[funfinder4]

Just looked up the trailer and it's specs...
27' long (probably a 24' box)
4,050lbs empty
6,300lbs GVWR
**301lbs Hitch weight!!! Yikes!

Hitch weight is really low. Must be because the slide is so far back and the kitchen and refrigerator is in the rear. Your going to have to watch how you load everything very carefully. I'd load everything you can of any weight under the queen bed. Hopefully the fresh water tank is very far forward under the camper and you can keep it full while towing to help give you some more hitch weight. I'm even surprised the guy before you used a WDH with such a low hitch weight.

Regarding the sway bar... I'd go ahead and order one on-line now (~$30-$40). If your experienced in RV towing then you could get by without one for a while. I say a while, because you WILL reach a point where you'll get tired of fighting the wind (if there's a side wind) and you'll break down and buy one anyways. If you tow short distances, you'll make it longer in life before this happens. For me, I made it three trips out with my 30ft long 6,000lbs camper before I said enough was enough. It didn't help that on that third trip I was fighting 20-30mph side winds!

If your not very experienced in towing in general....be very careful without one! A sway bar doesn't prevent sway (proper loading does) it just helps reduce it so it doesn't get out of hand.