What is the capacity of a 175 80R13 tire?
ST175/80R13, 1360 lb. Capacity Radial Trailer Tire. For instance, a common size might be ST175/80R13. Here’s what each part signifies: ST: Indicates that the tire is designed for trailer use, with ST standing for Special Trailer. These tires are constructed to handle the unique demands of towing, including heavy loads and extended travel distances.ST stands for “special trailer tire. P or LT stands for “passenger” or “light truck” tire. Because of an ST tire’s heavier design, it is designated to carry more load than a P or LT tire. Tread patterns between the two are also specific to their applications. STs have an equal volume of air space.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.Tires beginning with a ST (for example ST175/80R13) indicate a Special Trailer tire and should only be used on car, boat or utility trailers.
What is the pressure on a ST175 80R13 tire?
For this ST175/80 R13 Trailer tire, this pressure is 50 lbs. Inflating to this pressure will allow your tire to maintain its rigid profile, making maximum ground contact and carrying capacity. The GlobalTrax ST185/80R13 Load Range D Radial Trailer Tire is a quality tire designed for use on on a variety of trailer types. With a Load Range D rating, this tire can handle loads up to 1,710 lbs. This 13 trailer tire features an ST radial construction for superior longevity and durability.Load range C and D on trailer tires refer to the tire’s load-carrying capacity and inflation limits. 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.
How tall is a 75R tire?
The second number in the tire size, 75, represents the aspect ratio or the height of the tire as a percentage of its width. To calculate the height in inches, we multiply 8. As a general rule, you want replacement tires that are within 3 percent of the diameter (height) measurement of the tires originally on your vehicle.
What does st mean on trailer tires?
Special Trailer (ST) Trailer tires are developed specifically for use on travel trailers, pop-up campers, boat trailers and fifth wheel trailers. Designed to deliver on-highway service for towed trailers, ST-sized tires are not intended to be used on cars or light trucks. No, you cannot put car tires on a trailer. Car tires do not usually have the appropriate load rating for towing and could fail due to stress. Trailer tires and passenger car tires also have different treads for different purposes. Car tire treads used on trailers can cause irregular wear and potentially a blow out.No, regular car tires cannot be put in a trailer. This can be dangerous. Tire tread on car tires is different than the tread designed for trailers, which can cause irregular wear on the tire and will blow. Load ratings are also carefully chosen for car or truck tires and completely differ from trailer tires.
Is D or R better for trailer tires?
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. If your travels involve rough or unpaved roads, D tires provide enhanced durability and grip, making them a better choice. For primarily highway driving, R tires can offer a quieter, more comfortable experience. Additionally, think about the weather conditions you typically encounter.