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4/28/2024
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Alco 4-8-8-4Built As:UP 4012 (4-8-8-4)
Serial Number:69583Order No:S-1844
Frame Number:23¾X32 cylinders, 68" driversBuilt:8/1941
Notes:Schenectady 08/1941, retired 02/62, donated 08/64 to Steamtown
Other locos with this serial:  UP 4012(4-8-8-4)
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UP 4012 & Mitch Goldman
Title:  UP 4012 & Mitch Goldman
Description: 
Photo Date:  11/12/2016  Upload Date: 11/13/2016 9:24:57 AM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  148   Comments: 2
UP 4012
Title:  UP 4012
Description:  Have a friend who calls railfans squirrels, maybe he's onto something??
Photo Date:  11/12/2016  Upload Date: 11/13/2016 9:25:04 AM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  165   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  4/30/2017  Upload Date: 3/25/2020 9:53:44 PM
Location:  Scranton, PA
Author:  Adam Finger
Categories:  Roster
Locomotives:  UP 4012(4-8-8-4)
Views:  125   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/1/2017  Upload Date: 3/26/2020 7:50:59 PM
Location:  Scranton, PA
Author:  Adam Finger
Categories:  Roster
Locomotives:  UP 4012(4-8-8-4)
Views:  171   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  6/24/2017  Upload Date: 7/8/2017 11:18:15 PM
Location:  Scranton, PA
Author:  Seth Lakin
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  258   Comments: 0
UP 4012
Title:  UP 4012
Description:  Union Pacific 4012: 4-8-8-4, Builder: American Locomotive Works (Schenectady, NY) November 1941. Built for the Union Pacific Railroad as one of twenty-five 4-8-8-4 "Big Boy" steam locomotives ordered by the UP to haul heavy freight across the Continental Divide.
Photo Date:  5/15/2019  Upload Date: 6/5/2019 10:01:49 PM
Location:  Scranton, PA
Author:  Neil Barratt
Categories:  Roster,Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  415   Comments: 1
The Big Boy
Title:  The Big Boy
Description:  Large and in charge
Photo Date:  5/28/2019  Upload Date: 8/17/2019 9:40:11 PM
Location:  Scranton, PA
Author:  Jonathan Hinely
Categories:  Roster,RollingStock,Steam,Action
Locomotives:  UP 4012(4-8-8-4)
Views:  327   Comments: 1
Steamtowns Yard
Title:  Steamtowns Yard
Description:  Such a cool place
Photo Date:  5/28/2019  Upload Date: 8/17/2019 9:41:20 PM
Location:  Scranton, PA
Author:  Jonathan Hinely
Categories:  Roster,RollingStock,Steam,Action
Locomotives:  UP 4012(4-8-8-4) CN 47(4-6-4)
Views:  319   Comments: 0
Union Pacific 4012 pre-restoration
Title:  Union Pacific 4012 pre-restoration
Description:  One of the only remaining Big Boy locomotives is seen very far from its native rails. It is currently being restored.
Photo Date:  8/13/2019  Upload Date: 6/5/2020 12:15:56 AM
Location:  Scranton, PA
Author:  Anthony Zinskie
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  272   Comments: 0
Broadside view of UP 4012
Title:  Broadside view of UP 4012
Description:  The massive Big Boy is seen here from the yard.
Photo Date:  8/13/2019  Upload Date: 6/5/2020 1:42:51 PM
Location:  Scranton, PA
Author:  Anthony Zinskie
Categories:  Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  358   Comments: 0
UP 4012 recently cosmetically restored by Steamtown NHP is displaced at the park entrance on a curved section of track
Title:  UP 4012 recently cosmetically restored by Steamtown NHP is displaced at the park entrance on a curved section of track
Description:  Curved track display allows visitors to see the articulation between drive wheel sets, and the yaw of the boiler/smokebox on a curve.
Photo Date:  5/22/2021  Upload Date: 5/22/2021 2:45:55 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  681   Comments: 2
Steamtown NHP's Big Boy; UP 4012 in profile
Title:  Steamtown NHP's Big Boy; UP 4012 in profile
Description: 
Photo Date:  5/22/2021  Upload Date: 5/22/2021 2:47:26 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  276   Comments: 1
Displayed on a curved section of track which shows off the boiler/smokebox yaw (lateral offset)  on this steam giant
Title:  Displayed on a curved section of track which shows off the boiler/smokebox yaw (lateral offset) on this steam giant
Description: 
Photo Date:  5/22/2021  Upload Date: 5/22/2021 2:46:43 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  209   Comments: 1
Union Pacific
Title:  Union Pacific
Description:  Big Boy
Photo Date:  6/18/2021  Upload Date: 7/18/2021 8:31:35 PM
Location:  Scranton, PA
Author:  Jonathan Hinely
Categories:  Roster,RollingStock,Steam,Action
Locomotives:  UP 4012(4-8-8-4)
Views:  224   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  6/23/2021  Upload Date: 7/14/2021 12:29:57 AM
Location:  Scranton, PA
Author:  Matt Petersen
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  96   Comments: 0
UP 4012
Title:  UP 4012
Description:  This is the 3rd Big Boy I've seen and they always amaze me
Photo Date:  6/23/2021  Upload Date: 7/15/2021 12:14:17 PM
Location:  Scranton, PA
Author:  Nathan Petersen
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  152   Comments: 0
UP 4012
Title:  UP 4012
Description:  Looks great after restoration!
Photo Date:  9/28/2021  Upload Date: 10/4/2021 9:08:19 PM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  152   Comments: 2
UP 4012
Title:  UP 4012
Description:  Shot with iPhone camera, dark on this side that day.
Photo Date:  9/28/2021  Upload Date: 10/4/2021 9:08:31 PM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  157   Comments: 2
UP 4012
Title:  UP 4012
Description:  Shot with iPhone camera.
Photo Date:  9/28/2021  Upload Date: 10/4/2021 9:08:40 PM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  238   Comments: 2
UP 4012
Title:  UP 4012
Description:  The largest of Alco power, beautifully restored UP Big Boy #4012 on display.
Photo Date:  5/25/2023  Upload Date: 6/5/2023 10:43:27 AM
Location:  Scranton, PA
Author:  Nicholas Dixon
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  71   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/25/2023  Upload Date: 6/5/2023 10:43:51 AM
Location:  Scranton, PA
Author:  Nicholas Dixon
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  68   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/27/2023  Upload Date: 5/29/2023 10:57:06 AM
Location:  Scranton, PA
Author:  Kevin Painter
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  50   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/27/2023  Upload Date: 5/29/2023 10:57:47 AM
Location:  Scranton, PA
Author:  Kevin Painter
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  61   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/27/2023  Upload Date: 5/29/2023 10:57:28 AM
Location:  Scranton, PA
Author:  Kevin Painter
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  62   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  5/27/2023  Upload Date: 5/29/2023 10:57:51 AM
Location:  Scranton, PA
Author:  Kevin Painter
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  69   Comments: 0
UP 4012 tender
Title:  UP 4012 tender
Description: 
Photo Date:  5/27/2023  Upload Date: 5/29/2023 10:57:42 AM
Location:  Scranton, PA
Author:  Kevin Painter
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  54   Comments: 0
Backhead - Engineer's side of the UP Big Boy at Steamtown
Title:  Backhead - Engineer's side of the UP Big Boy at Steamtown
Description:  New visitor feature this year is a set of stairs that allows park visitors to climb up into the cab
Photo Date:  6/9/2023  Upload Date: 6/11/2023 10:05:42 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  InCab
Locomotives:  UP 4012(4-8-8-4)
Views:  66   Comments: 0
UP X4012
Title:  UP X4012
Description: 
Photo Date:  6/9/2023  Upload Date: 6/26/2023 11:53:05 PM
Location:  Scranton, PA
Author:  Ted Krug
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  71   Comments: 0
UP X4012
Title:  UP X4012
Description: 
Photo Date:  6/9/2023  Upload Date: 6/26/2023 11:53:24 PM
Location:  Scranton, PA
Author:  Ted Krug
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  68   Comments: 2
UP 4012
Title:  UP 4012
Description: 
Photo Date:  8/19/2023  Upload Date: 8/21/2023 5:20:25 PM
Location:  Scranton, PA
Author:  Mark McCabe
Categories:  Roster,Model,Steam,Action
Locomotives:  UP 4012(4-8-8-4)
Views:  50   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  8/19/2023  Upload Date: 8/21/2023 5:21:58 PM
Location:  Scranton, PA
Author:  Mark McCabe
Categories:  Roster,Model,Steam,Action
Locomotives:  UP 4012(4-8-8-4)
Views:  87   Comments: 1
UP 4012 Big Boy in late afternoon light at Steamtown NHS
Title:  UP 4012 Big Boy in late afternoon light at Steamtown NHS
Description: 
Photo Date:  11/10/2023  Upload Date: 11/14/2023 2:22:16 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  55   Comments: 0
UP 4012 front end view in late afternoon light at Steamtown NHS
Title:  UP 4012 front end view in late afternoon light at Steamtown NHS
Description:  I liked that Steamtown positioned their Big Boy on a section of curved track to show off the articulation between the boiler/smokebox barrel and the frame.
Photo Date:  11/10/2023  Upload Date: 11/14/2023 2:26:01 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  50   Comments: 1
UP 4012 at Steamtown National Historic Site
Title:  UP 4012 at Steamtown National Historic Site
Description: 
Photo Date:  11/10/2023  Upload Date: 11/14/2023 2:37:52 PM
Location:  Scranton, PA
Author:  Bob Krug
Categories:  Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  44   Comments: 0


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