I'm sure the engine has the power to tow it, but i'm not sure if the transmission can handle it, nor do I see a viable way to mount the hitch with out the use of a dolly, I think you may have trouble mounting a pintle at a conventional height. Have you found a convenient place to mount the brake controller?
I've never heard of these length police but there are strict limitations to the length of vehicle or combined vehicles allowed on motorways all over the place this would be enforced by MTO DOT etc depending on nation, permits are available if you must move an oversized load by width or length.
If you need such a permit to move your RV you might have made a mistake in your purchase.
Al, Travelling with wife, daughter 5, son 3, 3/4 tons of 2013 Ram CCLB, five tons of fifth wheel Rockwood 8287SS still showing my kids north america one campground and road trip at a time.