By 1922, only two South West African Zwilinge 0-6-0Ts remained available to the South African Railways despite 182 pairs being made in total.
The South West African Zwillinge 0-6-0T of 1898 was a narrow gauge steam locomotive from the German South West Africa era. By 1922, only two known specimens of these locomotives remained to be taken onto the roster of the South African Railways. GSWA Zwillinge 0-6-0T
South West African Zwillinge 0-6-0T Steam Zwillinge 1899-1905 182 pairs 
