I used 2x4s for bracing and the wire shelving from menards so I could strap everything down with tarp straps.
1997 Ram 1500
2005 Ram 2500 HO Cummins
2014 K&K 20ft landscape trailer
2013 x739 4x4 with 54in HC deck / 60in HD Broom
2015 John deere z930R 54in deck