I’ve pulled a 23 ft TT behind my truck. It was no issue at all. I couldn’t even feel it was there. YMMV, but not all trucks are created equal. I’ve also pulled a smaller TT on a 1000 mile trip, it was a smaller one, but again, the only way I knew it was there is that I kept looking to make sure it was still there. It was fully loaded for a week long trip.
The point is with the proper gearing and truck, pulling a trailer isn’t much of an issue for trucks that are rated for 24K loads even if some of the weight is a TC.