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5/30/2025
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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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Title: 
Description: 
Photo Date:  4/1/1950  Upload Date: 7/5/2011 3:07:31 PM
Location:  Sherman Hill, WY
Author:  scan of postcard/Paul Gribble originals
Categories:  Roster,Scenic,RollingStock,Steam,Passenger,Track,Action
Locomotives:  UP 4012(4-8-8-4) UP 4015(4-8-8-4)
Views:  3892   Comments: 0
Union Pacific 4-8-8-4 4012
Title:  Union Pacific 4-8-8-4 4012
Description:  With a passenger train on the next track, 4-8-8-4 4012 departs Cheyenne in April 1956. 4012 came from ALCo in October 1941. It was retired and placed in storage in February 1962. In August 1964, 4012 was donated to Steamtown.
Photo Date:  4/1/1956  Upload Date: 10/9/2023 7:00:22 PM
Location:  Cheyenne, WY
Author:  Dave Straight
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  434   Comments: 0
UP 4-8-8-4 #4012
Title:  UP 4-8-8-4 #4012
Description:  Beautiful action shot of a double header with UP Big Boy #4012 in the lead. No exact date was given. This loco now resides at the Steamtown USA Museum in Scranton, PA. John William photo. Lucas Connor (see comment below) believes this photo might be closer to 1956 since it appears to have been recently repaired and outshopped. Seems fairly good estimate. Thanks, Lucas!
Photo Date:  6/1/1956  Upload Date: 12/27/2018 6:24:37 AM
Location:  Cheyenne, WY
Author:  Gary Everhart
Categories:  Roster,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  1480   Comments: 1
A view from the hillside of the Steamtown complex.
Title:  A view from the hillside of the Steamtown complex.
Description:  This shows iow tightly packed the display of locomotives was.
Photo Date:  6/8/1965  Upload Date: 7/14/2013 5:31:12 PM
Location:  North Walpole, NH
Author:  Ted Houghton
Categories:  Yard
Locomotives:  UP 4012(4-8-8-4)
Views:  1705   Comments: 0
Steamtown - 1 of 6
Title:  Steamtown - 1 of 6
Description: 
Photo Date:  8/1/1965  Upload Date: 1/26/2017 2:54:44 PM
Location:  Bellows Falls, VT
Author:  Christopher Smith
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1070   Comments: 0
Steamtown - 2 of 6
Title:  Steamtown - 2 of 6
Description: 
Photo Date:  8/1/1965  Upload Date: 1/26/2017 2:55:06 PM
Location:  Bellows Falls, VT
Author:  Christopher Smith
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  984   Comments: 0
UP 4012
Title:  UP 4012
Description: 
Photo Date:  9/1/1969  Upload Date: 3/26/2011 2:04:28 PM
Location:  Bellows Falls, VT
Author:  Larry De Bert
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2083   Comments: 0
UP 4012 - Handyman's special.
Title:  UP 4012 - Handyman's special.
Description: 
Photo Date:  8/1/1974  Upload Date: 12/24/2012 2:33:32 PM
Location:  Bellows Falls, VT
Author:  Philip M. Goldstein
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1797   Comments: 0
UP 4-8-8-4 #4012
Title:  UP 4-8-8-4 #4012
Description:  132' 10" in length, 560 tons in weight, 68" driving wheels, and capable of producing 6,360 hp at 42 mph...
Photo Date:  6/1/1978  Upload Date: 9/7/2004 1:03:51 AM
Location:  Scranton, PA
Author:  J. W. Swanberg
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  3136   Comments: 2
Union Pacific Railroad (4-8-8-4) "Big Boy" Steam Locomotive No. 4012
Title:  Union Pacific Railroad (4-8-8-4) "Big Boy" Steam Locomotive No. 4012
Description:  Steamtown
Photo Date:  6/17/1978  Upload Date: 10/6/2006 6:27:22 AM
Location:  Bellows Falls, VT
Author:  Bill Rogerson
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  5641   Comments: 1
Steamtown Bellows Falls Vermont July 1981
Title:  Steamtown Bellows Falls Vermont July 1981
Description:  UP 4-8-8-4 4012 BigBoy with smaller locos.
Photo Date:  7/1/1981  Upload Date: 2/17/2017 3:34:23 PM
Location:  Bellows Falls, VT
Author:  Denis Chartrand
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  887   Comments: 0
UP 4012
Title:  UP 4012
Description:  Big Boy 4012 at Steamtown, long before anyone ever thought to resurrect 4014 from a park in LA.
Photo Date:  10/23/1982  Upload Date: 7/2/2014 3:38:54 AM
Location:  Bellows Falls, VT
Author:  Tom Beckett
Categories:  Roster,Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  1061   Comments: 0
Big Boy
Title:  Big Boy
Description:  UP 4012 at Bellows Falls.
Photo Date:  10/23/1982  Upload Date: 5/6/2013 12:47:05 AM
Location:  Bellows Falls, VT
Author:  Tom Beckett
Categories:  Roster,Yard,Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  1106   Comments: 0
UP 4012
Title:  UP 4012
Description:  UPo 4012 when it was in Bellows Falls in '83
Photo Date:  7/1/1983  Upload Date: 12/2/2008 9:24:34 PM
Location:  Bellows Falls, VT
Author:  Terry Terrance
Categories:  Steam
Locomotives:  UP 4012(4-8-8-4)
Views:  2349   Comments: 0
Big Boy Move (1)
Title:  Big Boy Move (1)
Description:  The "movers" arrive at Steamtown's yard in Riverside. The weather, of course, was absolutely scrumptious!!
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:31:44 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  3289   Comments: 0
Big Boy Move (3)
Title:  Big Boy Move (3)
Description:  A pause to uncouple and separate the idler flats, they will bracket the 4012 for the move.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:37:20 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  BM 364(GP39-2) UP 4012(4-8-8-4)
Views:  2749   Comments: 0
Big Boy Move (4)
Title:  Big Boy Move (4)
Description:  What will be the rear half of the train backs down onto the 4012.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:43:11 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4) BM 364(GP39-2)
Views:  2409   Comments: 0
Big Boy Move (5)
Title:  Big Boy Move (5)
Description:  The 4012 is pulled slowly out of the siding.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:44:11 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2754   Comments: 0
Big Boy Move (6)
Title:  Big Boy Move (6)
Description:  The rear half, with the 4012, backs down onto the front idler flat to couple up.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:45:10 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2135   Comments: 0
Big Boy Move (7)
Title:  Big Boy Move (7)
Description:  The journey begins! The train treads lightly across the lagoon just south of Riverside, Steamtown's home of many years.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 1:46:01 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2774   Comments: 0
Big Boy Move (9)
Title:  Big Boy Move (9)
Description:  The 4012 is inched around the curve as grease is applied to the rails liberally all the while.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 3:20:45 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2618   Comments: 0
Big Boy Move (10)
Title:  Big Boy Move (10)
Description:  Almost there!....and the snow begins to fly....again!
Photo Date:  11/13/1984  Upload Date: 2/24/2006 3:22:38 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2313   Comments: 0
Big Boy Move (12)
Title:  Big Boy Move (12)
Description:  "Threading the eye of the needle" in downtown Bellows Falls.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 3:25:16 PM
Location:  Bellows Falls, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  3590   Comments: 0
Big Boy Move (14)
Title:  Big Boy Move (14)
Description:  Pausing to check the bearings. As it turned out, the 4012 ran remarkably "cool" the entire trip.
Photo Date:  11/13/1984  Upload Date: 2/24/2006 3:27:36 PM
Location:  Westminster Station, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1846   Comments: 0
Big Boy Move (15)
Title:  Big Boy Move (15)
Description:  Stopped at Westminster station to check bearings.
Photo Date:  11/13/1984  Upload Date: 2/25/2006 4:23:02 PM
Location:  Westminster Station, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1772   Comments: 0
Big Boy Move (17)
Title:  Big Boy Move (17)
Description:  A view of the entire train just south of Westminster station.
Photo Date:  11/13/1984  Upload Date: 2/25/2006 4:25:13 PM
Location:  Westminster Station, VT
Author:  Carl Weber
Categories: 
Locomotives:  BM 364(GP39-2) UP 4012(4-8-8-4)
Views:  1954   Comments: 0
Big Boy Move (19)
Title:  Big Boy Move (19)
Description:  Passing through Grout.
Photo Date:  11/13/1984  Upload Date: 2/25/2006 4:27:04 PM
Location:  Grout, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1651   Comments: 0
Big Boy Move (22)
Title:  Big Boy Move (22)
Description:  Going away shot from the overpass at East Putney.
Photo Date:  11/13/1984  Upload Date: 2/25/2006 4:41:51 PM
Location:  East Putney, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2116   Comments: 1
Big Boy Move (24)
Title:  Big Boy Move (24)
Description:  The 4012 at Putney North interlocking.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 5:37:33 PM
Location:  Putney, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2017   Comments: 0
Big Boy Move (27)
Title:  Big Boy Move (27)
Description:  4012 in train at the north end of the CV yard in Brattleboro.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 5:58:47 PM
Location:  Brattleboro, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2834   Comments: 3
Big Boy Move (29)
Title:  Big Boy Move (29)
Description:  Heading south (left to right) across the lagoon on the south side of Brattleboro
Photo Date:  11/13/1984  Upload Date: 2/27/2006 6:10:05 PM
Location:  Brattleboro, VT
Author:  Carl Weber
Categories: 
Locomotives:  BM 364(GP39-2) UP 4012(4-8-8-4) BM 360(GP39-2)
Views:  1782   Comments: 0
Big Boy Move (30)
Title:  Big Boy Move (30)
Description:  Crossing Broad Brook in the extreme northeast corner of Vernon.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 6:11:01 PM
Location:  Vernon, VT
Author:  Carl Weber
Categories: 
Locomotives:  BM 364(GP39-2) UP 4012(4-8-8-4)
Views:  1493   Comments: 0
Big Boy Move (31)
Title:  Big Boy Move (31)
Description:  At Broad Brook in Vernon.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 6:11:46 PM
Location:  Vernon, VT
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1185   Comments: 0
Big Boy Move (32)
Title:  Big Boy Move (32)
Description:  Running along the small lagoon south of Broad Brook.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 6:12:26 PM
Location:  Vernon, VT
Author:  Carl Weber
Categories: 
Locomotives:  BM 360(GP39-2) BM 364(GP39-2) UP 4012(4-8-8-4)
Views:  1626   Comments: 0
Big Boy Move (34)
Title:  Big Boy Move (34)
Description:  Passing through East Northfield Junction. The far right track is just a set-out track.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 11:51:14 PM
Location:  Northfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1293   Comments: 0
Big Boy Move (36)
Title:  Big Boy Move (36)
Description:  On the Mt. Hermon grade at Bennett Brook Road.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 11:56:18 PM
Location:  Northfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2097   Comments: 0
Big Boy Move (37)
Title:  Big Boy Move (37)
Description:  Passing the Bernardston Agway feed terminal.
Photo Date:  11/13/1984  Upload Date: 2/27/2006 11:58:24 PM
Location:  Bernardston, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1413   Comments: 0
Big Boy Move (40)
Title:  Big Boy Move (40)
Description:  Westbound local ED-5 passes the 4012 in Greenfield.
Photo Date:  11/13/1984  Upload Date: 2/28/2006 3:28:59 PM
Location:  Greenfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1812   Comments: 0
Big Boy Move (42)
Title:  Big Boy Move (42)
Description:  UP 4012 at East Deerfield West. For the time of year and time of day and the sky condition, the light was fading fast!
Photo Date:  11/13/1984  Upload Date: 2/28/2006 3:36:00 PM
Location:  East Deerfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  2311   Comments: 0
Big Boy Move (43)
Title:  Big Boy Move (43)
Description:  The special would spend the night at East Deerfield and resume it's westward journey the next day.
Photo Date:  11/13/1984  Upload Date: 2/28/2006 3:37:00 PM
Location:  East Deerfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1313   Comments: 0
Big Boy Move (44)
Title:  Big Boy Move (44)
Description:  From E. Dfld., the train would proceed to Mechanicville, NY., then over the D&H to Binghamton, then down the old DL&W to Scranton. While traversing the Lackawanna, they would pause on Tunkhannock Viaduct in Nicholson, PA. for photos.
Photo Date:  11/13/1984  Upload Date: 2/28/2006 3:37:56 PM
Location:  East Deerfield, MA
Author:  Carl Weber
Categories: 
Locomotives:  BM 360(GP39-2) UP 4012(4-8-8-4) BM 364(GP39-2)
Views:  3186   Comments: 0
A Collection Of Many Sizes
Title:  A Collection Of Many Sizes
Description:  UP Big Boy 4012 is parked behind Bullard Company 2, showing the difference in size between Steamtowns largest and smallest engines. Date is approximate.
Photo Date:  5/12/1989  Upload Date: 5/29/2025 9:56:57 AM
Location:  Scranton, PA
Author:  Unknown
Categories:  Roster,Yard,Steam
Locomotives:  UP 4012(4-8-8-4) BULLARD CO.(0-4-0T)
Views:  9   Comments: 0
UP 4012
Title:  UP 4012
Description:  The guy who is standing in front of Big Boy is Paul Morris, the person who gave me this picture to scan and post on the net.
Photo Date:  6/11/1990  Upload Date: 7/28/2005 4:27:17 PM
Location:  Scranton, PA
Author:  Matthew Sebastionelli
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1655   Comments: 0
UP 4012
Title:  UP 4012
Description:  Another view of Big Boy.
Photo Date:  6/11/1990  Upload Date: 7/28/2005 4:30:17 PM
Location:  Scranton, PA
Author:  Matthew Sebastionelli
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  927   Comments: 0
UP 4012
Title:  UP 4012
Description:  A close up at the bearings and drivers on Big Boy.
Photo Date:  6/11/1990  Upload Date: 7/28/2005 4:31:21 PM
Location:  Scranton, PA
Author:  Matthew Sebastionelli
Categories: 
Locomotives:  UP 4012(4-8-8-4)
Views:  1671   Comments: 0
UP 4012
Title:  UP 4012
Description:  UP 4012 sits behind the former DLW station in Scranton, now a hotel. It has since been moved to the boarding area for visitors to Steamtown.
Photo Date:  10/20/1990  Upload Date: 2/5/2012 3:32:10 AM
Location:  Scranton, PA
Author:  Tom Beckett
Categories:  Roster,Night,Yard
Locomotives:  UP 4012(4-8-8-4)
Views:  1210   Comments: 0

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