Mark Forbes's Collection
2/13/2026
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Home
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Locomotive Models
> Alco 4-6-6-4
All 4-6-6-4's on this site
Click on a locomotive to view pictures
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Unit #
Notes
Model
Serial
# Pictures
UP 3985
Challenger class 4664-4, donated to RRHMA.
4-6-6-4
70174
1
3208
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