Do I need D tires?
Would I gain much by using load range D tires on a 4500 lb GVWR dual axle trailer? My current load range C tires (Karrier Loadstar 205/75 R 14) have held up well. They have a 1760 lb load rating, w...
Forum Discussion
JIMNLIN wrote:
The advantage of the D tire over a C tire comes only at those higher pressures.
First thing to know about trailer tires is you want to see an "ST" (specialty (trailer) tire) or "LT" (light truck tire) on the side wall. If not, it is a passenger car tire, not suitable for a trailer.
Both the tire load letter and "ply" rating are hold overs from a number of years ago. The most accurate measure of a tire load capacity is the value printed on the side wall which is always at maximum pressure.
Being able to hold higher pressure DOES mean being able to carry a higher load.
