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5/7/2025
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Pictures of UP DDA40X's in them
 
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UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/28/2015  Upload Date: 7/2/2015 6:40:47 PM
Location:  Saint Louis County, MO
Author:  Ryan Casey
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  705   Comments: 0
Centennial
Title:  Centennial
Description:  Looking good in its new paint job
Photo Date:  6/29/2015  Upload Date: 7/5/2015 5:27:35 PM
Location:  Kirkwood, MO
Author:  Nicholas Katz
Categories:  Roster,RollingStock,Yard,Track
Locomotives:  UP 6944(DDA40X)
Views:  276   Comments: 0
Union Pacific #6944
Title:  Union Pacific #6944
Description:  1971 Electo-Motive Division of GM; model DDA40X; 6,600hp D-D road locomotive
Photo Date:  8/29/2015  Upload Date: 8/30/2015 7:41:37 PM
Location:  Kirkwood, MO
Author:  Tim Fennell
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  380   Comments: 0
UP 6944
Title:  UP 6944
Description:  Newly restored UP DDA40X #6944 sits on display.
Photo Date:  9/12/2015  Upload Date: 10/3/2016 3:18:14 PM
Location:  Kirkwood, MO
Author:  Dylan Hunter
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  228   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  9/12/2015  Upload Date: 2/2/2017 10:47:56 PM
Location:  Kirkwood, MO
Author:  Dylan Hunter
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  250   Comments: 0
UP DD40-AX #6944 - Union Pacific "Centennial" Sign
Title:  UP DD40-AX #6944 - Union Pacific "Centennial" Sign
Description:  A National Museum of Transportation information sign for the massive UP 6944 on display.
Photo Date:  10/21/2015  Upload Date: 1/8/2018 7:21:04 AM
Location:  Kirkwood, MO
Author:  Gary Everhart
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  352   Comments: 0
UP DD40-AX #6944 - Union Pacific "Centennial"
Title:  UP DD40-AX #6944 - Union Pacific "Centennial"
Description:  This unit is one of the most difficult to photograph at the National Museum of Transportation due to its massive size and length. Built in 1971 by EMD, it is one of the largest diesel-electric locomotives ever built. It holds a massive place here.
Photo Date:  10/21/2015  Upload Date: 1/8/2018 7:21:07 AM
Location:  Kirkwood, MO
Author:  Gary Everhart
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  288   Comments: 0
UP DD40-AX #6944 - Union Pacific "Centennial"
Title:  UP DD40-AX #6944 - Union Pacific "Centennial"
Description:  Rear view of the massive DD40-AX Centennial model at the National Museum of Transportation.
Photo Date:  10/21/2015  Upload Date: 1/8/2018 7:21:11 AM
Location:  Kirkwood, MO
Author:  Gary Everhart
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  387   Comments: 1
UP DD40-AX #6944 - Union Pacific "Centennial"
Title:  UP DD40-AX #6944 - Union Pacific "Centennial"
Description:  Trustee plate on the massive UP Centennial #6944.
Photo Date:  10/21/2015  Upload Date: 1/8/2018 7:21:15 AM
Location:  Kirkwood, MO
Author:  Gary Everhart
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  350   Comments: 0
One Big Engine
Title:  One Big Engine
Description:  Centennial Class UP 6944 - One of the DDA40X group from EMD
Photo Date:  6/20/2016  Upload Date: 7/30/2017 4:03:39 PM
Location:  Kirkwood, MO
Author:  Kevin Murray
Categories:  Yard
Locomotives:  UP 6944(DDA40X)
Views:  278   Comments: 0
UP 6944 Locomotive (DDA40X)
Title:  UP 6944 Locomotive (DDA40X)
Description:  At St Louis County Museum Of Transportation
Photo Date:  9/7/2016  Upload Date: 9/23/2016 10:11:32 PM
Location:  Kirkwood, MO
Author:  Richard Gibson
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  468   Comments: 1
UP DDA40X #6944
Title:  UP DDA40X #6944
Description: 
Photo Date:  6/18/2017  Upload Date: 6/19/2017 9:54:09 PM
Location:  St. Louis, MO
Author:  Andrew Severt
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  323   Comments: 0
UP DDA40X #6944
Title:  UP DDA40X #6944
Description: 
Photo Date:  6/18/2017  Upload Date: 6/19/2017 9:54:44 PM
Location:  St. Louis, MO
Author:  Andrew Severt
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  324   Comments: 0
The largest diesel
Title:  The largest diesel
Description:  Right next to the Big Boy the largest steam engine
Photo Date:  1/23/2020  Upload Date: 2/7/2020 9:29:04 PM
Location:  Kirkwood, MO
Author:  Jonathan Hinely
Categories:  Roster,RollingStock,Action
Locomotives:  UP 6944(DDA40X)
Views:  420   Comments: 1
Trolley, Big Boy, and Snowplow
Title:  Trolley, Big Boy, and Snowplow
Description: 
Photo Date:  6/19/2021  Upload Date: 6/22/2021 8:37:58 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster,Steam,Passenger
Locomotives:  UP 4006(4-8-8-4) UP 6944(DDA40X) EL 3607(SD45)
Views:  366   Comments: 0
UP 4006 6944 900081
Title:  UP 4006 6944 900081
Description: 
Photo Date:  6/19/2021  Upload Date: 6/22/2021 8:39:00 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster,Steam
Locomotives:  UP 4006(4-8-8-4) UP 6944(DDA40X)
Views:  339   Comments: 0
UP 900081
Title:  UP 900081
Description: 
Photo Date:  6/19/2021  Upload Date: 6/22/2021 8:58:15 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  RollingStock
Locomotives:  UP 6944(DDA40X)
Views:  305   Comments: 0
UP 900081
Title:  UP 900081
Description: 
Photo Date:  6/19/2021  Upload Date: 6/22/2021 8:58:54 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  RollingStock
Locomotives:  UP 6944(DDA40X)
Views:  290   Comments: 0
UP 6944
Title:  UP 6944
Description:  In addition to one of the worlds largest steam engines, the museum has one of the worlds largest steam engines. This might have been able to push that snowplow by itself!
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:40:48 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  132   Comments: 0
UP 6944
Title:  UP 6944
Description:  One of the Centennial diesels, built in 1971.
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:41:41 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  120   Comments: 0
UP 6944
Title:  UP 6944
Description:  13 of these still exist.
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:43:54 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  104   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:44:32 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  115   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:45:10 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  124   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/19/2021  Upload Date: 6/23/2021 4:45:47 PM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  206   Comments: 0
SSW 95589
Title:  SSW 95589
Description:  I guess the steam engine was 257, unless there used to be another digit.
Photo Date:  6/19/2021  Upload Date: 6/28/2021 7:22:42 AM
Location:  Kirkwood, MO
Author:  Matthew Zisi
Categories:  RollingStock
Locomotives:  UP 6944(DDA40X)
Views:  245   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  3/4/2022  Upload Date: 5/18/2022 8:37:14 PM
Location:  La Crescent, MN
Author:  Jeffrey Streiff
Categories: 
Locomotives:  UP 6944(DDA40X) UP 6944(AC4460CW)
Views:  296   Comments: 0
Setting sun on UP Centennial.
Title:  Setting sun on UP Centennial.
Description:  next to last DDA40x produced for Union Pacific of the total 47 built.
Photo Date:  6/15/1980  Upload Date: 8/9/2015 12:10:05 PM
Location:  Los Angeles, CA
Author:  Clark Gillis
Categories:  Roster
Locomotives:  UP 6945(DDA40X)
Views:  463   Comments: 1
UP 6945 running a hotshot
Title:  UP 6945 running a hotshot
Description:  Blair Kooistra photo
Photo Date:  7/8/1984  Upload Date: 1/8/2025 10:21:52 PM
Location:  Cobb, ID
Author:  Blair Koostra
Categories:  Scenic,Action
Locomotives:  UP 6945(DDA40X) UP 2502(C30-7)
Views:  157   Comments: 1
UP 3798 West with centennial in consist
Title:  UP 3798 West with centennial in consist
Description:  Randy Curlin Collection
Photo Date:  12/10/1984  Upload Date: 10/27/2024 12:29:58 AM
Location:  Virgilia, CA
Author:  Randy Curlin Collection
Categories:  Action
Locomotives:  UP 3798(SD40-2) UP 6945(DDA40X) UP 3375(SD40-2)
Views:  156   Comments: 2
UP 6946
Title:  UP 6946
Description:  UP 6946 leads a westbound van train down Cajon Pass
Photo Date:  1/21/1978  Upload Date: 1/29/2011 1:44:04 PM
Location:  Cajon, CA
Author:  Ron Hawkins
Categories:  Action
Locomotives:  UP 6946(DDA40X)
Views:  979   Comments: 2
UP 6946
Title:  UP 6946
Description:  UP 6946 on the point of a classic DDA40X/SD40-2/DDA40X consist lifting an eastbound van train over Cajon Pass
Photo Date:  9/30/1978  Upload Date: 1/29/2011 1:45:00 PM
Location:  Cajon, CA
Author:  Ron Hawkins
Categories:  Action
Locomotives:  UP 6946(DDA40X)
Views:  1366   Comments: 1
UP 6946
Title:  UP 6946
Description:  UP 6946 lead a trio of CNW untis east on a rare rainy day on Cajon Pass
Photo Date:  11/10/1978  Upload Date: 1/29/2011 1:45:48 PM
Location:  Summit, CA
Author:  Ron Hawkins
Categories:  Action
Locomotives:  UP 6946(DDA40X)
Views:  882   Comments: 1
UP 6946
Title:  UP 6946
Description:  UP 6946 heads east along with a CNW SD45 and two CNW SD40-2s
Photo Date:  11/10/1978  Upload Date: 1/29/2011 1:46:19 PM
Location:  Summit, CA
Author:  Ron Hawkins
Categories:  Action
Locomotives:  UP 6946(DDA40X)
Views:  1032   Comments: 0
UP 6946 with another DDA40x and Sd-40 with westbound Piggyback train.
Title:  UP 6946 with another DDA40x and Sd-40 with westbound Piggyback train.
Description:  Common power for the hotter trains was 2 Centennials and 1 SD-40-2 during this time period. This unit is now on display at The Feather River Railroad Society museum in Portola Calif.
Photo Date:  7/22/1979  Upload Date: 8/10/2015 7:11:07 PM
Location:  Cajon Pass, CA
Author:  Clark Gillis
Categories:  Roster,Action
Locomotives:  UP 6946(DDA40X)
Views:  608   Comments: 0
UP #6946 & #951
Title:  UP #6946 & #951
Description:  Scanned with an Epson V550 from a 35mm slide, brand is unknown. Exact date is approximate.
Photo Date:  9/1/1979  Upload Date: 8/7/2016 9:19:59 PM
Location:  Cheyenne, WY
Author:  P. Bell/Paul Frantz Collection
Categories: 
Locomotives:  UP 6946(DDA40X) UP 951(E9A)
Views:  1585   Comments: 1
UP 6946
Title:  UP 6946
Description: 
Photo Date:  4/1/1983  Upload Date: 10/14/2017 8:00:54 PM
Location:  Portola, CA
Author:  Michael Cameron
Categories: 
Locomotives:  UP 6946(DDA40X)
Views:  565   Comments: 0
1353-27 UP 6946 at Western Pacific WP Railroad Museum
Title:  1353-27 UP 6946 at Western Pacific WP Railroad Museum
Description: 
Photo Date:  7/1/1985  Upload Date: 4/7/2008 8:41:16 PM
Location:  Portola, CA
Author:  John Hill
Categories:  Roster,Yard
Locomotives:  UP 6946(DDA40X)
Views:  1586   Comments: 2
1353-29 Western Pacific WP Railroad Museum
Title:  1353-29 Western Pacific WP Railroad Museum
Description: 
Photo Date:  7/1/1985  Upload Date: 4/7/2008 8:41:34 PM
Location:  Portola, CA
Author:  John Hill
Categories:  Roster,Yard
Locomotives:  UP 6946(DDA40X) WP 2001(GP20) WP 3051(U30B)
Views:  2440   Comments: 1
DDA40X UP 6946
Title:  DDA40X UP 6946
Description:  UP Centennial DDA40X 6946 at the Western Pacific Railroad Museum in Portola, CA
Photo Date:  4/9/1991  Upload Date: 5/25/2015 4:14:02 AM
Location:  Portola, CA
Author:  Steve McConnel
Categories:  Roster,Model
Locomotives:  UP 6946(DDA40X)
Views:  584   Comments: 0
UP 6946
Title:  UP 6946
Description: 
Photo Date:  10/25/2008  Upload Date: 11/16/2008 3:53:13 PM
Location:  Portola, CA
Author:  Kerry Klarr
Categories: 
Locomotives:  UP 6946(DDA40X)
Views:  677   Comments: 0
UP 6946
Title:  UP 6946
Description: 
Photo Date:  7/1/2010  Upload Date: 8/4/2014 1:50:22 PM
Location:  Portola, CA
Author:  Ewan Shortess
Categories:  Roster
Locomotives:  UP 6946(DDA40X)
Views:  415   Comments: 1
UP 6946
Title:  UP 6946
Description: 
Photo Date:  8/14/2010  Upload Date: 9/8/2010 8:00:04 AM
Location:  Portola, CA
Author:  Stephie Kolata
Categories: 
Locomotives:  UP 6946(DDA40X)
Views:  1480   Comments: 1
Me and DDA40X
Title:  Me and DDA40X
Description:  Me and DDM40X at Portola museum
Photo Date:  7/27/2011  Upload Date: 10/31/2012 5:23:18 PM
Location:  Portola, CA
Author:  Pedro Rezende
Categories:  Roster
Locomotives:  UP 6946(DDA40X)
Views:  844   Comments: 0
UP 6946
Title:  UP 6946
Description:  UP 6946 at Portola museum
Photo Date:  7/27/2011  Upload Date: 6/26/2012 6:50:19 PM
Location:  Portola, CA
Author:  Pedro Rezende
Categories:  Roster,Yard
Locomotives:  UP 6946(DDA40X)
Views:  629   Comments: 2
Switching the Centennial at Portola
Title:  Switching the Centennial at Portola
Description:  Union Pacific ES44AC #7861 switches the massive DDA40X, UP 6946, at the Western Pacific Railroad Museum in Portola, CA.
Photo Date:  8/19/2011  Upload Date: 1/16/2012 4:53:40 PM
Location:  Portola, CA
Author:  Jamie West
Categories:  Yard,Action
Locomotives:  UP 7681(AC45CCTE) UP 6946(DDA40X)
Views:  964   Comments: 1
Centennial at Portola
Title:  Centennial at Portola
Description:  Union Pacific DDA40X #6946 sits parked at the Western Pacific Railroad Museum in Portola, CA.
Photo Date:  8/19/2011  Upload Date: 1/20/2012 8:25:52 PM
Location:  Portola, CA
Author:  Jamie West
Categories:  Yard
Locomotives:  UP 6946(DDA40X)
Views:  858   Comments: 0
UP 6946 BEAST
Title:  UP 6946 BEAST
Description:  Finally got to see one of these monsters up close. Wish I could have seen them in action.
Photo Date:  7/25/2014  Upload Date: 8/15/2014 4:53:36 PM
Location:  Portola, CA
Author:  JASON GIFFORD
Categories:  Yard
Locomotives:  UP 6946(DDA40X)
Views:  453   Comments: 0
A look back in time
Title:  A look back in time
Description:  Looking out the engineers window of UP 6946 at some more classics at the Western Pacific Museum.
Photo Date:  7/25/2014  Upload Date: 8/15/2014 5:18:21 PM
Location:  Portola, CA
Author:  JASON GIFFORD
Categories:  Yard,Track
Locomotives:  WP 707(GP7) UP 6946(DDA40X)
Views:  634   Comments: 0
UP 6946
Title:  UP 6946
Description: 
Photo Date:  8/8/2014  Upload Date: 8/11/2014 2:35:31 PM
Location:  Portola, CA
Author:  Ben Margherone
Categories: 
Locomotives:  UP 6946(DDA40X)
Views:  659   Comments: 1
UP 6946
Title:  UP 6946
Description: 
Photo Date:  8/15/2015  Upload Date: 8/25/2015 4:33:19 PM
Location:  Portola, CA
Author:  Ben Margherone
Categories: 
Locomotives:  UP 6946(DDA40X)
Views:  649   Comments: 1

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