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11/5/2025
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Home > DYRX > Locomotives > EMD SDP40F > DYRX 644
Pictures of DYRX 644
 
Owner: DYRX
Model:EMD SDP40FBuilt As:AMTK 644 (SDP40F)
Serial Number:74611-65Order No:74611
Frame Number:74611-65Built:8/1974
Notes:Maersk Sealand Unit, ex DLMX, ex NRMX, ex BNSF, ex ATSF, nee AMTK, to NSRM.
Other locos with this serial:  BNSF 6976(SDF40-2) ATSF 5266(SDF40-2) DYRX 6976(SDF40-2) AMTK 644(SDP40F) DLMX 644(SDP40F) DYRX 644(SDP40F) IRMX 6976(SDP40F)
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DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  3/7/2015  Upload Date: 3/11/2015 9:09:22 PM
Location:  Ogden, UT
Author:  Northern Snowman
Categories:  Roster,Station
Locomotives:  DYRX 644(SDP40F)
Views:  729   Comments: 0
Portland's Boys at a New Home
Title:  Portland's Boys at a New Home
Description:  Although I am still confused as to why these trains made it to Utah, their future seems promising. Seems the museum wants to make use of their Amtrak heritage, and there are plans for future service.
Photo Date:  7/30/2015  Upload Date: 7/30/2015 9:24:02 PM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F) DYRX 231(F40PHR)
Views:  1947   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  8/4/2015  Upload Date: 8/18/2015 5:52:09 AM
Location:  Ogden, UT
Author:  JIM HERINGER
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  1381   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  11/5/2015  Upload Date: 11/15/2015 1:25:45 AM
Location:  Ogden, UT
Author:  Bob Keenan
Categories:  Roster
Locomotives:  DYRX 644(SDP40F)
Views:  503   Comments: 1
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:40:42 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster
Locomotives:  DYRX 644(SDP40F)
Views:  605   Comments: 2
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:41:00 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Yard
Locomotives:  DYRX 644(SDP40F)
Views:  545   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:41:31 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster,Scenic,Yard
Locomotives:  DYRX 644(SDP40F) DYRX 231(F40PHR)
Views:  743   Comments: 1
DYRX 644, DYRX 231
Title:  DYRX 644, DYRX 231
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:42:00 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster,Scenic,Yard
Locomotives:  DYRX 644(SDP40F) DYRX 231(F40PHR)
Views:  809   Comments: 2
DYRX 644, DYRX 231
Title:  DYRX 644, DYRX 231
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:42:26 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster,Scenic,Yard
Locomotives:  DYRX 644(SDP40F) DYRX 231(F40PHR)
Views:  819   Comments: 3
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:42:51 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster,Yard
Locomotives:  DYRX 644(SDP40F)
Views:  641   Comments: 2
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/2/2016  Upload Date: 4/21/2019 11:45:39 PM
Location:  Ogden, UT
Author:  Greenwood Champ
Categories:  Roster,Yard
Locomotives:  DYRX 644(SDP40F)
Views:  588   Comments: 2
DYRX 231
Title:  DYRX 231
Description:  DYRX 231, an F40PHR, and DYRX 644, the last surviving SDP40F, sit in the shade at the Utah State Railroad museum. The units have since been set to Boulder City, Nevada, as part of the Nevada Southern Railway.
Photo Date:  6/25/2016  Upload Date: 11/1/2020 11:28:06 AM
Location:  Ogden, UT
Author:  A. Connor
Categories:  Roster,Station,Passenger
Locomotives:  DYRX 231(F40PHR) DYRX 644(SDP40F)
Views:  193   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  10/7/2016  Upload Date: 11/6/2016 10:07:24 AM
Location:  Ogden, UT
Author:  Matthew Liptak
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  753   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  10/7/2016  Upload Date: 11/6/2016 10:09:43 AM
Location:  Ogden, UT
Author:  Matthew Liptak
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  630   Comments: 1
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  10/7/2016  Upload Date: 11/6/2016 10:10:34 AM
Location:  Ogden, UT
Author:  Matthew Liptak
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  506   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  10/7/2016  Upload Date: 11/6/2016 10:11:38 AM
Location:  Ogden, UT
Author:  Matthew Liptak
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  499   Comments: 0
A GM D77 traction motor
Title:  A GM D77 traction motor
Description: 
Photo Date:  10/7/2016  Upload Date: 11/6/2016 10:14:04 AM
Location:  Ogden, UT
Author:  Matthew Liptak
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  1081   Comments: 0
Opening up DYRX 644
Title:  Opening up DYRX 644
Description:  Chris opens up his Maersk unit for the railfans at the Hostlers festival.
Photo Date:  3/4/2017  Upload Date: 4/18/2017 8:22:18 PM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  619   Comments: 0
644 Control Stand
Title:  644 Control Stand
Description: 
Photo Date:  3/4/2017  Upload Date: 4/18/2017 8:26:12 PM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  662   Comments: 0
Cab View from the 644
Title:  Cab View from the 644
Description: 
Photo Date:  3/4/2017  Upload Date: 4/18/2017 8:23:12 PM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  612   Comments: 0
Josh Admiring the Frontrunner line from inside the 644
Title:  Josh Admiring the Frontrunner line from inside the 644
Description: 
Photo Date:  3/4/2017  Upload Date: 4/18/2017 8:27:14 PM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  579   Comments: 0
644 Front
Title:  644 Front
Description: 
Photo Date:  3/4/2017  Upload Date: 3/4/2017 12:00:00 AM
Location:  Ogden, UT
Author:  Jacob Lyman
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  644   Comments: 1
DYRX 644
Title:  DYRX 644
Description:  Maserk paint
Photo Date:  5/29/2017  Upload Date: 6/5/2017 7:40:53 PM
Location:  Ogden, UT
Author:  Kevin Painter
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  630   Comments: 0
DYRX SDP40F #644
Title:  DYRX SDP40F #644
Description: 
Photo Date:  5/31/2017  Upload Date: 6/14/2017 4:33:08 PM
Location:  Ogden, UT
Author:  Andrew Severt
Categories: 
Locomotives:  DYRX 644(SDP40F)
Views:  923   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  8/10/2017  Upload Date: 10/2/2017 5:02:15 PM
Location:  Ogden, UT
Author:  Nicholas Katz
Categories:  Roster,RollingStock,Yard,Station,Passenger,Track
Locomotives:  DYRX 644(SDP40F)
Views:  862   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  8/10/2017  Upload Date: 10/2/2017 5:00:53 PM
Location:  Ogden, UT
Author:  Nicholas Katz
Categories:  Roster,RollingStock,Yard,Station,Passenger,Track
Locomotives:  DYRX 644(SDP40F)
Views:  1005   Comments: 0
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  1/4/2019  Upload Date: 6/18/2019 3:52:28 PM
Location:  Las Vegas, NV
Author:  Karl Andraschko
Categories:  Action
Locomotives:  DYRX 644(SDP40F)
Views:  837   Comments: 1
DYRX 644
Title:  DYRX 644
Description: 
Photo Date:  5/18/2019  Upload Date: 5/18/2019 1:28:16 AM
Location:  Ogden, UT
Author:  Bob Keenan
Categories:  Roster
Locomotives:  DYRX 644(SDP40F)
Views:  723   Comments: 2
Ex Santa Fe SDF40-2 in Nevada
Title:  Ex Santa Fe SDF40-2 in Nevada
Description:  DYRX 644 Ex BNSF 6976, Ex ATSF 5266, Ex AMTK 644 is in the process of being returned to operation and being renumbered back to its 6976 number. the Engine still wears its Blue MAERSK Paint from its Promotional use days before retirement. This Engine was originally in Portland But then went to Ogden, UT then Nevada to Be Part of the Nevada Southern Railway
Photo Date:  5/25/2019  Upload Date: 1/29/2025 12:30:52 AM
Location:  Boulder City, NV
Author:  Ryan Hahn
Categories:  Roster
Locomotives:  DYRX 644(SDP40F)
Views:  594   Comments: 0

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