I keep thinking it was Ford Iron but need to check.
A guy after my own heart!

I would love a truck! Would need to have a "covered" bed so it could fit on the drive body. The old Ideal Motorriffic line had a few trucks and they had a "tarp" over the truck bed. Strange but worked.
Tomy is releasing busses this month.

And some form of battle truck in the future.
Saw on a German micro 1/87 scale RC site some one I think has a Unimog.
Actualy a company named Rolan have had for a few years a 3D plotter and a 3d mech based scanner. Each is about 1000 but included software and can pass data back and forth. But 2000 to make bodies for a 20 dollar car is a bit much.