The South African Railways Class NG G13 2-6-2+2-6-2 of 1927 was a narrow gauge articulated steam locomotive. Between 1927 and 1929, the South African Railways placed twelve Class NG G13 Garratt articulated steam locomotives with a 2-6-2+2-6-2 Double Prairie type wheel arrangement in service on the Langkloof and Alfred County Railway narrow gauge lines.