I have a 36' Country Coach with a 350hp ISC Cummins, about 1050#'s on torque, 3060 Allison... pulling a loaded 24' trailer is a breeze, and towing my 12,000# 28' footer is okay as well, but you KNOW it's back there at 41,000# gross loaded weight... you need to decide gas or diesel... a 230 Cummins is a strain with a 24 trailer loaded, not enough reserve IMO.... i've been around this diesel/RV business for about 30 years, so i've basically seen it all as far as what people will do and tow.
Set a budget first, then see what's out there, it's a great RV buyers market right now... some stuff is real junk, even new... quite the shakeup in build/final/delivered quality the last 3-4 years especially..
Oregon has some really good dealers and Washington as well. Watch your total length, from state to state... I am over length and over weight in about 20 states but don't tell anybody okay..
I'd be glad to help you in your selection, no I don't sell RV's.. my dad was Monaco Owners President for awhile and me, him, and my brother all own different model coaches...
A LOT of parks now only allow Class A coaches to overnight, not B's or C's... think about that... I am 52 and one place I stopped at wouldn't allow anyone under 55 to overnight there, so I went to WalMart, opened the slide, and turned the genny on, and slept for free...
www.rv.net
www.rvsearch.com
www.rvonline.com
www.rvtrader.com
Jim