I would like to be able to throw the everlast on there for the AC tig and plasma but have a feeling it wouldn't hold up very long to the bumping of going down the road.
It wouldn't take a lot to add a couple stiffeners inside a unit for bouncing the unit around if you are talking one of our larger units. Many would not even require that. But when you have TIG/Stick/Plasma in a box, the transformers get heavy.