Dont use the bumper it is far too weak.. it might last for a year or two but eventually it will crack under the pressure.. ask me how I know.. Now if your friend is a welder and good at fabrication have him make one that is similar to what they put under vehicles only larger.. and make sure the cross tube is big enough to handle the strain for the distance..
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
211/2015, 196/14, 247/13, 193/12