I built this heavy duty camper dolly for my hawk. I get the hawk in November so I never used it yet. but my camper is now staying on truck full time. 8 inch solid casters from grainger. 4 foot wide, by 7 foot long. rated at 1800 lbs per caster. im in Glendora/san dimas. too heavy to ship. but fits in back of a pickup perfectly.
http://losangeles.craigslist.org/sgv/pts/5839766905.html
http://losangeles.craigslist.org/sgv/pts/5839766905.html