Kenda Karrier , Loadstar?

I am pretty sure Kenda's "Loadstar" line are bias ply tires, the "Karrier" line are radials. So yes, there is a difference - whether or not it matters or not is up to you. Bias trailer tires have been in use for years and years - Radials are more common these days - but people seem to report problems with both kinds.

Our last trailer had Kenda Karrier 14" Load Range D tires, which seemed to be nice heavy tires and we had no problems ....