The South African Class NG G12 2-6-2+2-6-2 of 1927 is a South African steam locomotive from the South African Railways era.In 1927 the South African Railways placed two Class NG G12 Garratt articulated steam locomotives with a 2-6-2+2-6-2 wheel arrangement in service. They were the smallest Garratt locomotives to see service in South Africa.