The South African Railways Class 21 2-10-4 of 1937 was a class of steam locomotives used in South Africa.
No. 2551 with smoke deflectors
A.G. Watson
Class 21 no. 2551 b
Class 21 no. 2551 a
The South African Railways Class 15F 4-8-2 of 1938 is a steam locomotive.
South African Class 21 2-10-4
…were stayed by cross stretchers of a light fabricated construction. It used a Watson Standard no. 3B boiler, the same as that used in the Classes 15E, 15F and 23. The result could be considered as Watson's answer to the Class GF Garratt locomotive, the two types having very similar axle loads. The Class…
2940 Lynette on the Johannesburg-Magaliesburg line, 6 April 1992
Preserved hand-fired Henschel-built no. 2914 Spikkels of Reefsteamers with a Type JT tender, 22 May 2014
Pre-war NBL-built no. 2928 with a Type EW tender, Bloemfontein, Free State, 14 October 2009
Post-war NBL-built no. 3007 with a Type ET tender arriving at George Square in Glasgow, 25 August 2007