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9/18/2025
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Home > Union Pacific Railroad Company > Locomotives > Alco 4-6-6-4 > UP 3941
Pictures of UP 3941
 
Owner: Union Pacific Railroad Company
Model:Alco 4-6-6-4Built As:UP 3941 (4-6-6-4)
Serial Number:72803Order No:S-1938
Frame Number:21X32 cylinders, 69" driversBuilt:8/1944
Notes:Schenectady 08/1944, retired 09/1959
Other locos with this serial:  UP 3941(4-6-6-4)
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UP 3941
Title:  UP 3941
Description:  estimated date 1940 - 1950
Photo Date:  1/1/1945  Upload Date: 7/4/2022 5:26:21 PM
Location:  Cheyenne, WY
Author:  Richard Flebbe
Categories:  Steam
Locomotives:  UP 3941(4-6-6-4)
Views:  690   Comments: 0
UP 3941
Title:  UP 3941
Description:  estimated date 1940 - 1950
Photo Date:  1/1/1945  Upload Date: 7/10/2022 4:51:19 PM
Location:  North Platte, NE
Author:  Richard Flebbe
Categories:  Steam
Locomotives:  UP 3941(4-6-6-4)
Views:  562   Comments: 0
UP 3941 (4-6-6-4) and UP 4024 (4-8-8-4)
Title:  UP 3941 (4-6-6-4) and UP 4024 (4-8-8-4)
Description:  Collection of Mario Stefani
Photo Date:  5/14/1953  Upload Date: 8/10/2012 10:35:05 AM
Location:  Borie, WY
Author:  unknown
Categories:  Roster,Model,Steam,Action
Locomotives:  UP 3941(4-6-6-4) UP 4024(4-8-8-4)
Views:  4162   Comments: 2
UP 3941
Title:  UP 3941
Description:  Tom Gildersleeve set
Photo Date:  6/14/1957  Upload Date: 8/24/2025 10:42:12 PM
Location:  Rawlins, WY
Author:  Tom Gildersleeve
Categories:  Roster
Locomotives:  UP 3941(4-6-6-4)
Views:  95   Comments: 0

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