A final locomotive, 773, was constructed in Glasgow.
Four 4-4-2 locomotives of the Milwaukee Road class A were constructed for this service in 1935.
In 1911 seven new locomotives were constructed at Eveleigh.
The four locomotives are of common vintage and were constructed in the same works.
Three locomotives complete with circular railways were constructed in 1895 for fairgrounds.
The locomotives were constructed with safety and crew comfort in mind.
A further 20 locomotives were constructed in 1875, numbered 999, 1000 and 1116-1133.
A locomotive this size had never been constructed before and proved to be a unique engineering challenge.
The locomotives for this changeover had been constructed by Hitachi.
Ten locomotives were constructed between 1951 and 1952, with a further 15 planned for construction.