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7/28/2025
 
 
 
 
 
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:  10/3/2010  Upload Date: 10/6/2010 10:46:21 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  329   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:48:11 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  295   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:49:27 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  291   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:50:23 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  259   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:51:09 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  296   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:51:54 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  255   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:52:36 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  747   Comments: 1
UP 3985
Title:  UP 3985
Description:  Is this in your shot too?
Photo Date:  10/3/2010  Upload Date: 10/6/2010 11:10:15 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  302   Comments: 0
UP 3985 "The time machine"
Title:  UP 3985 "The time machine"
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 11:11:42 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  289   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 11:12:56 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  288   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 11:14:15 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  2452   Comments: 10
UP 3985
Title:  UP 3985
Description:  Front drivers on the Challenger shortly after we finished polishing the rods.
Photo Date:  10/3/2010  Upload Date: 11/2/2010 7:04:16 PM
Location:  Kansas City, MO
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  396   Comments: 0
UP 3985 - The Challenger
Title:  UP 3985 - The Challenger
Description:  The 1943 ALCO 4-6-6-4 Challenger sits at Kansas City Union Station.
Photo Date:  10/3/2010  Upload Date: 11/2/2010 9:08:31 PM
Location:  Kansas City, MO
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  414   Comments: 1
UP 3985 on Display
Title:  UP 3985 on Display
Description:  The Challenger simmers the night away at Union Station. She'll jam out of here at 8:00 in the morning for Jefferson City, MO.
Photo Date:  10/3/2010  Upload Date: 11/2/2010 7:03:49 PM
Location:  Kansas City, MO
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  473   Comments: 0
UP 3985
Title:  UP 3985
Description:  excursion train
Photo Date:  10/4/2010  Upload Date: 10/8/2010 10:44:50 AM
Location:  Delia, KS
Author:  David Banaka
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  527   Comments: 0
UP 3985
Title:  UP 3985
Description:  3985 preparing to stop for servicing
Photo Date:  10/4/2010  Upload Date: 10/8/2010 11:18:29 AM
Location:  Marshall, MO
Author:  David Banaka
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  781   Comments: 3
UP 3985
Title:  UP 3985
Description:  Up 3985 after servicing at Marshall, Mo
Photo Date:  10/4/2010  Upload Date: 10/8/2010 11:28:16 AM
Location:  Marshall, MO
Author:  David Banaka
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  545   Comments: 0
UP 3985
Title:  UP 3985
Description:  3985 after departing the service stop at Marshall, Mo
Photo Date:  10/4/2010  Upload Date: 10/8/2010 11:59:54 AM
Location:  Marshall, MO
Author:  David Banaka
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  875   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 1/14/2013 8:47:42 AM
Location:  Levasy, MO
Author:  Kurt I. Jensen
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  437   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 1/14/2013 8:49:11 AM
Location:  Levasy, MO
Author:  Kurt I. Jensen
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  425   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 1/11/2013 1:29:36 PM
Location:  Sandy Hook, MO
Author:  Kurt I. Jensen
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  438   Comments: 0
UP 3985
Title:  UP 3985
Description:  3985 sets up its train for display in the view of the Missouri State Capitol
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:58:54 PM
Location:  Jefferson City, MO
Author:  Gary Dyhouse
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  656   Comments: 1
UP 3985
Title:  UP 3985
Description:  The Missouri River Eagle arrives in Jefferson City and will shortly stop for water and then for display.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:57:58 PM
Location:  Jefferson City, MO
Author:  Gary Dyhouse
Categories:  Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  617   Comments: 0
UP 3985
Title:  UP 3985
Description:  The 3985 arrives in Jefferson City to the delight of her many fans.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:57:05 PM
Location:  Jefferson City, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  572   Comments: 0
UP 3985
Title:  UP 3985
Description:  3985 and train are seen rounding the sharp curve at the end of the UP River Sub where it joins up with the Sedalia Sub. Note how the boiler is offset from the front trucks.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:55:16 PM
Location:  Cole Junction, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  675   Comments: 1
UP 3985
Title:  UP 3985
Description:  3985 swings around the last curve on the River Sub at Cole Jct. Amazingly no one was in the shot considering the crowd of people there.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:55:42 PM
Location:  Cole Junction, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  942   Comments: 7
UP 3985
Title:  UP 3985
Description:  3985 and train lopes down the River Sub just west of Marion.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:52:43 PM
Location:  Marion, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  776   Comments: 2
UP 3985
Title:  UP 3985
Description:  3985 rolls by just west of Marion
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:53:19 PM
Location:  Marion, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  622   Comments: 1
UP 3985
Title:  UP 3985
Description:  3985 crosses a lonely farm road.
Photo Date:  10/4/2010  Upload Date: 10/4/2010 10:19:57 PM
Location:  Sandy Hook, MO
Author:  Gary Dyhouse
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  612   Comments: 0
UP 3985
Title:  UP 3985
Description:  In a brief moment 3985 and train provide the most action the sleepy town of Wooldridge has seen since well, the last time it came through!
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:51:08 PM
Location:  Wooldridge, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  802   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Missouri River Eagle flies through the sleepy town of Wooldridge, the land that time forgot!
Photo Date:  10/4/2010  Upload Date: 10/4/2010 7:51:37 PM
Location:  Wooldridge, MO
Author:  Gary Dyhouse
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  1208   Comments: 9
UP 3985
Title:  UP 3985
Description:  Last minute checks are underway this morning.
Photo Date:  10/4/2010  Upload Date: 10/6/2010 11:23:52 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  293   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/6/2010 11:27:26 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  303   Comments: 0
UP 3985
Title:  UP 3985
Description:  We are ready to go!
Photo Date:  10/4/2010  Upload Date: 10/6/2010 11:29:52 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  282   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/6/2010 11:32:42 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  242   Comments: 0
UP 3985
Title:  UP 3985
Description:  Backing on to the Terminal
Photo Date:  10/4/2010  Upload Date: 10/6/2010 11:34:34 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  311   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 5:59:56 PM
Location:  Grand Pass, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  351   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:01:07 PM
Location:  Grand Pass, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  372   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:03:27 PM
Location:  Malta Bend, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  337   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:04:27 PM
Location:  Malta Bend, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  326   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:06:10 PM
Location:  Marshall, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  374   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:07:53 PM
Location:  Marshall, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  334   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:10:17 PM
Location:  Lupus, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  451   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:11:24 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  322   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:13:00 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  315   Comments: 0
Servicing the UP 3985
Title:  Servicing the UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:14:38 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  374   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:16:17 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  408   Comments: 0
UP 3985 passed by WB coal empties
Title:  UP 3985 passed by WB coal empties
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:17:29 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4) UP 6387(AC44CW)
Views:  704   Comments: 0
UP 3985 making the reverse move
Title:  UP 3985 making the reverse move
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:19:46 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  339   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/4/2010  Upload Date: 10/7/2010 6:20:59 PM
Location:  Jefferson City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  371   Comments: 0


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