Imperator was the first of a trio of successively larger Hamburg American liners that included Vaterland (later the United States Liner Leviathan) and Bismarck (later the White Star Line Majestic) all of which were seized as war reparations.

At the time of her completion in June 1913, she was the largest passenger ship in the world by gross tonnage, surpassing the new White Star liner Olympic. Imperator was a German ocean liner built for the Hamburg America Line, launched in 1912. Steam generated at 265 psi by 46 watertube boilers of Vulcan Yarrow design, originally coal burning, later converted to oil fired in 1921.Ĥ steam turbines AEG-Vulcan / Parsons direct drive on four shafts, total of 60,000 shp (45,000 kW) Sold for scrap in 1939 final demolition completed in or around 1946.Ĭeded to the Cunard Line as a war prize to make up for the loss of the RMS Lusitania and later renamed Berengaria Handed over to the Cunard Line in September 1919, and renamed as RMS Berengaria. Used as a troop transport ship for the United States from May 1919. 11 June 1913, Cuxhaven to New York Via Southampton