South African Railways (SAR) Class 5E1, Bo-Bo type electric locomotive, early 1960s

Despite the name of the train being blue, the loco at this time was painted in green with yellow stripes. Developed by Metropolitan-Vickers (Metrovick), a total of 690 units of the 3 kV DC class were built across five distinct series between 1959 and 1969.

The Blue Train (Bloutrein) between Johannesburg and Cape Town adopted the name in 1946. It has been South Africa's luxury passenger train service with blue-and-silver cars since then. 

See earlier posts.