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11/10/2025
 
 
 
 
 
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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Drivers at night
Title:  Drivers at night
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:36:00 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  469   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:37:22 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  338   Comments: 0
UP 3985
Title:  UP 3985
Description:  With Union Station
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:39:56 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  345   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:42:32 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  318   Comments: 0
UP 3985
Title:  UP 3985
Description:  Thanks another photographer for lighting it up
Photo Date:  10/3/2010  Upload Date: 10/6/2010 10:44:35 PM
Location:  Kansas City, MO
Author:  Philip Turner
Categories:  Night,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  677   Comments: 3
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:  378   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:  351   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:  358   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:  311   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:  353   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:  304   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:  789   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:  353   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:  328   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:  332   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:  2526   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:  468   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:  484   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:  538   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:  613   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:  897   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:  630   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:  990   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:  533   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:  512   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:  560   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:  728   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:  701   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:  666   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:  719   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:  1027   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:  869   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:  729   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:  691   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:  858   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:  1295   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:  338   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:  347   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:  331   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:  281   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:  356   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:  435   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:  467   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:  432   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:  424   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:  449   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:  421   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:  569   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:  420   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:  414   Comments: 0


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