Have a look at this one

http://www.mcn.org/b/roadcow/default.html

Well it's different and he's a wee bit eccentric but interesting.....

A toyota engine?

The Roadcow has quite a history in the states on "type2.com" user list. This one really gets around. The miles it clocks up is amasing.
Not sure on the Toyota motor either (I thing the hump on the back is the radiator).
Andy