Check your local and state laws. I know SD requires electric brakes and all trailers over 3000lbs like most states. So You would first run into an issue of how to control the two trailers' brake systems.
In my honest opinion I cannot see that setup as a good or safe way to tow. The frame on the trailer probably is not set up to handle a class IV hitch and that kind of weight. Then you are also looking at having 60% of the horse trailer (if loaded properly) on the camper, which can add too much weight to the back of the camper throwing off the weight put on the hitch of the tow vehicle.
If someone has done it and survived then I am happy for them, but I would personally never tow like that or put any horse in that kind of risk.
I personally don't like bumper pull trailers at all, no matter what your towing them with (just personal preference I suppose), but IMHO pulling it with a 5th wheel camper just sounds down right dangerous to me.
I see it happen here in OK, and I cringe when I see it. Often, the truck is sailing full speed down the highway and the trailer with the horses is fishtailing to a certain extent, so you know it's not really under control. I've also seen the end result when the driver of the "train" loses control. So sad.
Only thing I've ever seen is a motorhome pulling a Featherlite 4 horse slant load. You could do it I suppose if you have one hell of a truck and one hell of a driver. But I wouldn't recommend it, why not just get a trailer with living quarters, that's what they're made for. You could run separate brake controllers I do believe.
It's doable, and probably legal if you have the right truck and the right equipment on the camper and BP but there better be a darn good and knowledgeable driver behind the wheel. It's not like towing another car, there's live cargo on board.
I once drove a PU with a 10' drop in camper on it. The rig had a long extension coming from the class three hitch allowing it to tow a 2 horse bumper pull. I only drove it for ~10 miles and I was white knuckled all the way - and the BP was empty. The sway made it very uncomfortable.
In many states pulling anything behind a trailer (so in essence pulling two of any sort of trailer at the same time) requires a special license. In my opinion it requires cajones of steel and a heart monitor. I could never do it!
It looks down right dangerous, is heavy as all get out and scary to other motorists around you. Not to mention breaking issues, encountering mountains and where the heck do you park? Posted via Mobile Device
You are talking about a 5th wheel trailer right (not the kind that are on the truck)?
If its the kind that's on the truck its not so bad, we've done it before.
For the trailer, we thought about trying it but it would have been over the 65' limit. However, we would have had a really strong truck and my dad has the class A license so I would only trust him to drive it. Even then, the idea still kinda scared me!