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4/25/2024
 
 
 
 
 
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 and the ALCOs
Title:  UP 4012 and the ALCOs
Description: 
Photo Date:  4/15/2012  Upload Date: 6/12/2012 8:25:36 PM
Location:  Scranton, PA
Author:  Selkirk Sub Rail Photography
Categories:  Yard
Locomotives:  UP 4012(4-8-8-4)
Views:  158   Comments: 0
Big Boy Panorama
Title:  Big Boy Panorama
Description: 
Photo Date:  4/15/2012  Upload Date: 6/12/2012 8:31:00 PM
Location:  Scranton, PA
Author:  Selkirk Sub Rail Photography
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  189   Comments: 0
UP 4012 Big Boy
Title:  UP 4012 Big Boy
Description: 
Photo Date:  4/15/2012  Upload Date: 6/12/2012 8:31:32 PM
Location:  Scranton, PA
Author:  Selkirk Sub Rail Photography
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  190   Comments: 0
The Big Boy
Title:  The Big Boy
Description: 
Photo Date:  4/15/2012  Upload Date: 6/12/2012 8:32:27 PM
Location:  Scranton, PA
Author:  Selkirk Sub Rail Photography
Categories:  Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  177   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  4/15/2012  Upload Date: 6/12/2012 8:33:10 PM
Location:  Scranton, PA
Author:  Selkirk Sub Rail Photography
Categories:  Yard
Locomotives:  UP 4012(4-8-8-4)
Views:  166   Comments: 0
UP 4012
Title:  UP 4012
Description:  Good light, nothing in front.
Photo Date:  6/30/2012  Upload Date: 7/1/2012 12:43:56 AM
Location:  Scranton, PA
Author:  Tim Darnell
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  247   Comments: 4
Big Boy #4012
Title:  Big Boy #4012
Description: 
Photo Date:  7/7/2012  Upload Date: 8/12/2014 2:44:15 PM
Location:  Scranton, PA
Author:  Pamela Lewis
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  117   Comments: 0
Big Boy #4012 and DL&W 663
Title:  Big Boy #4012 and DL&W 663
Description: 
Photo Date:  7/7/2012  Upload Date: 8/12/2014 2:46:24 PM
Location:  Scranton, PA
Author:  Pamela Lewis
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  116   Comments: 0
Big Boy #4012 Standing Tall
Title:  Big Boy #4012 Standing Tall
Description: 
Photo Date:  7/7/2012  Upload Date: 8/12/2014 2:47:20 PM
Location:  Scranton, PA
Author:  Pamela Lewis
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  120   Comments: 0
CN 3254
Title:  CN 3254
Description: 
Photo Date:  7/7/2012  Upload Date: 7/8/2012 9:30:51 PM
Location:  Scranton, PA
Author:  Chad Hubler
Categories:  Roster,Scenic,RollingStock,Yard,Station,Steam,Passenger,Action
Locomotives:  CN 3254(2-8-2) UP 4012(4-8-8-4) DL 4103(RS3)
Views:  250   Comments: 0
Steamtown NHS
Title:  Steamtown NHS
Description: 
Photo Date:  7/8/2012  Upload Date: 7/11/2012 4:19:55 PM
Location:  Scranton, PA
Author:  Dan Davis
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  151   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  7/28/2012  Upload Date: 8/1/2012 12:23:24 PM
Location:  Scranton, PA
Author:  Andrew Wedge
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  223   Comments: 0
Union Pacific Big Boy 4012
Title:  Union Pacific Big Boy 4012
Description: 
Photo Date:  9/1/2012  Upload Date: 1/25/2014 4:35:38 PM
Location:  Scranton, PA
Author:  Bobby Yurkanin
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  186   Comments: 0
Amtrak and Big Boy
Title:  Amtrak and Big Boy
Description: 
Photo Date:  9/1/2012  Upload Date: 3/26/2014 6:15:50 PM
Location:  Scranton, PA
Author:  Bobby Yurkanin
Categories: 
Locomotives:  AMTK 406(F40PHR) UP 4012(4-8-8-4)
Views:  189   Comments: 0
Steamtown Railfest 2012
Title:  Steamtown Railfest 2012
Description:  The old and the new side by side at Steamtown
Photo Date:  9/1/2012  Upload Date: 9/2/2012 9:38:56 AM
Location:  Scranton, PA
Author:  Allan Huey
Categories:  Yard,Steam
Locomotives:  UP 4012(4-8-8-4) AMTK 406(F40PHR)
Views:  357   Comments: 0
F40 and Big Boy
Title:  F40 and Big Boy
Description:  Amtrak cab car 406 and Union Pacific Big Boy.
Photo Date:  9/1/2012  Upload Date: 11/17/2013 10:05:11 PM
Location:  Scranton, PA
Author:  Stephen Bradley
Categories: 
Locomotives:  AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  154   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  9/1/2012  Upload Date: 9/2/2012 2:47:02 PM
Location:  Scranton, PA
Author:  Chris Wallace
Categories: 
Locomotives:  UP 4012(4-8-8-4) AMTK 406(NPCU) NKP 514(GP9)
Views:  253   Comments: 0
P42DC 156 and Big Boy 4012
Title:  P42DC 156 and Big Boy 4012
Description:  Union Pacific Big Boy 4-8-8-4 4012 silently observes as Amtrak P42DC 156 gets hooked up to NPCU 406.
Photo Date:  9/2/2012  Upload Date: 9/4/2012 12:41:03 PM
Location:  Scranton, PA
Author:  Richard Crerand
Categories:  Roster,Steam
Locomotives:  AMTK 156(P42DC) AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  221   Comments: 0
P42DC 156, NPCU 406, and Big Boy 4012
Title:  P42DC 156, NPCU 406, and Big Boy 4012
Description:  Amtrak P42DC 156 running lite towards the switches at the end of the yard, passing NPCU 406 and Big Boy 4-8-8-4 4012.
Photo Date:  9/2/2012  Upload Date: 9/4/2012 12:25:51 PM
Location:  Scranton, PA
Author:  Richard Crerand
Categories:  Roster,Steam
Locomotives:  AMTK 156(P42DC) AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  218   Comments: 0
NKP 514
Title:  NKP 514
Description: 
Photo Date:  9/2/2012  Upload Date: 9/4/2012 7:37:58 AM
Location:  Scranton, PA
Author:  Steve Pappas
Categories: 
Locomotives:  NKP 514(GP9) AMTK 406(F40PHR) UP 4012(4-8-8-4)
Views:  237   Comments: 0
NKP 514
Title:  NKP 514
Description: 
Photo Date:  9/2/2012  Upload Date: 9/4/2012 7:38:00 AM
Location:  Scranton, PA
Author:  Steve Pappas
Categories: 
Locomotives:  NKP 514(GP9) AMTK 406(F40PHR) UP 4012(4-8-8-4)
Views:  307   Comments: 0
NPCU 406 and Big Boy 4012
Title:  NPCU 406 and Big Boy 4012
Description:  Amtrak NPCU 406, wearing Phase III anniversary paint, sits on display next to Union Pacific Big Boy 4-8-8-4 4012.
Photo Date:  9/2/2012  Upload Date: 9/3/2012 11:15:14 PM
Location:  Scranton, PA
Author:  Richard Crerand
Categories:  Roster,Steam
Locomotives:  AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  188   Comments: 0
GP9 514, NPCU 406, and Big Boy 4012
Title:  GP9 514, NPCU 406, and Big Boy 4012
Description:  Nickel Plate Road GP9 514 pulling the caboose train past the displayed Amtrak NPCU 406 and Union Pacific Big Bou 4-8-8-4.
Photo Date:  9/2/2012  Upload Date: 9/3/2012 11:16:47 PM
Location:  Scranton, PA
Author:  Richard Crerand
Categories:  Roster,Steam
Locomotives:  NKP 514(GP9) AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  221   Comments: 0
GP9 514, NPCU 406, and Big Boy 4012 Lined Up
Title:  GP9 514, NPCU 406, and Big Boy 4012 Lined Up
Description:  Nickel Plate Road GP9 514 sits next to Amtrak NPCU 406 and Union Pacific Big Boy 4-8-8-4 4012 as the pedestrian crossing is flagged for it.
Photo Date:  9/2/2012  Upload Date: 9/3/2012 11:27:00 PM
Location:  Scranton, PA
Author:  Richard Crerand
Categories:  Roster,Steam
Locomotives:  NKP 514(GP9) AMTK 406(NPCU) UP 4012(4-8-8-4)
Views:  210   Comments: 0
Amtrak 406 and UP 4012
Title:  Amtrak 406 and UP 4012
Description:  Amtraks F40 heritage unit is on display next to UPs 4-8-8-4 4012 at Steamtown
Photo Date:  9/2/2012  Upload Date: 9/3/2012 10:27:23 AM
Location:  Scranton, PA
Author:  Jacob Kempf
Categories: 
Locomotives:  AMTK 406(F40PHR) UP 4012(4-8-8-4)
Views:  221   Comments: 0
UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Title:  UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Description:  True to its nickname, "Big Boy", this locomotive is massive with a total weight of 762,000 pounds. (244,939.9 kg)
Photo Date:  10/10/2012  Upload Date: 11/3/2012 6:57:09 AM
Location:  Scranton, PA
Author:  Gary Everhart
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  1006   Comments: 0
UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Title:  UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Description:  Almost two stories high (16' 2.5" or 4.94 meters), the front face is a clean expanse of steel.
Photo Date:  10/10/2012  Upload Date: 11/3/2012 6:57:12 AM
Location:  Scranton, PA
Author:  Gary Everhart
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  2365   Comments: 0
UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Title:  UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Description:  The info below the window explains 4-8-8-4-1 is a series 1 unit; "68" are 68" drivers; "23 3/4" - 23 3/4" are cylinder diameters; ""32" is piston stroke; 540,000 lbs weight on drivers; and "B" is B-type stoker.
Photo Date:  10/10/2012  Upload Date: 11/3/2012 6:57:31 AM
Location:  Scranton, PA
Author:  Gary Everhart
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  912   Comments: 0
UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Title:  UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Description:  As should be expected the tender matches the locomotive in massive size too and creating a total locomotive + tender length of 132' 9.25".
Photo Date:  10/10/2012  Upload Date: 11/3/2012 6:57:38 AM
Location:  Scranton, PA
Author:  Gary Everhart
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  246   Comments: 0
UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Title:  UP 4-8-8-4 #4012 - "Big Boy" - Union Pacific
Description:  Built between 1941 and 1944, this locomotive worked the western ranges until retirement along with its brothers around 1961. Due to its size, it can take only 20º curves, something in short supply most places outside of the open western states.
Photo Date:  10/10/2012  Upload Date: 11/3/2012 6:57:42 AM
Location:  Scranton, PA
Author:  Gary Everhart
Categories:  Roster,Scenic,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  241   Comments: 1
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:12:55 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  226   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:13:29 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  209   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:14:03 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  232   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:14:36 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  240   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:15:03 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  210   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:15:29 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  242   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:15:58 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  228   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:17:16 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  225   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:17:52 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  198   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:18:22 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  223   Comments: 0
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:18:50 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  265   Comments: 1
Union Pacific Big Boy
Title:  Union Pacific Big Boy
Description: 
Photo Date:  5/7/2013  Upload Date: 5/7/2013 8:19:19 PM
Location:  Scranton, PA
Author:  Scott Dunlap
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  229   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  6/11/2013  Upload Date: 6/14/2013 11:01:15 PM
Location:  Scranton, PA
Author:  Ben Margherone
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  154   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  6/11/2013  Upload Date: 6/14/2013 11:03:04 PM
Location:  Scranton, PA
Author:  Ben Margherone
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  250   Comments: 0
Big, Bad and Proud
Title:  Big, Bad and Proud
Description:  Big Boy 4012 proudly on display
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:16 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,Scenic,Yard,Station,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  183   Comments: 0
Business End of Big Boy
Title:  Business End of Big Boy
Description:  133ft of rolling iron
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:17 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,Scenic,Yard,Station,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  256   Comments: 0
Enjoying Retirement
Title:  Enjoying Retirement
Description:  Big Boy resting easy these days in Scranton
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:18 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,Yard,Station,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  204   Comments: 0
The Big One
Title:  The Big One
Description:  Tag number ;)
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:19 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,RollingStock,Yard,Station,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  167   Comments: 0
Rolling Thunder
Title:  Rolling Thunder
Description:  The original meaning of Rolling Thunder
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:20 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,Yard,Steam,Passenger,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  196   Comments: 0
Glory Days
Title:  Glory Days
Description:  The name says it all.....tradition
Photo Date:  7/1/2013  Upload Date: 7/6/2013 10:55:20 PM
Location:  Scranton, PA
Author:  Larry Mowery
Categories:  Roster,RollingStock,Yard,Station,Steam,Track
Locomotives:  UP 4012(4-8-8-4)
Views:  179   Comments: 0


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