75R15 stands for radial, meaning that the tire’s internal fabric layers are arranged radially from the center. D is for tires built with diagonal (crisscrossed) plies, called bias-constructed tires. They are also called conventional, x-ply, or cross-ply tires. Some motorcycle and trailer tires still use this internal construction.
What does the D stand for on a trailer tire?
The D on trailer tires refers to the tire’s load range or its ability to carry a specified amount of load at a certain pressure. The letter D indicates a load range of 8-ply, meaning it has the strength of an 8-ply tire but isn’t necessarily constructed from 8 physical plies of material. Load range C and D refer to the weight capacity and air pressure level of tires, with D having a higher capacity than C.For your basic family camping or general trailer hauling needs, however, this load range is likely too heavy duty for your trailer. C and D load range tires are the most used when it comes to medium to larger-size trailers, but if you’re hauling a heavy-duty trailer, load range E tires are probably what you need.Load range C can carry a maximum load of 1,820-2,270 lbs at 50-60 psi, while load range D can carry a maximum load of 2,540-3,000 lbs at 65-80 psi.D Load Range Tires This load range can hold between 2,000 and 2,500 pounds of trailer weight per tire with the tires’ pressure being 65 psi. For a tire with a 14” diameter, you don’t want to have a load capacity much heavier than 2,000 pounds per tire.
What is the D rating of ST175 80R13?
Kenda Loadstar ST175/80R13 Load Range D Radial Trailer Tire The Load Range D rating allows for a substantial load capacity of 1,650 lbs, making it well-suited for a variety of trailers, including utility trailers, camper trailers, and boat trailers. Load range D typically supports a lower maximum load and has a lower ply rating compared to load range E, which can handle higher loads and has a higher ply rating, making it more suitable for heavier trailers.D tires are typically rated for a higher load capacity, making them ideal for heavy-duty trailers that carry substantial weight. On the other hand, R tires are generally designed for lighter loads and provide a smoother ride, which can be beneficial for recreational trailers.
Is D or R better for trailer tires?
The “D” that you see indicates a bias ply tire (the D is for directional ply) and the “R” is used on radial ply tires. Unless the majority of your towing takes place off-road or on bumpy terrain, radial tires are the way to go. They perform much better on the highway and tend to run a bit cooler. Traction: D tires provide superior grip under heavy loads, while R tires excel in lighter, recreational settings. Heat Resistance: D tires are more resistant to heat build-up, reducing the risk of blowouts during long trips. Wear and Tear: R tires may wear out faster under heavy loads compared to their D counterparts.