I have a 2 wheeler, but yes, I would say the 4 wheelers are better and easier to handle if you have a 30 gal or bigger. I've got and old 32 gal Barker that comes in very handy from time to time. Never had a problem with my 2 wheeler.
Thetford and Barker are the 2 major brands and both are fine.
2016 6.7 CTD 2500 BIG HORN MEGA CAB
2013 Forest River 3001W Windjammer
Equilizer Hitch
Honda EU2000
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