South African Class 16DA 4-6-2

The South African Class 16DA 4-6-2 include two locomotive types, both designated Class 16DA in spite of their difference in respect of firebox size and performance.

Hohenzollern-built Class 16DA of 1928

The first type was built by Hohenzollern Locomotive Works and Baldwin Locomotive Works in 1928 and 1929 respectively.

The Henschel-built Class 16DA locomotives of 1930, with their much wider fireboxes, their correspondingly larger grate areas and slightly larger diameter trailing wheels were sufficiently different from the Baldwin and Hohenzollern-builts to justify a separate classification, such as Class 16DB, but this did not happen and the locomotives ended up being known as the Wide Firebox Class 16DA.[1][2][3]

References
  1. Holland, D. F. (1972). Steam Locomotives of the South African Railways. 2: 1910-1955 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 57–58, 67–68. ISBN 978-0-7153-5427-8.
  2. Espitalier, T.J.; Day, W.A.J. (1946). The Locomotive in South Africa - A Brief History of Railway Development. Chapter VII - South African Railways (Continued). South African Railways and Harbours Magazine, May 1946. pp. 375-376.
  3. Durrant, A. E. (1989). Twilight of South African Steam (1st ed.). Newton Abbott, London: David & Charles. p. 94. ISBN 0715386387.
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