As traffic became more substantial, old locomotives were acquired from the national railway network to run on the tramway.

Another twenty-six locomotives were acquired in 1928.

The first three locomotives were acquired for use during the construction of the narrow gauge branch line from Kalbaskraal to Hopefield.

When the iron ore was worked out, the locomotives were surplus to requirements, and were acquired by London Underground in 1971.

In 1939, some 2-6-2T locomotives were acquired.

After the war, some 2-8-0 locomotives by Baldwin and Alco were acquired.

The locomotive was subsequently acquired by the Deltic Preservation Society.

Following the pilot project with the four Class 19 locomotives, four variants on the class were acquired over the next twenty-one years.

In 1907, two locomotives with compound steam workings were acquired and designated Mv.

In 1908 another locomotive, numbered U.41, was also acquired.