The Hungarian screw motor tug Hunor according to a CIA report dated 3 December 1953

An item reported that the Hugarian-Soviet Shipping Company (Magyar-Szovjet Hajozasi Reszvenytarsasag=Meszhart) possessed the modern built oil fuelled screw tug Hunor of a horsepower of 800hp (continue rating) and able to take a cargo of around 500 tons herself.

Source
The report was published on www.archive.org, document number CIA-RDP80-00810A003000260005-5