Shortly after the factory near Fallersleben was completed, World War II started and the plant primarily manufactured the military Kübelwagen (Porsche Type 82) and the related amphibious Schwimmwagen (Type 166), both of which were derived from the Volkswagen.
Pak pasi fabrika afër Fallersleben përfundoi, nisi Lufta e Dytë Botërore dhe fabrika filloi të prodhojë makinën ushtarake Kübelwagen (Porsche Tipi 82) dhe makinën ushtarake amfibe Schwimmwagen (Tipi 166), të dy ishin derivatë të krijuar nga Volkswagen.