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4/3/2020
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:EMD SD40-2Built As:UP 3731 (SD40-2)
Serial Number:796297-73Order No:796297
Frame Number:796297-73Built:2/1980
Other locos with this serial:  UP 3731(SD40-2) UP 1638(SD40N)
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UP 3731
Title:  UP 3731
Description: 
Photo Date:  5/30/1993  Upload Date: 2/23/2009 12:48:17 AM
Location:  Lynndyl, UT
Author:  Quinn Clegg
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  100   Comments: 0
UP 3731
Title:  UP 3731
Description: 
Photo Date:  3/23/2006  Upload Date: 3/24/2006 4:50:24 AM
Location:  Fort Worth, TX
Author:  Richard Whitenight
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  152   Comments: 0
UP 3731
Title:  UP 3731
Description:  third unit on a ballast train.
Photo Date:  4/7/2006  Upload Date: 4/13/2006 12:10:49 AM
Location:  Silver Lake, TX
Author:  Neil Stutzman
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  136   Comments: 0
UP 3731
Title:  UP 3731
Description: 
Photo Date:  7/14/2006  Upload Date: 7/20/2006 4:42:28 PM
Location:  Berea, OH
Author:  TOM HABAK
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  108   Comments: 0
UP 3731
Title:  UP 3731
Description: 
Photo Date:  11/18/2006  Upload Date: 11/18/2006 3:33:59 PM
Location:  Taylor, TX
Author:  Dave Koontz
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  127   Comments: 0
UP 3731
Title:  UP 3731
Description: 
Photo Date:  11/18/2006  Upload Date: 11/18/2006 3:34:03 PM
Location:  Taylor, TX
Author:  Dave Koontz
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  120   Comments: 0
Northbound UP Auto Train
Title:  Northbound UP Auto Train
Description:  SD40s take UP Train AMXASB 24 into Dexter on the UP Hoxie Sub. As you can see, the 8302 has a really fancy CSX logo.
Photo Date:  11/26/2006  Upload Date: 8/31/2012 5:32:34 AM
Location:  Dexter, MO
Author:  Zach Pumphery
Categories:  Action
Locomotives:  UP 3731(SD40-2) CSX 8302(SD40)
Views:  234   Comments: 1
UP 3731
Title:  UP 3731
Description:  Union Pacific Railroad Company
Photo Date:  5/10/2007  Upload Date: 5/10/2007 11:41:50 PM
Location:  Benson, UT
Author:  Rodney J. Sorensen
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  163   Comments: 0
Southbound Intermodal
Title:  Southbound Intermodal
Description:  Railfest Train #69 of 74 UP Train ZSEMN 15 makes a pick up at Dupo behind Brian Frierdich's back yard before departing.
Photo Date:  5/20/2007  Upload Date: 5/22/2007 12:06:24 AM
Location:  Dupo, IL
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 4178(SD70M) UP 3731(SD40-2) UP 9661(C44-9W)
Views:  261   Comments: 2
UP 4666
Title:  UP 4666
Description:  An eastbound rail train waits alongside Dewey Avenue, shortly after the dispatcher has announced, "That's enough eastbounds, we've been doing eastbounds all morning. Time for some westbounds." This train answered back that it was tying down, and I discovered that it was under the authority of a lady hogger. These units have quite a varied seniority. #4666 was delivered June 2001, #3731 in February 1980, and #2222 as #6067 in March 1988.
Photo Date:  2/9/2008  Upload Date: 2/18/2008 12:53:04 PM
Location:  Riverside, CA
Author:  Charles Freericks
Categories: 
Locomotives:  UP 4666(SD70M) UP 3731(SD40-2) UP 2222(SD60)
Views:  884   Comments: 0
Streeter meet
Title:  Streeter meet
Description:  Westbound stacks pass an eastbound rail train, while paralleling Dewey Avenue in the Riverside "Quiet Zone." No horns allowed. The area behind my back here is all residential, with tidy working class homes. The westbound stacker has just come off the BNSF San Bernardino Sub and is now on home rails on UP's Los Angeles Sub, about to pass "Streeter." It's lead unit is one of UP's older ES44ACs, #5520, which was delivered June 2005. SD40-2 #3731 is a tad older though, having been delivered February 1980.
Photo Date:  2/9/2008  Upload Date: 2/18/2008 12:49:01 PM
Location:  Riverside, CA
Author:  Charles Freericks
Categories: 
Locomotives:  UP 5520(AC45CCTE) UP 3731(SD40-2)
Views:  773   Comments: 0
UP 3731
Title:  UP 3731
Description: 
Photo Date:  4/15/2008  Upload Date: 4/23/2008 12:26:44 AM
Location:  Fort Worth, TX
Author:  Tim Zatto
Categories: 
Locomotives:  UP 3731(SD40-2)
Views:  145   Comments: 0
UP 3731
Title:  UP 3731
Description:  Unit #27 in the big consist at Spring
Photo Date:  5/25/2008  Upload Date: 6/8/2008 8:32:41 PM
Location:  Spring, TX
Author:  Randy Smith
Categories:  Roster
Locomotives:  UP 3731(SD40-2)
Views:  195   Comments: 0


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