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6/3/2025
 
 
 
 
 
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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SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special
Title:  SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special
Description: 
Photo Date:  10/6/2010  Upload Date: 10/6/2010 4:07:49 PM
Location:  Valley Park, MO
Author:  Bob Bober
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  1892   Comments: 7
SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special Challenger
Title:  SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special Challenger
Description: 
Photo Date:  10/6/2010  Upload Date: 10/6/2010 4:08:35 PM
Location:  Valley Park, MO
Author:  Bob Bober
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  355   Comments: 0
SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special Leaving Valley Park, Mo.
Title:  SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special Leaving Valley Park, Mo.
Description: 
Photo Date:  10/6/2010  Upload Date: 10/6/2010 4:08:58 PM
Location:  Valley Park, MO
Author:  Bob Bober
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  289   Comments: 0
SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special
Title:  SJCSL-06 Missouri River Eagle Sedalia Sesquicentennial Special
Description: 
Photo Date:  10/6/2010  Upload Date: 10/6/2010 4:09:19 PM
Location:  Valley Park, MO
Author:  Bob Bober
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  285   Comments: 0
UP 3985
Title:  UP 3985
Description:  Missouri River Eagle heritage tour
Photo Date:  10/6/2010  Upload Date: 10/19/2010 7:20:09 PM
Location:  Eureka, MO
Author:  John Higginson
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  486   Comments: 4
UP 3985
Title:  UP 3985
Description:  Missouri River Eagle heritage tour
Photo Date:  10/6/2010  Upload Date: 10/19/2010 7:19:15 PM
Location:  Saint Louis, MO
Author:  John Higginson
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  445   Comments: 0
UP 3985
Title:  UP 3985
Description:  Kirkwood Station
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:09:10 PM
Location:  Kirkwood, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  308   Comments: 1
UP 3985
Title:  UP 3985
Description:  Kirkwood Station
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:12:56 PM
Location:  Kirkwood, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  375   Comments: 2
UP 3985
Title:  UP 3985
Description:  Kirkwood Station
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:14:46 PM
Location:  Kirkwood, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  248   Comments: 0
UP 3985
Title:  UP 3985
Description:  Kirkwood Station
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:17:01 PM
Location:  Kirkwood, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  247   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:18:43 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  349   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:20:55 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  363   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:22:27 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  249   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:25:19 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  543   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:27:48 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  290   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:29:19 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  224   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:30:00 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  232   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:31:40 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  466   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:33:42 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  245   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/6/2010  Upload Date: 10/20/2010 10:35:37 PM
Location:  Saint Louis County, MO
Author:  Jim Kirsch
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  463   Comments: 0
Union Pacific 3985 "Challenger" in St. Louis, Missouri
Title:  Union Pacific 3985 "Challenger" in St. Louis, Missouri
Description:  Union Pacific #3985 "Challenger" blasting its way along Manchester Avenue at track speed on a beautiful early autumn morning
Photo Date:  10/6/2010  Upload Date: 10/6/2010 9:31:48 PM
Location:  Saint Louis, MO
Author:  William Acord
Categories:  Scenic,Steam,Passenger
Locomotives:  UP 3985(4-6-6-4)
Views:  449   Comments: 2
UP Steam
Title:  UP Steam
Description:  The crowd gathers as UP 3985 stops and gets inspected by its crew
Photo Date:  10/7/2010  Upload Date: 3/8/2011 4:21:34 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  198   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 on the UP Steam Special
Photo Date:  10/7/2010  Upload Date: 3/8/2011 4:23:27 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  192   Comments: 0
UP 3985
Title:  UP 3985
Description:  Another shot of UP 3985
Photo Date:  10/7/2010  Upload Date: 3/8/2011 4:24:22 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  197   Comments: 0
Cab shot
Title:  Cab shot
Description:  Closer view of the cab on UP 3985
Photo Date:  10/7/2010  Upload Date: 3/8/2011 4:25:24 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  182   Comments: 0
Last shot
Title:  Last shot
Description:  Last photo before they depart.
Photo Date:  10/7/2010  Upload Date: 3/8/2011 4:26:25 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  174   Comments: 0
UP Steam Special
Title:  UP Steam Special
Description:  UP X3985 leads the UP Special into Gorham, IL
Photo Date:  10/7/2010  Upload Date: 3/5/2011 6:06:40 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  242   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 stops on the Wye while fans take pictures.
Photo Date:  10/7/2010  Upload Date: 3/5/2011 6:08:00 PM
Location:  Gorham, IL
Author:  Travis Payne
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  215   Comments: 0
UP 3985 rolling South
Title:  UP 3985 rolling South
Description:  My wife Judy took this while we were barrelling down the road, through the back seat window, with her CELL PHONE!
Photo Date:  10/7/2010  Upload Date: 10/16/2010 2:42:57 PM
Location:  Valmeyer, IL
Author:  judy hamilton
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  349   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/7/2010 11:13:31 PM
Location:  Gorham, IL
Author:  Brandon Warnick
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  266   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Challenger southbound at Menard Junction
Photo Date:  10/7/2010  Upload Date: 1/11/2013 6:27:55 PM
Location:  Chester, IL
Author:  Kurt I. Jensen
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  260   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Challenger northbound leavinjg Gorham
Photo Date:  10/7/2010  Upload Date: 1/11/2013 6:29:20 PM
Location:  Gorham, IL
Author:  Kurt I. Jensen
Categories:  Steam,Signal,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  327   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Challenger northbound leavinjg Gorham
Photo Date:  10/7/2010  Upload Date: 1/11/2013 6:30:11 PM
Location:  Gorham, IL
Author:  Kurt I. Jensen
Categories:  Steam,Signal,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  247   Comments: 0
UP 3985
Title:  UP 3985
Description:  The steam beast at Old Bluff Rd
Photo Date:  10/7/2010  Upload Date: 10/10/2010 8:45:14 PM
Location:  Valmeyer, IL
Author:  Butch Getz
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  383   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 approaches the Water St crossing in Chester on her return trip.
Photo Date:  10/7/2010  Upload Date: 10/10/2010 9:30:09 PM
Location:  Chester, IL
Author:  Butch Getz
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  304   Comments: 0
UP 3985
Title:  UP 3985
Description:  A bit closer to Water St in Chester IL.
Photo Date:  10/7/2010  Upload Date: 10/10/2010 9:37:11 PM
Location:  Chester, IL
Author:  Butch Getz
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  395   Comments: 0
UP 3985 waits at the crossover.......
Title:  UP 3985 waits at the crossover.......
Description:  It was a good day for a chase for this beast. This is on the return from Gorham.......here it waits at the crossover near Moredock Lake, as track work and other trains have brought it to a stop.
Photo Date:  10/7/2010  Upload Date: 4/9/2014 7:59:15 PM
Location:  Valmeyer, IL
Author:  Butch Getz
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  251   Comments: 0
UP 3985 hits the switches........
Title:  UP 3985 hits the switches........
Description:  After sitting for about 15 or 20 minutes, it's on the move again near Moredock lake.
Photo Date:  10/7/2010  Upload Date: 4/9/2014 8:01:16 PM
Location:  Valmeyer, IL
Author:  Butch Getz
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  262   Comments: 1
UP 3985
Title:  UP 3985
Description:  On the bridge into St Louis
Photo Date:  10/7/2010  Upload Date: 10/10/2010 10:02:46 PM
Location:  East Saint Louis, IL
Author:  Butch Getz
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  443   Comments: 0
Union Pacific #3985 "Challenger" leading "Missouri River Eagle" through southern Illinois
Title:  Union Pacific #3985 "Challenger" leading "Missouri River Eagle" through southern Illinois
Description:  The Union Pacific #3985 "Challenger" leading the "Missouri River Eagle" north past Harris Road, near Valmeyer, IL as it makes its return trip to St. Louis from Gorham, IL on October 7, 2010
Photo Date:  10/7/2010  Upload Date: 10/10/2010 12:13:14 PM
Location:  Valmeyer, IL
Author:  William Acord
Categories:  Scenic,Steam,Passenger
Locomotives:  UP 3985(4-6-6-4)
Views:  369   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:04:31 PM
Location:  Columbia, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  290   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:05:03 PM
Location:  Columbia, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  289   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:05:54 PM
Location:  Fountain, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  294   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:45:40 PM
Location:  Valmeyer, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  205   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:46:38 PM
Location:  Valmeyer, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  258   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/18/2010 4:47:04 PM
Location:  Valmeyer, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  266   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/19/2010 6:43:03 PM
Location:  East Saint Louis, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  248   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/7/2010  Upload Date: 10/19/2010 6:43:29 PM
Location:  East Saint Louis, IL
Author:  Tracy Bone
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  244   Comments: 2
Baking in the morning sun
Title:  Baking in the morning sun
Description: 
Photo Date:  10/7/2010  Upload Date: 10/16/2010 2:43:17 PM
Location:  Saint Louis, MO
Author:  steven hamilton
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  189   Comments: 0
UP 3985
Title:  UP 3985
Description:  I think I can, I think I can!
Photo Date:  10/7/2010  Upload Date: 10/16/2010 2:43:33 PM
Location:  Saint Louis, MO
Author:  steven hamilton
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  202   Comments: 0


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