"Mine" looks like this
although it is the property of the federal government. It is all aluminum even the nose. They are in process of a new design to replace over 140,000 of these as they are all 20-30 years old now. They will be very inexpensive to buy once they are finally surplused. The test image of one of new designs looks like it follows the template some but is much taller with 6' stand-up height inside.
Anyway, they are on an s-10 chassis but I have heard there are no more good transmission cores out there anymore, we have used them all and they now have be rebuilt so any times the rebuilders won't give us warranties anymore. Plan on fabricating some kind of swap if you buy one, they are only non-lockup 3 speed automatics anyway so would be the first thing to ditch for economy.