We're going to pick up a used open range fifth wheel on Saturday. It's a 2014, and was purchased as guest room, never been on the road since delivery. The owner says that tires look perfect, no dr...
To me, it would all depend on what brand of tire is on there, when the manufacture date was, and how they look when examined closely. A Chinese made ST tire would get replaced immediately, but if they were Goodyear G614, or an LT tire with a good reputation, Michelin for example, and not in bad shape I'd run them a year or two before replacing.