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11/21/2025
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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
Title:  UP 3985
Description:  CHEYENNE WY September1971 -- My first trip taking pictures of trains included a visit to my sister in Cheyenne. I didn't have a clue what I was seeing but I thought it was neat. I took this overall first. (Date approximate)
Photo Date:  9/1/1971  Upload Date: 9/2/2011 6:51:48 PM
Location:  Cheyenne, WY
Author:  Charles Stookey
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  4663   Comments: 2
UP 3985
Title:  UP 3985
Description:  CHEYENNE WY September 1971 -- Challenger 3985 patiently awaits restoration. I had no idea at the time that this locomotive would once again run under steam. (Date apprxomate)
Photo Date:  9/1/1971  Upload Date: 9/2/2011 6:53:24 PM
Location:  Cheyenne, WY
Author:  Charles Stookey
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  8026   Comments: 3
1093-31 UP 3985 on display next to the depot before she became famous
Title:  1093-31 UP 3985 on display next to the depot before she became famous
Description: 
Photo Date:  10/1/1977  Upload Date: 4/30/2007 12:07:23 PM
Location:  Cheyenne, WY
Author:  John Hill
Categories:  Roster,Station,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  7111   Comments: 2
3985 reborn
Title:  3985 reborn
Description:  UP Challenger 3985 was on static display at Cheyenne, WY for many years. Then some employees got the notion it might run again. Here, in September of 1979, a burro crane has laid panels to the Challenger, the fence has been removed and geep 327 shepherds the locomotive, with prodigious oiling of valve and driving gear, west to Tower "A" for a reverse move back towards the roundhouse where the capable steam crew will embark upon the process of readying the sleek beauty for many years of excursion service.
Photo Date:  9/10/1979  Upload Date: 2/5/2012 2:36:11 AM
Location:  Cheyenne, WY
Author:  Rick Erben
Categories:  Steam,Action
Locomotives:  UP 327(GP9) UP 3985(4-6-6-4)
Views:  4208   Comments: 3
UP Challenger X3985
Title:  UP Challenger X3985
Description:  UP Challenger"X3985 rests in the roundhouse at Cheyenne, WY in the winter of 1981. Scanned 3x5 print. By permission. Date approximate.
Photo Date:  3/1/1981  Upload Date: 3/11/2017 4:39:34 PM
Location:  Cheyenne, WY
Author:  Andrew J. Erlichman
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  1502   Comments: 0
UP Challenger X3985
Title:  UP Challenger X3985
Description:  UP Challenger X3985 rests in the roundhouse at Cheyenne, WY in thy winter of 1981. Scanned 3x5 print. By permission. Date approximate.
Photo Date:  3/1/1981  Upload Date: 3/11/2017 4:39:59 PM
Location:  Cheyenne, WY
Author:  Andrew J. Erlichman
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  1702   Comments: 0
UP 8444 heading west
Title:  UP 8444 heading west
Description:  Randy Curlin Collection
Photo Date:  4/23/1981  Upload Date: 9/14/2025 1:34:37 PM
Location:  Hanna, WY
Author:  Randy Curlin Collection
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  178   Comments: 0
UP 8444 West
Title:  UP 8444 West
Description:  Randy Curlin Collection
Photo Date:  4/24/1981  Upload Date: 9/4/2024 12:12:24 PM
Location:  Castle Rock, UT
Author:  Randy Curlin Collection
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  553   Comments: 1
UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Title:  UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Description:  Harold A Edmonson photo
Photo Date:  4/24/1981  Upload Date: 2/1/2025 1:52:34 AM
Location:  Carter, WY
Author:  Harold A Edmonson
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  617   Comments: 3
UP 3985 at Winnemucca
Title:  UP 3985 at Winnemucca
Description:  Bob Wilt photo
Photo Date:  4/27/1981  Upload Date: 9/5/2024 8:12:19 AM
Location:  Winnemucca, NV
Author:  Bob Wilt
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4) SP 7362(SD40R)
Views:  713   Comments: 0
UPs 8444 and 3985 at Colfax, CAUntitled
Title:  UPs 8444 and 3985 at Colfax, CAUntitled
Description:  Ups 8444 and 3985 are departing Colfax, CA for Railfair 1981 at Sacramento, CA
Photo Date:  4/29/1981  Upload Date: 10/2/2023 1:32:49 PM
Location:  Colfax, CA
Author:  B Douglas Jensen
Categories:  Roster,Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4) SP 7362(SD40R) SP 7326(SD40R)
Views:  1122   Comments: 0
UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Title:  UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Description:  Keith E Ardinger photo
Photo Date:  4/29/1981  Upload Date: 6/10/2023 2:01:57 AM
Location:  Bowman, CA
Author:  Keith E Ardinger
Categories:  Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  829   Comments: 1
UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Title:  UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Description:  Keith E Ardinger photo
Photo Date:  4/29/1981  Upload Date: 9/24/2023 4:12:03 AM
Location:  Dutch Flat, CA
Author:  Keith E Ardinger
Categories:  Steam,Signal,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  759   Comments: 1
UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Title:  UP 8444 Steam Special on the way to the 1981 Sacramento Railfair
Description:  Bob Black photo
Photo Date:  4/29/1981  Upload Date: 2/13/2025 4:12:10 AM
Location:  Gold Run, CA
Author:  Bob Black
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  555   Comments: 0
UP 8444 going to 1981 Railfair
Title:  UP 8444 going to 1981 Railfair
Description:  Tom Gildersleeve set
Photo Date:  4/29/1981  Upload Date: 5/22/2025 4:58:19 PM
Location:  Yuba Pass, CA
Author:  Tom Gildersleeve
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  376   Comments: 0
UP 8444 heading west to Railfair 1981
Title:  UP 8444 heading west to Railfair 1981
Description:  Steve Gartner photo
Photo Date:  4/29/1981  Upload Date: 7/27/2025 12:22:17 PM
Location:  Boca, CA
Author:  Steve Gartner
Categories:  Steam,Signal,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4) SP 7362(SD40R) SP 7326(SD40R)
Views:  341   Comments: 0
UP 8444 steaming ro Sacramento Railfair
Title:  UP 8444 steaming ro Sacramento Railfair
Description:  Randy Curlin Collection
Photo Date:  4/29/1981  Upload Date: 8/10/2025 7:27:15 PM
Location:  Magra, CA
Author:  Randy Curlin Collection
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  162   Comments: 0
UP 8444 & 3985
Title:  UP 8444 & 3985
Description:  En route to CSRM and Railfair '81. Will stop in Truckee for viewing by the locals.
Photo Date:  5/1/1981  Upload Date: 12/15/2020 7:56:56 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1162   Comments: 0
UP 8444 & 3985
Title:  UP 8444 & 3985
Description:  Passing under signal bridge 2092 at East Truckee en route to the CSRM and Railfair 81. Train will stop at Truckee for about an hour.
Photo Date:  5/1/1981  Upload Date: 12/15/2020 8:06:09 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Yard,Steam,Signal,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1538   Comments: 0
UP 8444 & 3985
Title:  UP 8444 & 3985
Description:  Approaching the east switch of the WB siding and a stop at Truckee en route to the CSRM and Railfair 81.
Photo Date:  5/1/1981  Upload Date: 12/15/2020 8:15:47 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Yard,Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1125   Comments: 0
UP 8444 & 3985 arriving.
Title:  UP 8444 & 3985 arriving.
Description:  En route to the newly opened CSRM and Railfair 81. The spreaders (right) are still in town.
Photo Date:  5/1/1981  Upload Date: 12/22/2020 2:43:28 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Station,Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1014   Comments: 0
UP 8444
Title:  UP 8444
Description:  At Truckee. En route to the newly opened CSRM at Sacramento and Railfair 81. I asked the blonde kneeling to take a picture for a date.
Photo Date:  5/1/1981  Upload Date: 12/22/2020 3:12:53 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Station,Steam,Passenger
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1086   Comments: 0
UP 8444 and 3985 leaving WB for Norden.
Title:  UP 8444 and 3985 leaving WB for Norden.
Description:  En route to CSRM and Railfair 81. Taken from signal bridge at the west end of the crossovers. Getting ready for the smoke.
Photo Date:  5/1/1981  Upload Date: 12/22/2020 3:25:28 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Signal,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1139   Comments: 0
UP 8444 & 3985
Title:  UP 8444 & 3985
Description:  Leaving for Norden. Engineer shut off, saving me a smokeout.
Photo Date:  5/1/1981  Upload Date: 12/22/2020 3:51:17 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1226   Comments: 0
UP 3985
Title:  UP 3985
Description:  Passing WB under signal bridge. Unit was still a coal fired locomotive.
Photo Date:  5/1/1981  Upload Date: 12/22/2020 4:28:08 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  1105   Comments: 0
WB to Norden
Title:  WB to Norden
Description:  UP 8444 & 3985
Photo Date:  5/1/1981  Upload Date: 1/11/2021 6:51:12 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1075   Comments: 0
UP 8444 & 3985
Title:  UP 8444 & 3985
Description:  On the old Transcontinental Track heading to Norden.
Photo Date:  5/1/1981  Upload Date: 1/11/2021 7:02:21 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1045   Comments: 0
UP 8444 & 3985 WB toward Norden
Title:  UP 8444 & 3985 WB toward Norden
Description:  In between snowsheds on the old transcontinental line.
Photo Date:  5/1/1981  Upload Date: 1/11/2021 7:19:50 PM
Location:  Truckee, CA
Author:  Bruce Flaws
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  992   Comments: 0
UP 8444 West near Planehaven
Title:  UP 8444 West near Planehaven
Description:  Randy Curlin Collection
Photo Date:  5/1/1981  Upload Date: 10/5/2024 4:17:11 AM
Location:  Sacramento, CA
Author:  Randy Curlin Collection
Categories:  Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  565   Comments: 1
UP 3985
Title:  UP 3985
Description:  Opening weekend of the CSRM and Railfair 81 at Sacramento, CA. NdeM GE Uboat in background.
Photo Date:  5/2/1981  Upload Date: 1/11/2021 7:49:31 PM
Location:  Sacramento, CA
Author:  Bruce Flaws
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  1172   Comments: 0
UP 3985
Title:  UP 3985
Description:  CSRM opening and Railfair '81.
Photo Date:  5/2/1981  Upload Date: 1/11/2021 8:05:01 PM
Location:  Sacramento, CA
Author:  Bruce Flaws
Categories:  Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  925   Comments: 0
Engineers side of UP 3985
Title:  Engineers side of UP 3985
Description:  At opening of the CSRM and Raqilfair 81.
Photo Date:  5/2/1981  Upload Date: 1/11/2021 8:15:10 PM
Location:  Sacramento, CA
Author:  Bruce Flaws
Categories:  InCab
Locomotives:  UP 3985(4-6-6-4)
Views:  936   Comments: 0
UP 8444 East on SP Donner Pass
Title:  UP 8444 East on SP Donner Pass
Description:  Glen Icanberry photo
Photo Date:  5/11/1981  Upload Date: 9/30/2023 1:20:26 AM
Location:  Blue Canyon, CA
Author:  Glen Icanberry
Categories:  Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  795   Comments: 0
UP 8444 East at Shed 10 (Cisco)
Title:  UP 8444 East at Shed 10 (Cisco)
Description:  Randy Curlin Collection
Photo Date:  5/11/1981  Upload Date: 2/1/2025 1:47:48 AM
Location:  Cisco, CA
Author:  Randy Curlin Collection
Categories:  Bridge,Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  580   Comments: 2
UP 8444 East
Title:  UP 8444 East
Description:  Tom Gildersleeve photo
Photo Date:  5/11/1981  Upload Date: 5/22/2025 5:04:04 PM
Location:  Cisco, CA
Author:  Tom Gildersleeve
Categories:  Bridge,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  323   Comments: 0
UP 8444 and 3985 returning from Sacramento trip (near Granger)
Title:  UP 8444 and 3985 returning from Sacramento trip (near Granger)
Description:  Randy Curlin Collection
Photo Date:  5/13/1981  Upload Date: 4/21/2021 2:51:27 AM
Location:  Granger, WY
Author:  Randy Curlin Collection
Categories:  Steam,Passenger,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  1052   Comments: 4
UP 8444 heading east
Title:  UP 8444 heading east
Description:  Nils Huxtable photo
Photo Date:  5/13/1981  Upload Date: 9/24/2025 11:01:32 PM
Location:  Carlin, NV
Author:  Nils Huxtable
Categories:  Tunnel,Bridge,Steam,Action
Locomotives:  UP 8444(4-8-4) UP 3985(4-6-6-4)
Views:  162   Comments: 0
UP 4-6-6-4 3985
Title:  UP 4-6-6-4 3985
Description: 
Photo Date:  6/16/1982  Upload Date: 12/7/2017 4:48:55 PM
Location:  Cheyenne, WY
Author:  Bob Jordan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1306   Comments: 1
UP 4-6-6-4 3985
Title:  UP 4-6-6-4 3985
Description: 
Photo Date:  6/16/1982  Upload Date: 12/7/2017 5:11:03 PM
Location:  Cheyenne, WY
Author:  Bob Jordan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1225   Comments: 1
UP #3985 "Steam Show 1982"
Title:  UP #3985 "Steam Show 1982"
Description:  Recently restored UP "Challenger" #3985 performs a photo runby at Point of the Mountain on the way to Provo, UT
Photo Date:  6/26/1982  Upload Date: 10/13/2006 2:39:50 PM
Location:  Sandy, UT
Author:  Herb Iske
Categories:  Action
Locomotives:  UP 3985(4-6-6-4)
Views:  5347   Comments: 3
UP 3985 on the wye
Title:  UP 3985 on the wye
Description:  Keith E Ardinger photo
Photo Date:  6/26/1982  Upload Date: 9/24/2023 3:11:49 AM
Location:  Salt Lake City, UT
Author:  Keith E Ardinger
Categories:  Station,Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  705   Comments: 0
UP 3985 departing for Provo
Title:  UP 3985 departing for Provo
Description:  G Pekkanen photo
Photo Date:  6/27/1982  Upload Date: 3/15/2023 11:17:10 AM
Location:  Salt Lake City, UT
Author:  G Pekkanen
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  770   Comments: 2
UP 3985 - Salt Lake City, UT - 6/27/82
Title:  UP 3985 - Salt Lake City, UT - 6/27/82
Description:  Carrying a full load of coal for the days trip to Ogden, the crew of Union Pacific 4-6-6-4 3985 is making sure everything is ready to go before they fead out of Salt Lake Citys engine facility on June 27, 1982. The numerous lineside fires started dy this engine on this weekend prompted the UP to convert the Challenger to oil firing.
Photo Date:  6/27/1982  Upload Date: 5/26/2010 7:26:40 PM
Location:  Salt Lake City, UT
Author:  Craig Walk
Categories:  Roster,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  3196   Comments: 0
UP 3985
Title:  UP 3985
Description:  On the second day of excursions with Union Pacific 4-6-6-4 3985, the big Challenger envelops its train with coal smoke (yes, it was still coal fired at this time) as it passes the USN Geneva Work steel plant in Vineyard, Utah, on June 27th, 1982. The excursions, one on the 26th and another on the 27th, operated from Salt Lake City to Provo and return. The steel mill is now gone, and the main#line has been downgraded to a branch line.
Photo Date:  6/27/1982  Upload Date: 12/31/2015 1:06:46 AM
Location:  Vineyard, UT
Author:  Craig Walker
Categories:  Steam,Passenger,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  1791   Comments: 0
UP 3985 steaming towards Ogden UT
Title:  UP 3985 steaming towards Ogden UT
Description:  Sherry Ardinger photo
Photo Date:  6/28/1982  Upload Date: 6/18/2020 12:42:35 AM
Location:  Kaysville, UT
Author:  Sherry Ardinger
Categories:  Scenic,Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  1091   Comments: 1
UP 4-6-6-4 3985
Title:  UP 4-6-6-4 3985
Description:  Location unknown, Date is appoximate
Photo Date:  1/1/1983  Upload Date: 12/7/2017 4:46:59 PM
Location:  Denver, CO
Author:  Bob Jordan
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  1212   Comments: 1
UP 3985
Title:  UP 3985
Description: 
Photo Date:  10/20/1984  Upload Date: 2/1/2006 4:13:26 PM
Location:  Speer, WY
Author:  Jeff Van Cleve
Categories: 
Locomotives:  UP 3985(4-6-6-4)
Views:  3538   Comments: 5
UP 3985
Title:  UP 3985
Description:  UP 3985 heads west
Photo Date:  10/18/1985  Upload Date: 11/24/2023 10:51:19 AM
Location:  Sherman Hill Hermosa, WY
Author:  J Fischer
Categories:  Roster,Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  864   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985 heads west
Photo Date:  10/18/1985  Upload Date: 11/24/2023 10:51:44 AM
Location:  Sherman Hill Hermosa, WY
Author:  J Fischer
Categories:  Steam,Action
Locomotives:  UP 3985(4-6-6-4)
Views:  778   Comments: 0
UP 3985
Title:  UP 3985
Description:  UP 3985
Photo Date:  10/18/1985  Upload Date: 11/24/2023 10:52:13 AM
Location:  Laramie, WY
Author:  J Fischer
Categories:  Roster,Steam
Locomotives:  UP 3985(4-6-6-4)
Views:  650   Comments: 0

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