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1/1/2025
 
 
 
 
 
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:  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:  796   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:  785   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:  527   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:  367   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:  581   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:  470   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:  390   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:  532   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:  570   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:  363   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:  517   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:  422   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:  351   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:  410   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:  368   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:  379   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:  487   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:  398   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:  416   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:  306   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:  370   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:  288   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:  262   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:  265   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:  433   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:  544   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:  565   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:  455   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:  464   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:  460   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:  384   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:  1438   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:  467   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:  545   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:  380   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:  282   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:  327   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:  264   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:  594   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:  188   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:  243   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:  314   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:  284   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:  310   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:  508   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:  372   Comments: 0
UP 3985 turning south heading to Houston
Title:  UP 3985 turning south heading to Houston
Description: 
Photo Date:  1/24/2004  Upload Date: 10/13/2009 2:27:34 PM
Location:  Corsicana, TX
Author:  Larry Bell
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  445   Comments: 1
UP 3985
Title:  UP 3985
Description:  Early in the morning the sunrise hit 3985 with the most breath taking color. I just love steam.
Photo Date:  1/25/2004  Upload Date: 6/7/2009 1:11:00 AM
Location:  Tyler, TX
Author:  Larry Bell
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  348   Comments: 0
UP 3985
Title:  UP 3985
Description:  Here is a pace shot of UP 3985 at 60 MPH along the Hardy Toll Road and UP Palestine Sub.
Photo Date:  1/26/2004  Upload Date: 4/25/2008 9:51:43 PM
Location:  Houston, TX
Author:  Bob King
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  270   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Challenger backs onto Columbia Tap Lead
Photo Date:  1/26/2004  Upload Date: 4/25/2008 9:52:16 PM
Location:  Houston, TX
Author:  Bob King
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  340   Comments: 0


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