SS Orcades was built in Germany and launched as Prinz Ludwig. Served on routes to Asia until laid up in Germany during the 1914-1918 War. As part of war reparations Prinz Ludwig came under control of the British Shipping Controller in 1919 and was used for troop repatriations to Australia. Prinz Ludwig was purchased by the Orient Steam Navigation Company (Orient Line) in 1921 underwent refit and was renamed Orcades. The vessel then served on the UK-Australia route until 1924.
Builder of the SS Orcades (1921) is Szczecin.