What version of wacky gator is it?
But yeah it should have wheels, and the back/top box hinges back, but I dont see why you couldnt take it off. You will have to deal with the wiring from the head to the cab.
Ah ok, I busted one of those up not too long ago and now have 2 of newer namco US ones.
You should be able to get the head off but you will have to deal with all the wires from the cab to the head.
it can fold the back down for moving. Taking the whole top box over is a PITA and I'm not sure if it can be done bcause of all of the wire harnesses that go up into it.
I have one in the garage. I rebuilt much of it but never took the top box off.