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6/17/2025
 
 
 
 
 
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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The Steam Program Sunbathing
Title:  The Steam Program Sunbathing
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 10:54:05 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 6936(DDA40X) UP 3985(4-6-6-4)
Views:  993   Comments: 0
The Tender-less Challenger
Title:  The Tender-less Challenger
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 10:59:48 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  706   Comments: 0
The Steam Porgram's Matinace Shed
Title:  The Steam Porgram's Matinace Shed
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 11:06:34 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 6936(DDA40X) UP 3985(4-6-6-4)
Views:  641   Comments: 0
Looking Into The Cab
Title:  Looking Into The Cab
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 11:10:19 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  414   Comments: 0
UP 3985 Tender-less
Title:  UP 3985 Tender-less
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 11:12:24 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  394   Comments: 0
UP's Steam Pogram Outside
Title:  UP's Steam Pogram Outside
Description: 
Photo Date:  6/6/2009  Upload Date: 6/12/2009 11:57:20 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 6936(DDA40X) UP 3985(4-6-6-4)
Views:  1042   Comments: 0
UP 3985's Cab
Title:  UP 3985's Cab
Description:  Getting up close with 3985, can even be done from a overpass over the yard.
Photo Date:  6/6/2009  Upload Date: 6/13/2009 12:45:08 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1557   Comments: 0
UP 3985 Closed Up
Title:  UP 3985 Closed Up
Description:  Well...the cab is atleast
Photo Date:  6/6/2009  Upload Date: 6/13/2009 1:06:18 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  468   Comments: 0
Tender-less 3985
Title:  Tender-less 3985
Description: 
Photo Date:  6/6/2009  Upload Date: 6/13/2009 1:17:17 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  574   Comments: 0
 STEAM
Title:  STEAM
Description:  UP's true "Big Power" was in the shop in Cheyenne getting serviced and ready to go back to work. You have to be special like me and my buddy to get into the shops. ;)
Photo Date:  6/7/2009  Upload Date: 6/7/2009 9:02:12 PM
Location:  Cheyenne, WY
Author:  amtrakswchief 4
Categories: 
Locomotives:  UP 3985(4-6-6-4) UP 844(4-8-4)
Views:  800   Comments: 0
UP 3985 United Way Sign
Title:  UP 3985 United Way Sign
Description:  Next to the station in Rawlins
Photo Date:  6/27/2009  Upload Date: 7/1/2009 12:56:00 AM
Location:  Rawlins, WY
Author:  Terry Redeker
Categories:  Station
Locomotives:  UP 3985(4-6-6-4)
Views:  457   Comments: 0
LOOK!
Title:  LOOK!
Description:  I peeked around the open steam shop door and lookey what I found!!!! :D
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:21:52 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  435   Comments: 3
UP 3985
Title:  UP 3985
Description:  UP 3985 sitting in the Cheyenne steam shops undergoing repairs. It's supposed to be out and running again in 2010!
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:22:54 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  343   Comments: 3
UP 3985
Title:  UP 3985
Description:  UP 3985 sitting in the Cheyenne steam shops undergoing repairs. It's supposed to be out and running again in 2010!
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:23:09 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  262   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 sitting in the Cheyenne steam shops undergoing repairs. It's supposed to be out and running again in 2010!
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:23:24 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  362   Comments: 0
Me and UP 3985
Title:  Me and UP 3985
Description:  Me posing in front of UP 3985 in the Cheyenne steam shops. Sorry the picture is so blurry.
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:24:01 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  432   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 sitting in the Cheyenne steam shops undergoing repairs. It's supposed to be out and running again in 2010!
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:24:17 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  286   Comments: 0
In the shadows...
Title:  In the shadows...
Description:  UP 3985 hiding in the shadows - yeah she's cool.....
Photo Date:  9/17/2009  Upload Date: 10/22/2009 6:24:38 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  286   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 sitting in the Cheyenne steam shops undergoing repairs. It's supposed to be out and running again in 2010!
Photo Date:  9/21/2009  Upload Date: 10/25/2009 4:48:21 PM
Location:  Cheyenne, WY
Author:  Jenny Vaughn
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  274   Comments: 0
UP 3985's Numberboards
Title:  UP 3985's Numberboards
Description: 
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:42:40 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  373   Comments: 0
UP 3985 Head-On
Title:  UP 3985 Head-On
Description: 
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:44:17 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  498   Comments: 0
Looking Up, UP 3985
Title:  Looking Up, UP 3985
Description: 
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:48:21 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  350   Comments: 0
Headlight, Numberboards
Title:  Headlight, Numberboards
Description:  To bad the lighting was pretty poor the day I strolled through.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:49:18 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  377   Comments: 0
Whoops!!!
Title:  Whoops!!!
Description:  A member of the Up Steam Program's mechinical department is captured rolling over before getting his barings, and standing up. Work was beeing done on the 3985's pilot wheels.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:50:38 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  481   Comments: 0
UP 3985, Pilot Truck Work
Title:  UP 3985, Pilot Truck Work
Description:  Pretty easy to see.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 10:58:42 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  634   Comments: 0
The Head-Hancho Checking Things
Title:  The Head-Hancho Checking Things
Description:  Steve Lee strolls up to the 3985 to see how reparis are doing on the piolt wheels.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 11:16:32 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  585   Comments: 1
Checking Things Out
Title:  Checking Things Out
Description:  A mechanical shop member of the Steam crew checks on one of 3985's drive wheels.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 11:07:05 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  410   Comments: 0
UP 3985, Side View
Title:  UP 3985, Side View
Description: 
Photo Date:  1/4/2010  Upload Date: 2/1/2010 11:08:18 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  507   Comments: 0
UP 844 & Challenger
Title:  UP 844 & Challenger
Description:  Lighting was poor unfortunatly, and I was a tad rushed to take this.
Photo Date:  1/4/2010  Upload Date: 2/1/2010 11:09:38 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 844(4-8-4) UP 3985(4-6-6-4)
Views:  847   Comments: 1
UP 3985 Front Drivers
Title:  UP 3985 Front Drivers
Description: 
Photo Date:  1/4/2010  Upload Date: 2/1/2010 11:10:50 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  427   Comments: 0
UP 3985's Tender Lettering
Title:  UP 3985's Tender Lettering
Description:  As the title states.
Photo Date:  1/4/2010  Upload Date: 2/7/2010 2:06:36 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  384   Comments: 0
UP 3985 Tender
Title:  UP 3985 Tender
Description: 
Photo Date:  1/4/2010  Upload Date: 2/7/2010 2:11:55 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  226   Comments: 0
Working On UP 3985
Title:  Working On UP 3985
Description:  The Challenger can tend to be a challenge at times ;-)
Photo Date:  1/4/2010  Upload Date: 2/7/2010 2:16:07 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories:  Yard
Locomotives:  UP 3985(4-6-6-4)
Views:  234   Comments: 0
3985's Boiler Platings
Title:  3985's Boiler Platings
Description: 
Photo Date:  1/4/2010  Upload Date: 2/7/2010 2:18:27 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  259   Comments: 0
The SuperHeater CO Warrent, UP 3985
Title:  The SuperHeater CO Warrent, UP 3985
Description: 
Photo Date:  1/4/2010  Upload Date: 2/7/2010 2:19:47 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  343   Comments: 0
UP 3985, 844, & UP 5449
Title:  UP 3985, 844, & UP 5449
Description:  Safety first as always!
Photo Date:  1/4/2010  Upload Date: 2/7/2010 3:27:45 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories:  Scenic,Yard,Steam,Track,Action
Locomotives:  UP 3985(4-6-6-4) UP 844(4-8-4)
Views:  1308   Comments: 0
UP 3985 Cab Right-Side
Title:  UP 3985 Cab Right-Side
Description:  How much safetly can you handle lol.
Photo Date:  1/4/2010  Upload Date: 2/7/2010 3:44:49 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  611   Comments: 0
UP 3985's "BIG" Pin Hole
Title:  UP 3985's "BIG" Pin Hole
Description:  What you see when the tender itsn't around. A mere forklift can be used to push the engine around.
Photo Date:  1/4/2010  Upload Date: 2/7/2010 3:47:35 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  360   Comments: 0
Challengers Tender Again
Title:  Challengers Tender Again
Description:  Made another grab at this kinda shot, not on the other side.
Photo Date:  1/4/2010  Upload Date: 2/7/2010 4:01:54 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  317   Comments: 0
UP 3985's Cab, Looking Up
Title:  UP 3985's Cab, Looking Up
Description: 
Photo Date:  1/4/2010  Upload Date: 2/8/2010 1:20:50 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  310   Comments: 0
UP 3985 Cab Left-Side
Title:  UP 3985 Cab Left-Side
Description: 
Photo Date:  1/4/2010  Upload Date: 2/8/2010 1:22:16 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  236   Comments: 0
UP 3985 Drivers
Title:  UP 3985 Drivers
Description: 
Photo Date:  1/4/2010  Upload Date: 2/8/2010 1:29:36 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  208   Comments: 0
UP 3985's Current Pilot Wheel
Title:  UP 3985's Current Pilot Wheel
Description:  One of two currently under the 3985.
Photo Date:  1/4/2010  Upload Date: 2/8/2010 1:31:06 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  292   Comments: 1
General Steel Castings CORP Patents, UP 3985
Title:  General Steel Castings CORP Patents, UP 3985
Description: 
Photo Date:  1/4/2010  Upload Date: 2/8/2010 1:32:39 AM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  324   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 Undergoing Preheater testing a front Truck Repair
Photo Date:  5/17/2010  Upload Date: 6/27/2010 3:44:25 PM
Location:  Cheyenne, WY
Author:  Gary Danford
Categories:  Roster,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  469   Comments: 0
UP X3985
Title:  UP X3985
Description:  UP X3985
Photo Date:  5/17/2010  Upload Date: 6/7/2010 8:38:23 PM
Location:  Cheyenne, WY
Author:  Gary Danford
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  593   Comments: 0
UP 3985 Tucked Away
Title:  UP 3985 Tucked Away
Description:  UP 3985, Challenger, is seen still being overhauled.
Photo Date:  7/24/2010  Upload Date: 8/19/2010 10:11:31 PM
Location:  Cheyenne, WY
Author:  Alex Gillman
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  283   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  7/26/2010  Upload Date: 4/3/2013 9:28:43 PM
Location:  Cheyenne, WY
Author:  Wil Hat_
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  278   Comments: 0
"It was this big..."
Title:  "It was this big..."
Description: 
Photo Date:  7/26/2010  Upload Date: 4/3/2013 9:32:27 PM
Location:  Cheyenne, WY
Author:  Wil Hata
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  382   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 undergoing repairs.
Photo Date:  7/26/2010  Upload Date: 9/22/2010 9:30:41 AM
Location:  Cheyenne, WY
Author:  Wil Hata
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  504   Comments: 0


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