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1/11/2025
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Alco 4-6-6-4Built As:UP 3985 (4-6-6-4)
Serial Number:70174Order No:S-1879
Frame Number:21X32 cylinders, 69" driversBuilt:6/1943
Notes:Challenger class 4664-4, donated to RRHMA.
Other locos with this serial:  UP 3985(4-6-6-4) CRR 676(4-6-6-4)
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UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:35:13 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  329   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:35:24 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  285   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:35:43 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  304   Comments: 1
UP 3985 & 844
Title:  UP 3985 & 844
Description: 
Photo Date:  6/18/2003  Upload Date: 10/7/2006 9:04:59 PM
Location:  Cheyenne, WY
Author:  Jon Hall
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4) UP 844(4-8-4)
Views:  5323   Comments: 4
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/18/2003  Upload Date: 10/7/2006 9:04:58 PM
Location:  Cheyenne, WY
Author:  Jon Hall
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  801   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 1:23:32 PM
Location:  North Platte, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  791   Comments: 8
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 1:23:56 PM
Location:  North Platte, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  533   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 1:24:21 PM
Location:  North Platte, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  373   Comments: 4
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 8:42:51 PM
Location:  Brady, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  589   Comments: 2
UP 8111
Title:  UP 8111
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 8:43:39 PM
Location:  Lexington, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 8111(SD9043MAC) UP 3985(4-6-6-4)
Views:  479   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 8:44:15 PM
Location:  Darr, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  396   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/25/2003  Upload Date: 2/12/2008 8:45:06 PM
Location:  Kearney, NE
Author:  Sam Botts
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  539   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 rounds the curve east of the Osage River crossing of the Jefferson City Sub
Photo Date:  1/1/2004  Upload Date: 2/16/2006 11:04:22 PM
Location:  Osage City, MO
Author:  Gary Dyhouse
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  576   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 5:48:13 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  369   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 5:49:23 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  523   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 5:49:37 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  425   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 5:49:57 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  357   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:30:55 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  416   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:31:19 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  374   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:31:40 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  388   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:32:01 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  494   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:36:48 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  408   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/1/2004  Upload Date: 11/28/2004 10:37:12 PM
Location:  Denver, CO
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  423   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Union Pacific's Challenger class 4-6-6-4 rolls into Steele City. The train of automobiles behind it were following it to Marysville, KS.
Photo Date:  1/13/2004  Upload Date: 3/19/2006 8:53:31 AM
Location:  Steele City, NE
Author:  Robert Garton
Categories:  Steam,Passenger
Locomotives:  UP 3985(4-6-6-4)
Views:  308   Comments: 0
UP 3985
Title:  UP 3985
Description:  Crewmembers take a few minutes to grease the rods and make sure everything is well-kept durinc a scheduled stop-over in Marysville, KS.
Photo Date:  1/13/2004  Upload Date: 3/20/2006 7:32:50 AM
Location:  Marysville, KS
Author:  Robert Garton
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  373   Comments: 0
UP 3985
Title:  UP 3985
Description:  Close-up showing the manufacturer's plate and other ID tags on the side of Challenger.
Photo Date:  1/13/2004  Upload Date: 3/20/2006 7:33:40 AM
Location:  Marysville, KS
Author:  Robert Garton
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  293   Comments: 0
UP 3985
Title:  UP 3985
Description:  Resting in Mardsville.
Photo Date:  1/13/2004  Upload Date: 3/20/2006 7:36:12 AM
Location:  Marysville, KS
Author:  Robert Garton
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  265   Comments: 0
UP 3985
Title:  UP 3985
Description:  The smoke rolls as Challenger finishes the leg into Marysville. The day began near North Platte, NE.
Photo Date:  1/13/2004  Upload Date: 3/20/2006 7:35:47 AM
Location:  Marysville, KS
Author:  Robert Garton
Categories:  RollingStock,Model,Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  266   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/14/2004  Upload Date: 1/21/2005 11:56:18 PM
Location:  Saint Louis, MO
Author:  Matt Thomas
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  442   Comments: 1
UP-3985 Chzllenger Passing By
Title:  UP-3985 Chzllenger Passing By
Description:  Super Bowl Special 2004
Photo Date:  1/14/2004  Upload Date: 6/15/2004 3:31:21 AM
Location:  Edwardsville, KS
Author:  Chris Knight
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  547   Comments: 1
UP 3985 After it had a brief stop
Title:  UP 3985 After it had a brief stop
Description:  It was at a full stop not to far from where this picture was taken.
Photo Date:  1/14/2004  Upload Date: 6/15/2004 3:31:24 AM
Location:  Muncie, KS
Author:  Chris Knight
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  572   Comments: 0
UP 3985, Union Station
Title:  UP 3985, Union Station
Description: 
Photo Date:  1/15/2004  Upload Date: 10/10/2006 6:00:36 PM
Location:  Kansas City, MO
Author:  mark mcdowell
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  457   Comments: 0
UP 3985 at MoPac Station
Title:  UP 3985 at MoPac Station
Description: 
Photo Date:  1/15/2004  Upload Date: 9/14/2004 3:41:17 PM
Location:  Jefferson City, MO
Author:  John Kuehn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  471   Comments: 0
UP 3985 at MoPac Station
Title:  UP 3985 at MoPac Station
Description: 
Photo Date:  1/15/2004  Upload Date: 9/14/2004 3:44:43 PM
Location:  Jefferson City, MO
Author:  John Kuehn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  463   Comments: 0
UP 3985 at MoPac Station
Title:  UP 3985 at MoPac Station
Description: 
Photo Date:  1/15/2004  Upload Date: 9/14/2004 3:45:44 PM
Location:  Jefferson City, MO
Author:  John Kuehn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  389   Comments: 0
UP 3985 Leaving Station
Title:  UP 3985 Leaving Station
Description: 
Photo Date:  1/15/2004  Upload Date: 9/14/2004 3:46:55 PM
Location:  Jefferson City, MO
Author:  John Kuehn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1442   Comments: 1
UP Leaving Station
Title:  UP Leaving Station
Description: 
Photo Date:  1/15/2004  Upload Date: 9/14/2004 3:47:59 PM
Location:  Jefferson City, MO
Author:  John Kuehn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  468   Comments: 0
UP 3985
Title:  UP 3985
Description:  3985 rounds a curve east of California on the Sedalia Sub
Photo Date:  1/15/2004  Upload Date: 3/2/2006 7:57:39 PM
Location:  California, MO
Author:  Gary Dyhouse
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  552   Comments: 1
UP 3985
Title:  UP 3985
Description:  The Union Pacific Challenger sits in Downtown St. Louis....The Next day, she had fire box problems
Photo Date:  1/17/2004  Upload Date: 1/23/2005 1:40:52 PM
Location:  Saint Louis, MO
Author:  Jim Tiroch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  385   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Union Pacific Challenger sits in Downtown St. Louis....The Next day, she had fire box problems
Photo Date:  1/17/2004  Upload Date: 1/23/2005 1:41:10 PM
Location:  Saint Louis, MO
Author:  Jim Tiroch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  283   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Union Pacific Challenger sits in Downtown St. Louis....The Next day, she had fire box problems
Photo Date:  1/17/2004  Upload Date: 1/23/2005 1:41:32 PM
Location:  Saint Louis, MO
Author:  Jim Tiroch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  330   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Union Pacific Challenger sits in Downtown St. Louis....The Next day, she had fire box problems
Photo Date:  1/17/2004  Upload Date: 1/23/2005 1:41:54 PM
Location:  Saint Louis, MO
Author:  Jim Tiroch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  267   Comments: 0
UP 3985 Challenger On Public Display
Title:  UP 3985 Challenger On Public Display
Description:  Union Pacific 4-6-6-4 Challenger 3985, The World's Largest Operating Steam Locomotive was Traveling to Houston For Super Bowl XXXVIII in January 2004 when it had a boiler problem and had to be repaired in STL. It was displayed out at Central Industrial Avenue.
Photo Date:  1/18/2004  Upload Date: 7/31/2009 8:40:40 PM
Location:  Saint Louis, MO
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  596   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/21/2004  Upload Date: 3/1/2010 8:01:42 AM
Location:  Dupo, IL
Author:  Brian Frierdich
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  191   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/21/2004  Upload Date: 3/1/2010 8:02:26 AM
Location:  Dupo, IL
Author:  Brian Frierdich
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  245   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/21/2004  Upload Date: 3/1/2010 8:02:37 AM
Location:  Dupo, IL
Author:  Brian Frierdich
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  318   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/21/2004  Upload Date: 3/1/2010 8:02:50 AM
Location:  Dupo, IL
Author:  Brian Frierdich
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  286   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  1/22/2004  Upload Date: 5/3/2009 10:49:11 PM
Location:  Gorham, IL
Author:  Justin Draper
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  318   Comments: 2
UP 3985
Title:  UP 3985
Description:  This was very early in the morning, just after sunrise. You don't get too many spectators at this time of the morning which makes for an excellent photo op.
Photo Date:  1/24/2004  Upload Date: 6/7/2009 1:39:53 AM
Location:  Tyler, TX
Author:  Larry Bell
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  510   Comments: 2
UP 3985
Title:  UP 3985
Description:  Sunrise on UP 3985
Photo Date:  1/24/2004  Upload Date: 6/7/2009 1:18:04 AM
Location:  Tyler, TX
Author:  Larry Bell
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  376   Comments: 0


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