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12/13/2017
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Rebuilt EMD SD40NBuilt As:UP 3731 (SD40-2)
Serial Number:796297-73Order No:796297
Frame Number:796297-73Built:2/1980
Notes:nee UP 3731
Other locos with this serial:  UP 3731(SD40-2) UP 1638(SD40N)
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UP 1646
Title:  UP 1646
Description:  I never thought I'd live to see the day I'd be excited about photgraphing a UP SD40-2.
Photo Date:  12/9/2011  Upload Date: 12/11/2011 1:07:37 PM
Location:  Fort Worth, TX
Author:  Roberto Alaniz
Categories:  Roster,Yard
Locomotives:  UP 1646(SD40N) UP 1638(SD40N)
Views:  222   Comments: 0
UP 1646
Title:  UP 1646
Description:  Two SD40Ns drag a transfer run around track work equipment and uphill into Ney Yard.
Photo Date:  12/18/2011  Upload Date: 12/18/2011 10:21:27 PM
Location:  Fort Worth, TX
Author:  Roberto Alaniz
Categories:  Roster,Yard
Locomotives:  UP 1646(SD40N) UP 1638(SD40N)
Views:  132   Comments: 0
UP 9947
Title:  UP 9947
Description: 
Photo Date:  3/13/2012  Upload Date: 7/17/2013 8:06:39 PM
Location:  Fort Worth, TX
Author:  Corey Taylor
Categories:  Roster,Action
Locomotives:  UP 9947(SD40-2) UP 1638(SD40N)
Views:  83   Comments: 0
UP 9947
Title:  UP 9947
Description: 
Photo Date:  3/13/2012  Upload Date: 7/17/2013 8:15:04 PM
Location:  Fort Worth, TX
Author:  Corey Taylor
Categories:  Roster,Action
Locomotives:  UP 9947(SD40-2) UP 1638(SD40N)
Views:  74   Comments: 0
UP 1638
Title:  UP 1638
Description: 
Photo Date:  3/13/2012  Upload Date: 7/17/2013 8:15:54 PM
Location:  Fort Worth, TX
Author:  Corey Taylor
Categories:  Roster,Action
Locomotives:  UP 1638(SD40N)
Views:  69   Comments: 0
UP 1638
Title:  UP 1638
Description:  Fresh from rebuilding and posing for a roster shot in Davidson Yard.
Photo Date:  3/25/2012  Upload Date: 3/28/2012 1:10:29 AM
Location:  Fort Worth, TX
Author:  Roberto Alaniz
Categories:  Roster,Yard
Locomotives:  UP 1638(SD40N)
Views:  129   Comments: 0
UP 1617
Title:  UP 1617
Description:  A quartet of diesels bring the FWWR-UP transfer run onto UP rails on the short trek to Peach Yard. This turn usually has three SD40Ns but today a C44-9W is in trailing position.
Photo Date:  5/27/2012  Upload Date: 6/16/2012 3:49:41 AM
Location:  Fort Worth, TX
Author:  Roberto Alaniz
Categories:  Roster,Action
Locomotives:  UP 1617(SD40N) UP 1638(SD40N) UP 9797(C44-9W) UP 1594(SD40N)
Views:  232   Comments: 0
UP 1638
Title:  UP 1638
Description:  A freshly repainted former Mopac SD40-2 works with a recently rebuilt SD40N. Note the lack of the 'zig-zag' on the hood of 9947.
Photo Date:  2/19/2013  Upload Date: 3/3/2013 1:32:48 PM
Location:  Fort Worth, TX
Author:  Roberto Alaniz
Categories:  Roster,Yard
Locomotives:  UP 1638(SD40N) UP 9947(SD40-2)
Views:  100   Comments: 0
UP 1638
Title:  UP 1638
Description: 
Photo Date:  9/17/2014  Upload Date: 9/26/2014 3:28:43 PM
Location:  Maxwell, NE
Author:  Glenn Laux
Categories:  Roster
Locomotives:  UP 1638(SD40N)
Views:  59   Comments: 0
UP 1638
Title:  UP 1638
Description: 
Photo Date:  9/17/2014  Upload Date: 9/26/2014 3:41:57 PM
Location:  Brady, NE
Author:  Glenn Laux
Categories:  Roster
Locomotives:  UP 1638(SD40N)
Views:  89   Comments: 0
UP 1638
Title:  UP 1638
Description: 
Photo Date:  2/7/2015  Upload Date: 2/7/2015 8:26:07 PM
Location:  North Platte, NE
Author:  Matt Petersen
Categories: 
Locomotives:  UP 1638(SD40N)
Views:  45   Comments: 0
UP 1638
Title:  UP 1638
Description:  UP 1638 lashed up with her "Y" sister down near the wheel defect detector area along the entrance strip.
Photo Date:  6/18/2016  Upload Date: 8/20/2016 1:42:48 PM
Location:  North Platte, NE
Author:  B Campbell
Categories: 
Locomotives:  UP 1638(SD40N)
Views:  30   Comments: 0


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