Portrait of a Commonwealth Railways KA class tender locomotive, probably at Port Augusta, South Australia. The fleet number of this locomotive is not clear; the KA class locomotives were numbered KA35–KA54 and KA56–KA61.This is one of a number of images in the collection of the State Library of South Australia depicting Commonwealth Railways locomotives said to have been taken in around 1951, the year the new Commonwealth Railways GM class diesel-electric locomotives began to replace the CR's remaining steam locomotive fleet on the Trans-Australia Railway.