Less the bed
Minus the bed, it looks like the Freigtliner M2 Sport (I think) that was popular among 5th wheel RVers.I saw this truck at a local U-Haul today and having worked for Navistar for part of my career I knew I have never seen this before. The owner is a retired engineer from Alabama and said the truck was built in Texas for some trade show in 2005 and was created as a joke just to garner attention but they actually built 100 of them and sold out instantly. Obviously he got one and it's pretty cool. That's a Ford bed on it.