The South African Railways Class 6F 4-6-0 of 1900 is a steam locomotive from the pre-Union era in the Cape of Good Hope.In 1900 two redesigned 6th Class 4-6-0 steam locomotives were placed in service by the Cape Government Railways. In 1912, when they were assimilated into the South African Railways, they were renumbered and reclassified to Class 6F.