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Steam Locomotion in
the 21st Century
The Recent History of
Steam Locomotive Development
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SAR Class 25NC 4-8-4 no. 3454
updated 7 February 2022
South African Railways Class 25NC
4-8-4 #3454
photo courtesy of David Guelpa
The modifications to this
locomotive were designed by Dr. P. Le Seur
who had previously assisted David Wardale
with the design and testing of #3450. The
modifications were intended to provide
increased performance without being as
extensive as those applied to the Red Devil.
#3454 features dual exhaust stacks, placed
transversely in the smokebox, as clearly
shown in this photo.
This locomotive also survived into
preservation.
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