South African Class NG9 4-6-0
 The South African Class NG9 4-6-0 of 1915 is a South African steam locomotive from the South African Railways era.During 1915 and 1916 the South African Railways placed six steam locomotives with a 4-6-0 wheel arrangement in service on the Langkloof narrow gauge line. When a system of grouping narrow gauge locomotives into classes was eventually introduced somewhere between 1928 and 1930 they were classified as Class NG9.