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6/15/2025
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Home > Union Pacific Railroad Company > Locomotives > Alco 4-6-6-4 > UP 3985
Pictures of UP 3985
 
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 steam train
Title:  UP 3985 steam train
Description:  UP passenger train running back to home base in Cheyenne WY 3 miles northwest of Topeka KS
Photo Date:  6/23/2001  Upload Date: 12/18/2004 12:33:33 PM
Location:  Topeka, KS
Author:  Eric Burris
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  782   Comments: 0
UP 3985
Title:  UP 3985
Description:  NRHS Sprcial speeds north on UP's Chester Sub. over the Kaskaskia River.
Photo Date:  7/1/2001  Upload Date: 5/17/2008 2:42:08 AM
Location:  Roots, IL
Author:  Terry Redeker
Categories:  Roster,Scenic,Bridge,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  649   Comments: 1
UP 3985
Title:  UP 3985
Description:  NRHS Special has just been wyed in Gorham and is ready to head back to St.Louis.
Photo Date:  7/1/2001  Upload Date: 5/17/2008 2:44:55 AM
Location:  Gorham, IL
Author:  Terry Redeker
Categories:  Roster,Yard,Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  781   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP Challenger 3985 rolls south through Ault with a Cheyenne Fronuier Days deadhead move to Denver
Photo Date:  7/19/2001  Upload Date: 9/15/2016 7:40:08 PM
Location:  Ault, CO
Author:  Richard Kundert
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  353   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/28/2001  Upload Date: 10/28/2011 6:52:34 PM
Location:  West Chicago, IL
Author:  max linder
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  433   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/28/2001  Upload Date: 10/28/2011 6:52:40 PM
Location:  West Chicago, IL
Author:  Mike Conn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  625   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/16/2001  Upload Date: 1/27/2006 10:33:47 PM
Location:  Davenport, NE
Author:  Bob Wilcox
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1011   Comments: 0
Challenger makes early moring departure
Title:  Challenger makes early moring departure
Description: 
Photo Date:  10/17/2001  Upload Date: 1/27/2006 9:56:06 PM
Location:  Marysville, KS
Author:  Bob Wilcox
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1204   Comments: 2
Reason I took Pictures
Title:  Reason I took Pictures
Description:  In the first place. I'd heard from a friend that this was coming into town. I decided to see it.
Photo Date:  6/1/2002  Upload Date: 11/22/2005 2:00:05 PM
Location:  Council Bluffs, IA
Author:  Rick C
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  480   Comments: 0
Stopped
Title:  Stopped
Description:  The day after the 3985 was at Council Bluff's Golden Spike Park she went for an excursion to Sargent Bluff IA and back. I followed from Honey Creek IA and took this from the Hwy 30 overpass.
Photo Date:  6/1/2002  Upload Date: 11/22/2005 2:17:18 PM
Location:  Missouri Valley, IA
Author:  Rick C
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  841   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:26 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  572   Comments: 66650113
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 6/10/2002 12:00:00 AM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  520   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:27 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  505   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:28 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  639   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:29 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  630   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:29 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  788   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:30 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  612   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:30 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  584   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:31 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  629   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 8/17/2723 3:06:32 PM
Location:  Boone, IA
Author:  Matt Carlson
Categories:  InCab,Yard
Locomotives:  UP 3985(4-6-6-4)
Views:  763   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:37 PM
Location:  Denison, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  585   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:38 PM
Location:  Denison, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  644   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:39 PM
Location:  Denison, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  516   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/10/2002  Upload Date: 11/24/2005 3:06:39 PM
Location:  Denison, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  613   Comments: 0
UP 3985
Title:  UP 3985
Description:  In the summer of 2002, UP hosted a number of excursions out of Chicago to Butler. Here we see the Challenger on the trestle over the CP mainline and Watertown-Plank Rd.
Photo Date:  6/10/2002  Upload Date: 1/19/2005 9:50:35 PM
Location:  Wauwatosa, WI
Author:  Brian Connolly
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  889   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:24 PM
Location:  Bertram, IA
Author:  Matt Carl
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  427   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:24 PM
Location:  Bertram, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  440   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:33 PM
Location:  Aiken, ID
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  730   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:40 PM
Location:  Le Grand, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  509   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:42 PM
Location:  Le Grand, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  513   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:42 PM
Location:  Tama, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  453   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:43 PM
Location:  Tama, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  421   Comments: 0
UP 3:85
Title:  UP 3:85
Description: 
Photo Date:  6/11/2002  Upload Date: 11/24/2005 3:06:28 PM
Location:  Tama, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  449   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/12/2002  Upload Date: 11/24/2005 3:06:35 PM
Location:  Clinton, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  556   Comments: 3
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/12/2002  Upload Date: 11/24/2005 3:06:35 PM
Location:  Clinton, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  408   Comments: 0
UP 3981
Title:  UP 3981
Description: 
Photo Date:  6/12/2002  Upload Date: 11/24/2005 3:06:36 PM
Location:  Clinton, IA
Author:  Matt Carlson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  342   Comments: 0
UP 3985
Title:  UP 3985
Description:  West through the suburbs.
Photo Date:  6/15/2002  Upload Date: 11/26/2004 8:18:00 PM
Location:  Wheaton, IL
Author:  Todd Morgan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1027   Comments: 1
UP Challenger 3985 stops
Title:  UP Challenger 3985 stops
Description: 
Photo Date:  6/16/2002  Upload Date: 2/6/2004 11:39:08 PM
Location:  West Chicago, IL
Author:  Davie Hallman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  918   Comments: 3
UP 3985 pulls an excursion
Title:  UP 3985 pulls an excursion
Description: 
Photo Date:  6/16/2002  Upload Date: 2/6/2004 11:39:08 PM
Location:  West Chicago, IL
Author:  David Hallman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1098   Comments: 0
UP Challenger 3985 gets moving on it's way to WisconsiT
Title:  UP Challenger 3985 gets moving on it's way to WisconsiT
Description: 
Photo Date:  6/16/2002  Upload Date: 2/6/2004 11:39:08 PM
Location:  West Chicago, IL
Author:  David Hallman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  688   Comments: 0
UP 3985
Title:  UP 3985
Description:  Putting on a good show on her way to Milwaukee.
Photo Date:  6/16/2002  Upload Date: 11/26/2004 8:21:57 PM
Location:  Des Plaines, IL
Author:  Todd Morgan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  548   Comments: 0
UP 3985
Title:  UP 3985
Description:  Luckily that coal train in the distance cleared in time!
Photo Date:  6/16/2002  Upload Date: 11/26/2004 8:24:40 PM
Location:  Winfield, IL
Author:  Todd Morgan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  541   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  6/17/2002  Upload Date: 5/15/2009 3:38:10 AM
Location:  Nelson, IL
Author:  Larry Gholson
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  474   Comments: 0
3985 "Challenger"
Title:  3985 "Challenger"
Description:  The special Union Pacific steam train is seen departing West Chicago, Illinois, June 18, 2002 heading west. It is headed to Saint Paul, Minnesota to be displayed later. At this time the 4-6-6-4 “Challenger” steam locomotive, #3985, is the largest operating in the world. There are two sets of driving wheels and the frame is “articulated.” This way the wheels turn separately of the main frame to operate better where the track has tight turns. This engine was built in 1943. UP retired it from regular service in 1957. It was restored to operation once again in 1981 for use on special trips by UP. They converted it to run with oil instead of coal in 1990. UP ordered 105 “Challenger” locomotives between 1936 and 1943. They are about 122 feet long and weigh more than 1 million pounds. 3985 is the only one in operation of the two remaining. That is me (RLJ II) on the left videotaping at age 18. (Canon 35mm S.L.R. camera, Kodak Gold 800 print film)
Photo Date:  6/18/2002  Upload Date: 5/8/2019 8:54:52 AM
Location:  West Chicago, IL
Author:  Robert Jackson (father)
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  706   Comments: 2
UP "Challenger" #3985 at West Chicago
Title:  UP "Challenger" #3985 at West Chicago
Description:  The special Union Pacific steam train is seen departing West Chicago, Illinois, June 18, 2002 heading west. It is headed to Saint Paul, Minnesota to be displayed later. At this time the 4-6-6-4 “Challenger” steam locomotive, #3985, is the largest operating in the world. There are two sets of driving wheels and the frame is “articulated.” This way the wheels turn separately of the main frame to operate better where the track has tight turns. This engine was built in 1943. UP retired it from regular service in 1957. It was restored to operation once again in 1981 for use on special trips by UP. They converted it to run with oil instead of coal in 1990. UP ordered 105 “Challenger” locomotives between 1936 and 1943. They are about 122 feet long and weigh more than 1 million pounds. 3985 is the only one in operation of the two remaining. (Canon 35mm S.L.R. camera, Kodak Gold 800 print film)
Photo Date:  6/18/2002  Upload Date: 5/8/2019 9:48:04 AM
Location:  West Chicago, IL
Author:  Robert Jackson (father)
Categories:  Station,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  917   Comments: 2
UP "Challenger" #3985 steam engine!!!!
Title:  UP "Challenger" #3985 steam engine!!!!
Description:  The special Union Pacific steam train is seen departing West Chicago, Illinois, June 18, 2002 heading west. It is headed to Saint Paul, Minnesota to be displayed later. At this time the 4-6-6-4 “Challenger” steam locomotive, #3985, is the largest operating in the world. There are two sets of driving wheels and the frame is “articulated.” This way the wheels turn separately of the main frame to operate better where the track has tight turns. This engine was built in 1943. UP retired it from regular service in 1957. It was restored to operation once again in 1981 for use on special trips by UP. They converted it to run with oil instead of coal in 1990. UP ordered 105 “Challenger” locomotives between 1936 and 1943. They are about 122 feet long and weigh more than 1 million pounds. 3985 is the only one in operation of the two remaining. That is me (RLJ II) on the left videotaping at age 18. (Canon 35mm S.L.R. camera, Kodak Gold 800 print film)
Photo Date:  6/18/2002  Upload Date: 5/8/2019 8:51:08 AM
Location:  West Chicago, IL
Author:  Robert Jackson (father)
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  615   Comments: 2
UP 3985
Title:  UP 3985
Description:  3985 heading south after a visit to St. Paul, MN
Photo Date:  6/20/2002  Upload Date: 6/24/2007 12:22:25 AM
Location:  Rosemount, MN
Author:  Rick Oswald
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1030   Comments: 6
UP 3985, 809, 814 + 13x Car Train
Title:  UP 3985, 809, 814 + 13x Car Train
Description: 
Photo Date:  6/21/2002  Upload Date: 12/27/2024 10:28:02 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  350   Comments: 0

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