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12/12/2025
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Home > Union Pacific Railroad Company > Locomotives > Rebuilt EMD SD40N > UP 1640
Pictures of UP 1640
 
Owner: Union Pacific Railroad Company
Model:Rebuilt EMD SD40NBuilt As:UP 3708 (SD40-2)
Serial Number:796297-50Order No:796297
Frame Number:796297-50Built:1/1980
Notes:nee UP 3708 re# 8/25/11
Other locos with this serial:  UP 3708(SD40-2) UP 1640(SD40N)
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UP 1640
Title:  UP 1640
Description:  A rebuilt UP SD40-2 at Settegast Yd.
Photo Date:  10/8/2011  Upload Date: 2/2/2012 4:52:49 PM
Location:  Houston, TX
Author:  Doug Wooten
Categories:  Roster,RollingStock
Locomotives:  UP 1640(SD40N)
Views:  860   Comments: 0
UP 1640
Title:  UP 1640
Description:  Classified as an SD40n, the 1640 looks good after a recent rebuild & new paint. The Fort Collins local power sits while the crew takes a lunch break
Photo Date:  1/23/2012  Upload Date: 1/26/2017 2:04:50 PM
Location:  Fort Collins, CO
Author:  Richard Kundert
Categories:  Roster
Locomotives:  UP 1640(SD40N) UP 3341(SD40-2)
Views:  936   Comments: 0
UP idle
Title:  UP idle
Description:  Awaiting orders
Photo Date:  3/26/2012  Upload Date: 5/6/2012 1:14:55 AM
Location:  Fort Collins, CO
Author:  Kevin Murray
Categories:  Yard
Locomotives:  UP 1640(SD40N)
Views:  791   Comments: 0
UP Local
Title:  UP Local
Description:  Switchers at rest
Photo Date:  3/26/2012  Upload Date: 5/6/2012 1:13:21 AM
Location:  Fort Collins, CO
Author:  Kevin Murray
Categories:  Yard
Locomotives:  UP 1640(SD40N) UP 3208(SD40-2) UP 3538(SD40-2)
Views:  1116   Comments: 0
OVERKILL
Title:  OVERKILL
Description:  UP Local on Riverside with lots of power
Photo Date:  5/12/2012  Upload Date: 5/12/2012 12:17:32 AM
Location:  Fort Collins, CO
Author:  Kevin Murray
Categories: 
Locomotives:  UP 3341(SD40-2) UP 1510(GP40M-2) UP 2300(SD60M) UP 3208(SD40-2) UP 1640(SD40N) UP 3536(SD40-2)
Views:  1522   Comments: 0
UP 1640, 2300, 2413. 3538, and 3341
Title:  UP 1640, 2300, 2413. 3538, and 3341
Description: 
Photo Date:  5/29/2012  Upload Date: 5/31/2012 7:55:04 PM
Location:  Fort Collins, CO
Author:  Marty Bernard
Categories: 
Locomotives:  UP 1640(SD40N) UP 2300(SD60M) UP 2413(C30-7) UP 3538(SD40-2) UP 3341(SD40-2)
Views:  1416   Comments: 0
Nine UP units on the Local!!
Title:  Nine UP units on the Local!!
Description:  On 8/29/2012, the UP local came into Fort Collins with 9 units!! 5 of the 9 had been picked up at Kelim after receiving mechanical work at Omnitrax in Loveland.
Photo Date:  8/29/2012  Upload Date: 1/20/2017 1:11:31 PM
Location:  Fort Collins, CO
Author:  Richard Kundert
Categories:  Action
Locomotives:  UP 1640(SD40N)
Views:  736   Comments: 0
UP 1640 Working Fort Collins on the Greeley Sub
Title:  UP 1640 Working Fort Collins on the Greeley Sub
Description:  Academy Court. 1331 hours.
Photo Date:  9/5/2012  Upload Date: 9/8/2012 6:22:46 PM
Location:  Fort Collins, CO
Author:  Kim Piersol
Categories: 
Locomotives:  UP 1640(SD40N)
Views:  682   Comments: 0
And another in the consist
Title:  And another in the consist
Description:  UP 1640 with new paint
Photo Date:  6/28/2013  Upload Date: 4/19/2014 8:01:33 PM
Location:  Fort Collins, CO
Author:  Kevin Murray
Categories:  Action
Locomotives:  UP 1640(SD40N)
Views:  715   Comments: 0
UP 1640
Title:  UP 1640
Description: 
Photo Date:  11/23/2013  Upload Date: 11/25/2013 11:03:30 PM
Location:  Denver, CO
Author:  Bob Keenan
Categories:  Roster
Locomotives:  UP 1640(SD40N)
Views:  626   Comments: 0
UP 1640
Title:  UP 1640
Description: 
Photo Date:  8/27/2014  Upload Date: 8/27/2014 4:23:20 PM
Location:  Denver, CO
Author:  Wil Hata
Categories: 
Locomotives:  UP 1640(SD40N) UP 2287(SD60M)
Views:  890   Comments: 0
UP 1640
Title:  UP 1640
Description:  UP Line
Photo Date:  2/15/2015  Upload Date: 2/16/2015 4:55:34 PM
Location:  Denver, CO
Author:  Paul Rice
Categories:  Roster
Locomotives:  UP 1640(SD40N)
Views:  607   Comments: 0
UP 1640 UP yard job train
Title:  UP 1640 UP yard job train
Description:  Toting a box car to the ramp at 9th street, a pair of SD40N's are passing an SD40N/SD40-2 duo tied down awaiting local duties
Photo Date:  12/6/2015  Upload Date: 4/6/2016 10:17:33 PM
Location:  Salina, KS
Author:  Lucas McIntyre
Categories: 
Locomotives:  UP 1640(SD40N) UP 1865(SD40N) UP 1997(SD40N) UX D5V(SD40N)
Views:  1336   Comments: 2
UP 1640
Title:  UP 1640
Description: 
Photo Date:  5/19/2019  Upload Date: 5/28/2019 9:11:36 PM
Location:  Commerce City, CO
Author:  Ashley Rodriguez
Categories: 
Locomotives:  UP 1640(SD40N)
Views:  650   Comments: 1
UP 1640 UP 801
Title:  UP 1640 UP 801
Description:  SD40N 1640 and GP38-2 No. 801 are paired in Denver north yard on September 4th, 2021.
Photo Date:  9/4/2021  Upload Date: 12/13/2021 5:47:28 PM
Location:  Denver, CO
Author:  James Griffin
Categories:  Roster,Yard
Locomotives:  UP 1640(SD40N) UP 801(GP38-2)
Views:  851   Comments: 0
UP 1640
Title:  UP 1640
Description:  UP Line Denver
Photo Date:  12/4/2023  Upload Date: 12/4/2023 6:39:31 PM
Location:  Denver, CO
Author:  Paul Rice
Categories: 
Locomotives:  UP 1640(SD40N)
Views:  502   Comments: 0

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