The Hungarian inland sidewheel diesel tug Esztergom according to a CIA report dated 11 December 1953

An item reported that the Hungarian-Soviet Navigation Company (Meszhart) founded in 1946 taken over the properties of the Austro-Hungarian Danube Steamship Company (DDSG) which was taken over by the Soviet Union which considered this company as German. She possessed the sidewheel diesel tug Esztergom with 1.100 hp horsepower.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A003100060007-4