The South African Class Experimental 5 2-8-2 of 1906 is a South African steam locomotive from the pre-Union era in the Cape Colony.In 1906 the Cape Government Railways placed a single experimental 9th Class steam locomotive with a 2-8-2 Mikado wheel arrangement in service. In 1912 when this locomotive was assimilated into the South African Railways it was renumbered and classified as Class Experimental 5.