As far as moving the trailer from one side of town to the other, certainly no issue. I've been towing trailers for 40 years and I'm completely in the W.D. camp when it comes to towing. And yes, the weight carrying capacity of the receivers on most tow vehicles is "2 sided". 1 with W.D. and 1 without. W.D. hitches do more than just "hold up" the back of the tow vehicle. It spreads the load from the rear axle of the tow vehicle to the the front axle of the tow vehicle and the axle/s on the trailer. This makes life on the road so much better when encountering whoops on the road like bridge approaches etc. I don't really see any combination of conventional tow vehicle and coach that won't benefit from a properly set up and tuned W.D. set up. I believe if you have an F-550 type tow vehicle and have a 28 foot trailer it will benefit.......and as they say...JMHO
