Prototype with its flammable product tanker-trailer - MIAG factories, Braunschweig, Germany, 1st April 1945.
This is a hoax tank originally created on behalf of a special "April Fool" paper , published in the French magazine Trucks & Tanks Magazine (TNT) of March-April 2019, by Mr. Filipiuk.
But hey, I could not resist to give you my version for fun ...