Re d'Italia, was built by Sir J. Laing & Sons Ltd. of Sunderland, with steam engines provided by G. Clark Ltd. of Sunderland. Launched on 22 December 1906 for Lloyd Sabaudo, she sailed on her maiden voyage from Genoa to Palermo, Naples, and New York on 6 April 1907. Continuing on Mediterranean–New York service, Re d'Italia sailed opposite of Principe di Piemonte on the route through about 1910, and through about 1916. In 1917, Re d'Italia, by this time the only Lloyd Sabaudo ship sailing to the United States, made four roundtrips to New York.
U.S. troopship duties
Beginning in May 1918, Re d'Italia was chartered as a United States troop transport and attached to the United States Navy Cruiser and Transport Force. Re d'Italia sailed on her first wartime convoy on 18 May from Newport News, Virginia, with U.S. Navy transports,,. Rendezvousing with a contingent of transports from New York—Navy transports,, Army transport ship, Navy stores ship, and Italian steamer —the convoy was escorted by American cruiser, and destroyers and. After arriving in France on 30 May, Re d'Italia returned to the United States in mid June. Re d'Italias next convoy left Newport News on 23 June and consisted of the Italian steamers,, the French, and American transports Pocahontas and Susquehanna. Accompanied by,,,, and, the convoy reached France on 5 July. Re d'Italia returned to Virginia on 21 July with Caserta. Re d'Italia left Newport News with the American transport on their next convoy on 31 July, joining up with New York transports,, Calamares,, and. Escorts for the convoy were cruisers and, and destroyers,,. The convoy arrived in France on 12 August. Re d'Italia arrived back in Virginia on 24 August. The Italian liner made additional crossings in September and October, returning after the latter on 17 November, six days after the Armistice.
Later career
Re d'Italias first voyage after the Armistice was from Genoa to Marseille and New York on 27 April 1919. In 1920, she was refitted to carry second- and third-class passengers only. She continued Mediterranean–New York sailings until 1922 when she was transferred to South American service. On 26 October 1923 she made one roundtrip from Genoa to Naples, Palermo, and New York. She was scrapped at Genoa in 1929.