In October of 2020, WE bought our first 5th wheel, a 2015 Heartland cyclone 4150. From what we can tell, it was left on a seasonal site since 2016. I am thinking the tires are original, and although t...
Since it's a triple axle, the mfgr. probably could get away with E-rated tires. If you can still read the trailer sticker it might provide some knowledge. If the wheels are rated for 110psi, you could go with G-rated tires in the same size as the original, but you may not need to based on your axle rating.