Inside a big rig cab. Adding to the frame problem was the use ofpsi steel and the use of. When Ken Jr. It was very similar to the one pictured, and was the companies only flat bed, used for in town for crates, etc. Never built though. The owner right now is prob laughing, everyone is doing just what he,s wanting to acheive, Talking about it ,and speadin the word! I do not know what level of Due Diligence that Terex did before they purchased Unit Rig, but I am guessing that it was not much. Use nylon cable ties along the length of the power lead to tie it to tie points along its route Fred W. Jul 24, Member: RigMaster Power is a complete stand-alone Auxiliary Power Unit that runs all night on what your idling truck engine burns in two hours. There were also some bad decisions involving equipment design.