But what if it was stanced and ran Fuch's?
That rod that is clipped to the top of the muffler was used by a crew member to raise and lower the propeller assembly. A modern Schwimmwagen would have a basalt fiber composite hull that would stop largish caliber rounds, and one or two hydrojets that could be steered and throttled from the driver's seat. It might look like this:
Should've renamed that pic when I squirreled it way. It was some Spanish scooter manufacturer.
The guy that drove an amphibious jeep around the world added a bow piece. A Schwimmwagen with added bow and stern pieces could have the fineness ratio of a U-bloat.