Were the CSA challengers ever greyhound painted?
And, (excluding the headlight) what are the differences from the front frame of the upgraded CSA challengers, and the late model challengers.
http://utahrails.net/up/ttg-challengers.php
Timeline for TTG steam locomotives
Early 1946 - Dec. 1946 Two Tone Gray with Silver Gray striping and lettering
Dec. 1946 - Mid 1949 TTG with Armor Yellow striping and lettering
Mid 1949 - mid 1952 TTG with Silver Gray striping and lettering (some locomotives were not repainted to Black and Silver until as late as 1954)
In addition to the 10 Challengers there were 45 Northerns (4-8-4), 60 Mountains (4-8-2), and 14 Pacifics (4-6-2) also there is some evidence that at least a few yard switchers were gussied up with TTG.
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