Polarstern

English translation from Eis-brecher.com:

Length 236 m Moulded breadth max. 48 m Depth to main deck 27.9 m Designed draft max. 14.21 m Displacement at max. draft 24,300 t Unladen weight 19,820 t Power output (12 engines) ca. 75,000 PS Maximum speed improbable Special feature unsinkable