High Quality Content by WIKIPEDIA articles! In 1898 the Oranje-Vrijstaat Gouwermentspoorwegen ordered its final six new Cape Class 6 locomotives. When British forces invaded the Orange Free State during the Second Freedom War, these locomotives were taken over by the Imperial Military Railways and after the war they were renumbered into the Central South African Railways roster. In 1912, when they were assimilated into the South African Railways, they were renumbered and reclassified to Class 6E.