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4/4/2025
 
 
 
 
 
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 Cab, 809, 814 + 904304
Title:  UP 3985 Cab, 809, 814 + 904304
Description: 
Photo Date:  6/21/2002  Upload Date: 2/18/2025 11:28:39 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  114   Comments: 0
UP 3985 & the Crossing
Title:  UP 3985 & the Crossing
Description: 
Photo Date:  6/21/2002  Upload Date: 12/29/2024 7:31:43 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  111   Comments: 0
UP 3985 Fuel Tanks, Fire Box, Cab & Tender
Title:  UP 3985 Fuel Tanks, Fire Box, Cab & Tender
Description: 
Photo Date:  6/21/2002  Upload Date: 11/14/2022 8:39:20 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  255   Comments: 0
UP 3985 & Me in the Rain
Title:  UP 3985 & Me in the Rain
Description: 
Photo Date:  6/21/2002  Upload Date: 2/3/2014 10:06:14 AM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  1208   Comments: 0
UP 3985 Rainy Day
Title:  UP 3985 Rainy Day
Description: 
Photo Date:  6/21/2002  Upload Date: 12/26/2024 8:37:05 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  122   Comments: 0
UP 3985 Smokes up
Title:  UP 3985 Smokes up
Description: 
Photo Date:  6/21/2002  Upload Date: 12/27/2024 10:28:04 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  106   Comments: 0
UP 3985 & Yellow Tape
Title:  UP 3985 & Yellow Tape
Description: 
Photo Date:  6/21/2002  Upload Date: 12/29/2024 7:31:44 PM
Location:  South Saint Paul, MN
Author:  Andrew Goblirsch
Categories:  Track
Locomotives:  UP 3985(4-6-6-4)
Views:  108   Comments: 0
Pounding southbound
Title:  Pounding southbound
Description: 
Photo Date:  6/22/2002  Upload Date: 4/23/2009 9:11:35 PM
Location:  Clarks Grove, MN
Author:  Paul Leach
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  345   Comments: 0
Easing through town
Title:  Easing through town
Description: 
Photo Date:  6/22/2002  Upload Date: 4/23/2009 9:10:13 PM
Location:  Northfield, MN
Author:  Paul Leach
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  460   Comments: 0
Excursion rolling southbound
Title:  Excursion rolling southbound
Description: 
Photo Date:  6/22/2002  Upload Date: 4/23/2009 9:10:52 PM
Location:  Medford, MN
Author:  Paul Leach
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  343   Comments: 0
UP 3985 heading for Des Moines
Title:  UP 3985 heading for Des Moines
Description: 
Photo Date:  7/1/2002  Upload Date: 10/31/2008 12:36:25 PM
Location:  Medford, MN
Author:  Jim Hinshaw
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  386   Comments: 0
UP 3985
Title:  UP 3985
Description:  The Cheyenne Frontier Days trin on the curve at La Salle
Photo Date:  7/20/2002  Upload Date: 9/15/2016 7:47:08 PM
Location:  La Salle, CO
Author:  Richard Kundert
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  273   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:58:38 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  448   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:58:27 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  399   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:58:51 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  468   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:59:08 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  395   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:59:23 PM
Location:  Marshalltown, IA
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  417   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:59:33 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  415   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 4:59:48 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  395   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:00:06 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  431   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:00:22 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  682   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:00:34 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  542   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:00:51 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  381   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:01:06 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  441   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:01:19 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  449   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:10:33 PM
Location:  Marshalltown, IA
Author:  Jim Sands
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  440   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:10:51 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  378   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:11:03 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  433   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:11:24 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  450   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:11:38 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  719   Comments: 2
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:11:53 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  438   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:12:11 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  761   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:12:33 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  482   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:14:42 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  603   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:14:55 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  638   Comments: 0
UP 3985 on way to Boone
Title:  UP 3985 on way to Boone
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:15:21 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  437   Comments: 0
UP 3985 on way to Boone
Title:  UP 3985 on way to Boone
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 5:15:35 PM
Location:  Marshalltown, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  414   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:17:51 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  429   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:18:07 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  438   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:18:56 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  429   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:18:22 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  493   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:31:28 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  417   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:31:43 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  447   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:32:04 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  463   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:32:24 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  539   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:32:37 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  562   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:32:51 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  515   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:33:26 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  381   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:33:39 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  599   Comments: 0
UP 3985
Title:  UP 3985
Description: 
Photo Date:  9/23/2002  Upload Date: 2/23/2006 6:33:58 PM
Location:  Boone, IA
Author:  Joe Ludley
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  540   Comments: 1


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