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3/18/2025
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Home > Union Pacific Railroad Company > Locomotives > Alco 4-8-8-4 > UP 4012
Pictures of UP 4012
 
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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The Big Boy
Title:  The Big Boy
Description: 
Photo Date:  5/14/2015  Upload Date: 8/7/2015 4:18:19 PM
Location:  Scranton, PA
Author:  Pamela Lewis
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  290   Comments: 0
Union Pacific 4012
Title:  Union Pacific 4012
Description:  4012 At Steamtown PA.
Photo Date:  5/15/2015  Upload Date: 12/22/2015 12:38:17 PM
Location:  Scranton, PA
Author:  Cory Cromwell
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  1126   Comments: 5
Big Boy 4012.
Title:  Big Boy 4012.
Description: 
Photo Date:  5/16/2015  Upload Date: 12/23/2015 12:03:34 AM
Location:  Scranton, PA
Author:  Cory Cromwell
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  178   Comments: 1
Wish You Were Not Here...
Title:  Wish You Were Not Here...
Description:  Although Steamtown was a nice museum to visit, seeing this Big Boy taking on rust in humid Pennsylvania; makes me think how nice it would look under the roof at Ogden Utahs Union Station. I guess you could say... #FarFromHome for this Big Boy.
Photo Date:  7/17/2015  Upload Date: 7/23/2015 9:57:11 AM
Location:  Scranton, PA
Author:  Jacob Lyman
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  463   Comments: 1
UP X4012
Title:  UP X4012
Description:  The mighty Big Boy sits on display at Steamtown in Scranton. This is the second Big Boy that I have seen
Photo Date:  7/20/2015  Upload Date: 5/13/2016 9:50:38 PM
Location:  Scranton, PA
Author:  Jacob Werling
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  167   Comments: 1
UP X4012 and CN 47
Title:  UP X4012 and CN 47
Description:  UP X4012 with CN 47 in the background
Photo Date:  7/20/2015  Upload Date: 5/13/2016 9:54:31 PM
Location:  Scranton, PA
Author:  Jacob Werling
Categories: 
Locomotives:  UP 4012(4-8-8-4) CN 47(4-6-4)
Views:  209   Comments: 0
UP X4012
Title:  UP X4012
Description:  Another shot of this mighty steam loco
Photo Date:  7/20/2015  Upload Date: 5/13/2016 9:55:53 PM
Location:  Scranton, PA
Author:  Jacob Werling
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  159   Comments: 0
UP 4012
Title:  UP 4012
Description:  A black and white shot of the giant beast
Photo Date:  7/20/2015  Upload Date: 3/17/2017 10:08:51 PM
Location:  Scranton, PA
Author:  Jacob Werling
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  112   Comments: 0
Big Boy, needs a little paint
Title:  Big Boy, needs a little paint
Description:  UP 4012, paint peeling off the boiler and tender, sits on display between the parking lot and visitor center at Steamtown. Cant miss it!!
Photo Date:  8/20/2015  Upload Date: 9/28/2015 2:38:55 AM
Location:  Scranton, PA
Author:  Tom Beckett
Categories:  Roster,Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  189   Comments: 0
Lots of Action at Steamtown
Title:  Lots of Action at Steamtown
Description: 
Photo Date:  9/5/2015  Upload Date: 9/6/2015 9:33:09 PM
Location:  Scranton, PA
Author:  Jacob Rink
Categories: 
Locomotives:  NKP 759(2-8-4) DLW 664(F3A) UP 4012(4-8-8-4) CN 47(4-6-4) CNJ 1554(RS3)
Views:  498   Comments: 1
Railfest Lineup
Title:  Railfest Lineup
Description:  6 different trains on 6 different tracks at Steamtown
Photo Date:  9/5/2015  Upload Date: 9/6/2015 10:26:23 PM
Location:  Scranton, PA
Author:  Jacob Rink
Categories: 
Locomotives:  DL 405(C420) CN 47(4-6-4) LV 414(C420) DLW 663(F3A) DLW 426(SC) UP 4012(4-8-8-4)
Views:  415   Comments: 0
Big Boy and DL&W F3s
Title:  Big Boy and DL&W F3s
Description:  The DL&W F3 set and the Union Pacific "Big Boy".
Photo Date:  9/5/2015  Upload Date: 4/26/2016 10:51:36 PM
Location:  Scranton, PA
Author:  Stephen Bradley
Categories:  Yard
Locomotives:  UP 4012(4-8-8-4) DLW 663(F3A)
Views:  184   Comments: 1
Railfest is jam-packed with equipment
Title:  Railfest is jam-packed with equipment
Description:  In all my years attending Railfest, this year, Steamtown had more power on line than I have ever seen! The railyard was PACKEd with stuff, and there were trains rolling all over. What a great event! So glad to see this great park starting to come back to life!!!
Photo Date:  9/5/2015  Upload Date: 9/11/2015 9:08:34 PM
Location:  Scranton, PA
Author:  Jeff Wilson
Categories:  Roster,Yard
Locomotives:  NKP 759(2-8-4) UP 4012(4-8-8-4) DLW 664(F3A) DLW 664B(F7B) DLW 663(F3A) DL 405(C420) DL 4118(RS3) LV 414(C420) NS 2654(SD70M-2) NKP 759(2-8-4) UP 4012(4-8-8-4) DL 405(C420) DLW 664(F3A) DLW 663(F3A) DLW 664B(F7B) LV 414(C420) DL 4118(RS3) NS 2654(SD70M-2) RDG 467(RS3) DL 4103(RS3)
Views:  710   Comments: 0
..and it would have looked like this...
Title:  ..and it would have looked like this...
Description:  Black & white makes this shot look like old-time Scranton...
Photo Date:  9/5/2015  Upload Date: 9/11/2015 9:23:48 PM
Location:  Scranton, PA
Author:  Jeff Wilson
Categories:  Yard,Steam,Action
Locomotives:  NKP 765(2-8-4) DLW 664(F3A) DLW 664B(F7B) UP 4012(4-8-8-4)
Views:  581   Comments: 0
Roster Shot of UP 4012 During Steamtown 2015
Title:  Roster Shot of UP 4012 During Steamtown 2015
Description:  The massive Union Pacific Big Boy number 4012 sits on display for cab tours during Steamtown 2015.
Photo Date:  9/6/2015  Upload Date: 9/13/2015 4:50:16 PM
Location:  Scranton, PA
Author:  Dan Glatiotis
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  192   Comments: 0
UP 4012
Title:  UP 4012
Description:  Union Pacific Big Boy 4012 sits quietly outside at Steamtown National Historic Site.
Photo Date:  9/6/2015  Upload Date: 10/8/2015 9:34:49 PM
Location:  Scranton, PA
Author:  David Balko
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  238   Comments: 2
UP X4012
Title:  UP X4012
Description: 
Photo Date:  5/1/2016  Upload Date: 5/9/2016 11:00:00 PM
Location:  Scranton, PA
Author:  Bob Keenan
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  183   Comments: 1
UP X4012
Title:  UP X4012
Description: 
Photo Date:  5/1/2016  Upload Date: 5/9/2016 10:58:53 PM
Location:  Scranton, PA
Author:  Bob Keenan
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  157   Comments: 1
UP 4012
Title:  UP 4012
Description: 
Photo Date:  10/1/2016  Upload Date: 4/15/2017 8:01:30 PM
Location:  Scranton, PA
Author:  Jon Hall
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  188   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  10/1/2016  Upload Date: 4/15/2017 8:02:14 PM
Location:  Scranton, PA
Author:  Jon Hall
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  156   Comments: 0
DLW 664 sits among various equipment at Steamtown
Title:  DLW 664 sits among various equipment at Steamtown
Description: 
Photo Date:  10/1/2016  Upload Date: 4/15/2017 8:05:56 PM
Location:  Scranton, PA
Author:  Jon Hall
Categories: 
Locomotives:  DLW 664(F3A) UP 4012(4-8-8-4)
Views:  152   Comments: 0
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:  199   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:  214   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:  234   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:  302   Comments: 0
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:  382   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:  403   Comments: 0
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:  318   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:  149   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:  205   Comments: 0
UP 4012
Title:  UP 4012
Description:  All about UP 4012 at Steamtown
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:39:55 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  30   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:40:39 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  37   Comments: 0
UP 4012 Shield
Title:  UP 4012 Shield
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:41:20 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  33   Comments: 0
UP 4012 Profile
Title:  UP 4012 Profile
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:42:14 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  29   Comments: 0
UP 4012 Builders Plate
Title:  UP 4012 Builders Plate
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:42:47 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  36   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:43:25 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  30   Comments: 0
UP 4012 Tender
Title:  UP 4012 Tender
Description: 
Photo Date:  3/18/2022  Upload Date: 2/24/2025 7:43:53 PM
Location:  Scranton, PA
Author:  Harry Warren
Categories:  Roster,Scenic,RollingStock,Yard,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  27   Comments: 0
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:  138   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:  146   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:  71   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:  123   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:  124   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:  134   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:  122   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:  127   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:  131   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:  135   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:  114   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:  139   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:  141   Comments: 0

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