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1/12/2026
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Rebuilt EMD SD40NBuilt As:UP 8031 (SD40-2)
Serial Number:73661-29Order No:73661
Frame Number:73661-29Built:7/1974
Notes:nee UP 8031, 3271 re# 7/8/14
Other locos with this serial:  UP 3271(SD40-2) UP 8031(SD40-2) UP 1859(SD40N)
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UP 1859
Title:  UP 1859
Description:  According to the UP roster, this model is an SD40N. I read in some "railfan and railroad" magizines (2015) about the SD40-2s being upgraded into SD40N.
Photo Date:  11/6/2016  Upload Date: 12/7/2016 11:52:49 AM
Location:  Claremore, OK
Author:  Timothy Holliday
Categories: 
Locomotives:  UP 1859(SD40N)
Views:  609   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  4/24/2017  Upload Date: 4/25/2017 7:39:13 PM
Location:  Claremore, OK
Author:  Timothy Holliday
Categories: 
Locomotives:  UP 1859(SD40N)
Views:  600   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  4/24/2017  Upload Date: 4/25/2017 7:39:38 PM
Location:  Claremore, OK
Author:  Timothy Holliday
Categories: 
Locomotives:  UP 1859(SD40N)
Views:  591   Comments: 0
Union Pacific
Title:  Union Pacific
Description:  1859
Photo Date:  4/3/2019  Upload Date: 4/6/2019 7:10:49 PM
Location:  FORT WORTH DAVIDSON , TX
Author:  Mike Berka
Categories:  Roster
Locomotives:  UP 1859(SD40N)
Views:  567   Comments: 1
UP 1720 and UP 1859
Title:  UP 1720 and UP 1859
Description:  The Union Pacific Roanoke Roadswitcher shoves ten empty cement cars from local industry Texas Lehigh Cement Company onto eight cars pulled from industries in Denton, Texas. These cars are being positioned at the south end of Roanoke so that a southbound train can pick them up and take them to Fort Worth for classification. This move is an example of Union Pacific's implementation of the late E. Hunter Harrison's Precision Scheduled Railroading. The empty unit cement cars used to move in a unit train from Roanoke to a facility for loading. Now the cars are moved piecemeal in manifest service. I wonder how the hump at Davidson Yard is handling all of the extra carload business... UP SD40N 1720 and UP SD40N 1859 - Roanoke, Texas - 5-14-2019 - C.M.Palmieri Photo.
Photo Date:  5/14/2019  Upload Date: 5/14/2019 10:33:14 PM
Location:  Roanoke, TX
Author:  Christopher Palmieri
Categories:  Scenic,Action
Locomotives:  UP 1720(SD40N) UP 1859(SD40N)
Views:  763   Comments: 1
UP 1720 and UP 1859
Title:  UP 1720 and UP 1859
Description:  The Union Pacific Roanoke Roadswitcher shoves ten empty cement cars from local industry Texas Lehigh Cement Company onto eight cars pulled from industries in Denton, Texas. These cars are being positioned at the south end of Roanoke so that a southbound train can pick them up and take them to Fort Worth for classification. UP SD40N 1720 and UP SD40N 1859 - Roanoke, Texas - 5-14-2019 - C.M.Palmieri Photo.
Photo Date:  5/14/2019  Upload Date: 5/16/2019 9:03:40 PM
Location:  Roanoke, TX
Author:  Christopher Palmieri
Categories:  Scenic,Action
Locomotives:  UP 1720(SD40N) UP 1859(SD40N)
Views:  697   Comments: 2
UP 1859
Title:  UP 1859
Description:  Having finished the day's work, the Union Pacific Roanoke Roadswitcher heads for their usual tie-up location across from Reno Red's Restaurant - UP SD40N 1859 and UP SD40N 1720 - Roanoke, Texas - 5-14-2019 - C.M.Palmieri Photo.
Photo Date:  5/14/2019  Upload Date: 5/16/2019 9:13:40 PM
Location:  Roanoke, TX
Author:  Christopher Palmieri
Categories:  Roster,Track
Locomotives:  UP 1859(SD40N)
Views:  601   Comments: 1
UP 1859 and UP 1720
Title:  UP 1859 and UP 1720
Description:  Having finished the day's work, the Union Pacific Roanoke Roadswitcher heads for their usual tie-up location across from Reno Red's Restaurant - UP SD40N 1859 and UP SD40N 1720 - Roanoke, Texas - 5-14-2019 - C.M.Palmieri Photo.
Photo Date:  5/14/2019  Upload Date: 5/14/2019 11:01:42 PM
Location:  Roanoke, TX
Author:  Christopher Palmieri
Categories:  Roster,Scenic,Action
Locomotives:  UP 1859(SD40N) UP 1720(SD40N)
Views:  811   Comments: 1
UP 1859
Title:  UP 1859
Description:  A UP local switches the cement plant in Hunter
Photo Date:  10/20/2022  Upload Date: 1/13/2025 12:47:22 AM
Location:  Hunter, TX
Author:  judah rice
Categories: 
Locomotives:  UP 1859(SD40N)
Views:  539   Comments: 0
UP 1880
Title:  UP 1880
Description: 
Photo Date:  10/20/2022  Upload Date: 1/13/2025 12:27:32 PM
Location:  New Braunfels, TX
Author:  judah rice
Categories: 
Locomotives:  UP 1880(SD40N) UP 1859(SD40N)
Views:  569   Comments: 0
UP 1859
Title:  UP 1859
Description:  UP's LAF-28 heads south through Hunter
Photo Date:  10/20/2022  Upload Date: 1/13/2025 12:27:57 PM
Location:  Hunter, TX
Author:  judah rice
Categories: 
Locomotives:  UP 1859(SD40N) UP 1880(SD40N)
Views:  543   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  10/20/2022  Upload Date: 3/25/2025 11:58:18 AM
Location:  Hunter, TX
Author:  atx railfan
Categories:  Roster
Locomotives:  UP 1859(SD40N)
Views:  421   Comments: 0
UP 1509
Title:  UP 1509
Description:  Two sets of local power sit in the yard in downtown New Braunfels. At this time, both the LAF-23 and LAF-28 were based out of New Braunfels. As of 2025, the LAF-28 is now based out of San Marcos and the LAF-23 only runs with one unit.
Photo Date:  2/11/2023  Upload Date: 1/13/2025 12:40:41 PM
Location:  New Braunfels, TX
Author:  judah rice
Categories: 
Locomotives:  UP 1509(GP40M-2) UP 1087(GP38-2) UP 1880(SD40N) UP 1859(SD40N)
Views:  781   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  2/11/2023  Upload Date: 3/24/2025 3:41:07 AM
Location:  New Braunfels, TX
Author:  atx railfan
Categories: 
Locomotives:  UP 1859(SD40N) UP 1880(SD40N)
Views:  436   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  2/11/2023  Upload Date: 4/13/2025 10:09:03 PM
Location:  New Braunfels, TX
Author:  ATX Railfan
Categories:  Roster,Yard
Locomotives:  UP 1859(SD40N)
Views:  497   Comments: 0
UP 4991
Title:  UP 4991
Description:  The LAF-28 runs south through Kyle, having finished up its work in Buda
Photo Date:  5/3/2023  Upload Date: 1/13/2025 12:48:15 PM
Location:  Kyle, TX
Author:  judah rice
Categories: 
Locomotives:  UP 4991(SD70M) UP 1859(SD40N)
Views:  495   Comments: 0
UP 1859
Title:  UP 1859
Description:  The LAF-28 returns south to San Marcos
Photo Date:  5/3/2023  Upload Date: 1/13/2025 12:52:13 AM
Location:  San Marcos, TX
Author:  judah rice
Categories: 
Locomotives:  UP 1859(SD40N)
Views:  487   Comments: 0
UP 1859
Title:  UP 1859
Description: 
Photo Date:  6/4/2023  Upload Date: 8/10/2023 5:59:07 PM
Location:  Kyle, TX
Author:  judah rice
Categories:  Roster
Locomotives:  UP 1859(SD40N)
Views:  610   Comments: 0


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