I would like to thank people for responding to my initial Tires question. When I originally weighed my 32' Cambria I was within 300# of maxing out the rv rear end. Tanks and the large rear storage com...
You may need different wheels to get any (significant) advantage from higher load rated tires. Usually the greater carrying capacity is only at higher tire pressures, and frequently the stock wheels are only rated for 80 psi maximum. It should be stamped or engraved on the wheel somewhere.