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1942 Union Pacific Challenger 4-6-6-4 ALCO UP 3967 Locomotive Photo
Original large-format black & white photograph showing a Union Pacific Challenger (4-6-6-4) steam locomotive under construction inside an ALCO plant circa 1942. This striking industrial scene captures the locomotive in early assembly with visible piping, boiler structure, and factory equipment. The image is marked “S-1855 #23,” consistent with ALCO construction series, and the reverse is identified in pencil as “U.P. 3967.”
Includes:
• Original vintage photograph
• Measures approximately 9 3/4" x 8"
• Glossy finish with strong detail
• Marked “S-1855 #23” in negative
• Reverse marked “U.P. 3967”
Condition Notes:
• Light corner dings and edge wear
• Minor surface scratches and smudging
• Typical age-related handling wear
• Pencil writing on reverse
• Please see our photos as they are part of our description.
This is a desirable railroad industrial photograph combining Union Pacific steam power history with ALCO manufacturing documentation. A strong piece for collectors of steam locomotives, railroad history, and early 1940s industrial photography.
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