[SteveC7010]

Originally Posted by New Kid on the Block

I am looking to change my trailer tires and my question is if it is preferable to buy tires with a D rating instead of a C rate that the trailer came with.
The debate is which tire is better for the trailer.From what I gathered the
marathon is 6 ply and the other also by goodyear is 8 ply.

The questions you should answer for this conversation to be helpful are, "Why are you considering the change?" and "What benefits are you looking for?"

Others have posted good responses with several potential issues to be dealt with when contemplating this but some more info from you on the table would help.