Question: what is the difference between a c rated tire and d rated tire?
Answer: The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. ... For a C load range in the same size, like # AM1ST76 , the capacity is 1,360 pounds at 50 psi.