Need to replace the 5 year old tires on my TT and need some advice about upgrading. The trailer is 38 feet and has a GVWR of #9975 and currently has Load Range D tires from the trailer manufacturer. ...
What I did when I moved up from D's to E's was take all the numbers that were stamped on the rims into Discount Tire and let them advise me on that very question.....as a second opinion I took them into Les Schwab.
Both said that they would not mount any tires on rims not rated to handle the max pressure of that tire.