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12/25/2024
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Alco 4-6-6-4Built As:UP 3963 (4-6-6-4)
Serial Number:69773Order No:S-1855
Frame Number:21X32 cylinders, 69" driversBuilt:5/1942
Notes:Schenectady 05/1942, retired 10/59
Other locos with this serial:  UP 3963(4-6-6-4)
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