The Polish steam tug B 60 type according to a CIA report dated around 1955

In a report titled Shipbuilding in Poland 1945-1955 were several series of ships described built by Polish shipyards including the steam tug B 60 type with a horsepower of 325 ihp/270rpm, a service speed of 10 knots and as dimensions 24,45 (between perpendiculars)-27,40 (over all) x 6,00 (moulded) x 3,54 (depth to main deck) x 3,05 (draught) metres or 80’3”-89’11” x 19’8”x 11’7” x 10’0”.

Source
The report was published on www.archive.org, document number CIA-RDP80T00246A003600560002-9