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5/9/2025
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Home > Union Pacific Railroad Company > Locomotives > EMD DDA40X > UP 6944
Pictures of UP 6944
 
Owner: Union Pacific Railroad Company
Model:EMD DDA40XBuilt As:UP 6944 (DDA40X)
Serial Number:35518Order No:7198
Frame Number:7198-20Built:8/1971
Notes:At St Louis County Museum Of Transportation
Other locos with this serial:  UP 6944(DDA40X) MOTX 6944(DDA40X)
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NS 34N with UP DDA40X
Title:  NS 34N with UP DDA40X
Description:  On Tuesday, July 15, 2014, an eastbound mixed freight passed through Salem, Ohio with a prison escapee in consist. Prison, in this case, can be defined as a museum. Escapee, in this case, can be defined as Union Pacific #6944, a DDA40X! Eastbound mixed freight train 34N held a part in the honor of moving this special locomotive from the National Museum of Transportation in St. Louis, Missouri to Altoona, Pennsylvania for cosmetic restoration. At 10:41am, eastbound mixed freight 34N, led by NS #6704 (SD60), NS #8793 (C40-9), BNSF #7496 (ES44DC), (Ex- UP) NS #6514 (SD60), NS #9353 (C40-9W), and MOTX/UP #6944 (DDA40X) passed milepost 70 on Norfolk Southerns Fort Wayne Line in Salem, Ohio. The DDA40X would later be put on the following days 10A to be taken to Juniata Locomotive Shop in Altoona.
Photo Date:  7/15/2014  Upload Date: 7/17/2014 10:56:55 PM
Location:  Salem, OH
Author:  Scott Williams
Categories:  Action
Locomotives:  NS 6704(SD60) NS 8793(C40-9) BNSF 7496(ES44DC) NS 6514(SD60) NS 9353(C40-9W) UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  694   Comments: 0
NS 34N with UP DDA40X
Title:  NS 34N with UP DDA40X
Description:  On Tuesday, July 15, 2014, an eastbound mixed freight passed through Salem, Ohio with a prison escapee in consist. Prison, in this case, can be defined as a museum. Escapee, in this case, can be defined as Union Pacific #6944, a DDA40X! Eastbound mixed freight train 34N held a part in the honor of moving this special locomotive from the National Museum of Transportation in St. Louis, Missouri to Altoona, Pennsylvania for cosmetic restoration. At 10:41am, eastbound mixed freight 34N, led by NS #6704 (SD60), NS #8793 (C40-9), BNSF #7496 (ES44DC), (Ex- UP) NS #6514 (SD60), NS #9353 (C40-9W), and MOTX/UP #6944 (DDA40X) passed milepost 70 on Norfolk Southerns Fort Wayne Line in Salem, Ohio. The DDA40X would later be put on the following days 10A to be taken to Juniata Locomotive Shop in Altoona.
Photo Date:  7/15/2014  Upload Date: 7/17/2014 11:00:28 PM
Location:  Salem, OH
Author:  Scott Williams
Categories:  Roster,Action
Locomotives:  UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  2049   Comments: 1
MOTX 6944
Title:  MOTX 6944
Description: 
Photo Date:  7/25/2014  Upload Date: 8/1/2014 4:46:33 PM
Location:  Altoona, PA
Author:  Chris Wallace
Categories: 
Locomotives:  MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  879   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  7/25/2014  Upload Date: 8/1/2014 4:47:48 PM
Location:  Altoona, PA
Author:  Chris Wallace
Categories: 
Locomotives:  UP 6944(DDA40X) NS 8921(C40-9W)
Views:  436   Comments: 0
UP DDA40X 6944
Title:  UP DDA40X 6944
Description:  Peeking its nose out of the shops in Juniata
Photo Date:  3/15/2015  Upload Date: 3/18/2015 12:47:30 PM
Location:  Altoona(Juniata), PA
Author:  Jacob Rink
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  423   Comments: 0
UP 6944
Title:  UP 6944
Description: 
Photo Date:  5/22/2015  Upload Date: 5/30/2015 12:50:43 PM
Location:  Altoona, PA
Author:  Chris Wallace
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  432   Comments: 0
DD40X
Title:  DD40X
Description:  Recently restored UP DD40X awaits return west
Photo Date:  5/22/2015  Upload Date: 5/25/2015 9:18:46 PM
Location:  Altoona, PA
Author:  Chris Rinaldi
Categories:  Roster
Locomotives:  UP 6944(DDA40X)
Views:  575   Comments: 0
NS 911
Title:  NS 911
Description:  Colorful array of units gather in JBS
Photo Date:  5/22/2015  Upload Date: 11/21/2015 10:01:40 AM
Location:  Altoona, PA
Author:  A Benedict
Categories:  Roster
Locomotives:  NS 911(SD60E) NS 649(Road Slug) NS 6920(SD60E) UP 6944(DDA40X)
Views:  1355   Comments: 1
UP 6944
Title:  UP 6944
Description: 
Photo Date:  5/23/2015  Upload Date: 7/18/2015 1:46:06 PM
Location:  Altoona, PA
Author:  Michael Rujak
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  221   Comments: 0
NS 35N with UP DDA40X
Title:  NS 35N with UP DDA40X
Description:  On Sunday, June 7, 2015, a westbound mixed freight passed through Leetonia, Ohio with a prison escapee in consist being returned back to the prison. Prison, in this case, can be defined as a museum. Escapee, in this case, can be defined as Union Pacific #6944, a DDA40X! Westbound mixed freight train 35N held a part in the honor of moving this special locomotive from Norfolk Southern's Juniata Shops in Altoona, Pennsylvania back to the National Museum of Transportation in St. Louis, Missouri after an amazing cosmetic restoration. At 6:08pm, westbound mixed freight 35N, led by NS #2600 (SD70M), NS #9568 (C40-9W), NS #9464 (C40-9W), and MOTX/UP #6944 (DDA40X) passed milepost 63.2 on Norfolk Southern's Fort Wayne Line in Leetonia, Ohio. The train is about to cross the Walnut Street grade crossing, which at the time was taken out of service after having new rail laid on track two. The crossing will be repaved in the next week or so.
Photo Date:  6/7/2015  Upload Date: 6/9/2015 11:42:27 PM
Location:  Leetonia, OH
Author:  Scott Williams
Categories:  Track,Action
Locomotives:  NS 2600(SD70M) NS 9568(C40-9W) NS 9464(C40-9W) MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  602   Comments: 1
NS 35N with UP DDA40X
Title:  NS 35N with UP DDA40X
Description:  On Sunday, June 7, 2015, a westbound mixed freight passed through Leetonia, Ohio with a prison escapee in consist being returned back to the prison. Prison, in this case, can be defined as a museum. Escapee, in this case, can be defined as Union Pacific #6944, a DDA40X! Westbound mixed freight train 35N held a part in the honor of moving this special locomotive from Norfolk Southerns Juniata Shops in Altoona, Pennsylvania back to the National Museum of Transportation in St. Louis, Missouri after an amazing cosmetic restoration. At 6:08pm, westbound mixed freight 35N, led by NS #2600 (SD70M), NS #9568 (C40-9W), NS #9464 (C40-9W), and MOTX/UP #6944 (DDA40X) passed milepost 63.2 on Norfolk Southerns Fort Wayne Line in Leetonia, Ohio. The train is about to cross the Walnut Street grade crossing, which at the time was taken out of service after having new rail laid on track two. The crossing will be repaved in the next week or so.
Photo Date:  6/7/2015  Upload Date: 6/9/2015 11:56:20 PM
Location:  Leetonia, OH
Author:  Scott Williams
Categories:  Roster,Action
Locomotives:  UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  1077   Comments: 2
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/7/2015  Upload Date: 6/7/2015 8:30:54 PM
Location:  Rootstown, OH
Author:  Fred Stuckmann
Categories:  Action
Locomotives:  UP 6944(DDA40X)
Views:  438   Comments: 8
And it all came down to this. Our last train of the day produced this winner.
Title:  And it all came down to this. Our last train of the day produced this winner.
Description:  A most profitable day indeed.
Photo Date:  6/7/2015  Upload Date: 6/19/2015 7:58:31 PM
Location:  Rootstown, OH
Author:  Fred Stuckmann
Categories:  Action
Locomotives:  UP 6944(DDA40X)
Views:  317   Comments: 6
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/7/2015  Upload Date: 6/7/2015 8:32:19 PM
Location:  Rootstown, OH
Author:  Fred Stuckmann
Categories:  Action
Locomotives:  UP 6944(DDA40X)
Views:  251   Comments: 0
NS 2600 Leads 35N with MOTX/UP 6944
Title:  NS 2600 Leads 35N with MOTX/UP 6944
Description:  NS 35N with UP DD40AX
Photo Date:  6/8/2015  Upload Date: 7/23/2015 2:39:30 PM
Location:  Homer, IL
Author:  Zachary Walters
Categories:  Roster,Action
Locomotives:  NS 2600(SD70M) NS 9568(C44-9W) NS 9464(C44-9W) UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  577   Comments: 0
MOTX/UP 6944
Title:  MOTX/UP 6944
Description: 
Photo Date:  6/8/2015  Upload Date: 7/23/2015 2:44:41 PM
Location:  Tolono, IL
Author:  Zachary Walters
Categories:  Roster,Action
Locomotives:  UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  624   Comments: 1
35N
Title:  35N
Description:  NS 35N, with a DDA40X in tow, sits on a sidetrack at Peru yard on a wet Monday morning.
Photo Date:  6/8/2015  Upload Date: 6/12/2015 11:52:30 AM
Location:  Peru, IN
Author:  Owen Fishback
Categories:  Yard
Locomotives:  NS 2600(SD70M) NS 9568(C40-9W) NS 9464(C40-9W) MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  502   Comments: 0
UP/MOTX 6944
Title:  UP/MOTX 6944
Description:  The DDA40X from the St. Louis Museum of Transportation is towed out of Peru yard on one of its final moves back home.
Photo Date:  6/8/2015  Upload Date: 6/12/2015 11:54:20 AM
Location:  Peru, IN
Author:  Owen Fishback
Categories:  Yard
Locomotives:  NS 9464(C40-9W) MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  479   Comments: 0
UP/MOTX 6944
Title:  UP/MOTX 6944
Description:  The DDA40X from the St. Louis Museum of Transportation is towed out of Peru yard on one of its final moves back home.
Photo Date:  6/8/2015  Upload Date: 6/12/2015 11:55:28 AM
Location:  Peru, IN
Author:  Owen Fishback
Categories:  Yard
Locomotives:  MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  485   Comments: 0
Pacing NS 35N
Title:  Pacing NS 35N
Description:  I paced 35N as it picked up speed on its way to the Clymers siding. This was on Old 24 just west of Peru.
Photo Date:  6/8/2015  Upload Date: 6/12/2015 11:56:49 AM
Location:  Peru, IN
Author:  Owen Fishback
Categories: 
Locomotives:  MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  321   Comments: 0
UP/MOTX 6944
Title:  UP/MOTX 6944
Description:  NS 35N leaving the Clymers siding
Photo Date:  6/8/2015  Upload Date: 6/12/2015 11:57:59 AM
Location:  Clymers, IN
Author:  Owen Fishback
Categories: 
Locomotives:  MOTX 6944(DDA40X) UP 6944(DDA40X)
Views:  552   Comments: 1
Well.....I got some of it........
Title:  Well.....I got some of it........
Description:  This is a long....long shot from the side of Hwy 3, the closest I was going to get to it, without a drone.....
Photo Date:  6/9/2015  Upload Date: 6/9/2015 8:04:29 PM
Location:  Venice, IL
Author:  Butch Getz
Categories:  Roster,Yard
Locomotives:  UP 6944(DDA40X) MOTX 6944(DDA40X)
Views:  756   Comments: 1
UP 6944 pan shot
Title:  UP 6944 pan shot
Description: 
Photo Date:  6/28/2015  Upload Date: 7/2/2015 5:58:21 PM
Location:  Saint Louis County, MO
Author:  Ryan Casey
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  425   Comments: 1
UP 6944 side shot
Title:  UP 6944 side shot
Description: 
Photo Date:  6/28/2015  Upload Date: 7/2/2015 6:11:34 PM
Location:  Saint Louis County, MO
Author:  Ryan Casey
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  452   Comments: 1
UP 6944 nose shot
Title:  UP 6944 nose shot
Description:  As part of an agreement between Norfolk Southern, the Museum of Transporation, and the Virginia Museum of Transportation in Roanoke, UP 6944, the last DDA40X diesel built was given a nice new paint job in exchange for leasing N&W Y6a loco #2156 to Roanoke for 5 years.
Photo Date:  6/28/2015  Upload Date: 7/2/2015 6:16:41 PM
Location:  Saint Louis County, MO
Author:  Ryan Casey
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  459   Comments: 1
UP 6944
Title:  UP 6944
Description: 
Photo Date:  6/28/2015  Upload Date: 7/2/2015 6:17:59 PM
Location:  Saint Louis County, MO
Author:  Ryan Casey
Categories: 
Locomotives:  UP 6944(DDA40X)
Views:  414   Comments: 1
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:  381   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:  230   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:  354   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:  352   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:  283   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:  469   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:  325   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:  326   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:  422   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:  369   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:  340   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:  309   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:  295   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:  135   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:  121   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:  105   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:  117   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:  208   Comments: 0

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