Several Romanian tugs active on the Danube according to a CIA report dated 1 July 1948

An item reported that there were 12-14 Romanian tugs available for service on the Danube, 3 were diesel propelled with a horsepower varying between 300-1.000hp and the others were steam tugs with a horsepower varying between 700-800hp.

Source
The report was published on www.archive.org, document number CIA-RDP82-00457R001600650003-4