Looks like a cross between a tractor, & plymouth switcher.
Believe it or not what you are looking at is a real commercial product. It is not someone's garage nightmare.
Why does that Engine have a E Shelf Coupler? Those were suppose to be for Tankers only?
That's a very interesting question. I can only guess that perhaps it was used at one time to switch tanks at an oil industry. Perhaps in south Texas. Just guessing!
That guy looks like me!