GARRATTS: Steam Locomotives on narrow gauge, UAS7

The South African Railways Class NG G16 2-6-2+2-6-2 is a narrow gauge steam locomotive class. Between 1937 and 1968, the South African Railways placed 34 Class NG G16 Garratt articulated 2-6-2+2-6-2 steam locomotives in service on the Avontuur Railway and on the Natal narrow gauge lines. Wikipedia