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6/13/2025
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Alco 4-8-8-4Built As:UP 4023 (4-8-8-4)
Serial Number:72780Order No:S-1936
Frame Number:23¾X32 cylinders, 68" driversBuilt:11/1944
Notes:Kenefick Park, Omaha, NE
Other locos with this serial:  UP 4023(4-8-8-4)
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UP 4023 (Big Boy)
Title:  UP 4023 (Big Boy)
Description: 
Photo Date:  8/14/2006  Upload Date: 8/14/2006 3:30:58 PM
Location:  Omaha, NE
Author:  Robert Garton
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1901   Comments: 1
UP 4023
Title:  UP 4023
Description: 
Photo Date:  8/14/2006  Upload Date: 8/14/2006 3:30:59 PM
Location:  Omaha, NE
Author:  Robert Garton
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1024   Comments: 0
My Wife and Our Niece and Nephew Pose with the Big Boy
Title:  My Wife and Our Niece and Nephew Pose with the Big Boy
Description: 
Photo Date:  8/14/2006  Upload Date: 8/14/2006 3:31:02 PM
Location:  Omaha, NE
Author:  Robert Garton
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1463   Comments: 0
The View into Iowa Between Two of UP's Legendary Locomotives, Big Boy #4023 & Centennial #6900
Title:  The View into Iowa Between Two of UP's Legendary Locomotives, Big Boy #4023 & Centennial #6900
Description: 
Photo Date:  8/14/2006  Upload Date: 8/14/2006 3:31:03 PM
Location:  Omaha, NE
Author:  Robert Garton
Categories: 
Locomotives:  UP 4023(4-8-8-4) UP 6900(DDA40X)
Views:  3233   Comments: 6
UP 4023
Title:  UP 4023
Description: 
Photo Date:  8/15/2006  Upload Date: 10/27/2013 10:42:33 PM
Location:  Omaha, NE
Author:  KJ Larson
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  547   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  8/15/2006  Upload Date: 11/10/2013 11:14:44 PM
Location:  Omaha, NE
Author:  KJ Larson
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  586   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  8/15/2006  Upload Date: 10/27/2013 10:47:00 PM
Location:  Omaha, NE
Author:  KJ Larson
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  268   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  8/15/2006  Upload Date: 11/7/2013 2:53:34 AM
Location:  Omaha, NE
Author:  KJ Larson
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  444   Comments: 0
UP 4023
Title:  UP 4023
Description:  Date Apoxamate.
Photo Date:  11/15/2006  Upload Date: 10/2/2008 1:13:37 AM
Location:  Omaha, NE
Author:  Nate Clark
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  741   Comments: 0
UP 6900
Title:  UP 6900
Description:  Date Apoxamate.
Photo Date:  11/15/2006  Upload Date: 10/2/2008 1:13:40 AM
Location:  Omaha, NE
Author:  Nate Clark
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  1034   Comments: 0
BIG BOY
Title:  BIG BOY
Description: 
Photo Date:  2/17/2007  Upload Date: 2/19/2007 5:02:00 AM
Location:  Omaha, NE
Author:  Allan Love Jr.
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1783   Comments: 2
UP 4023
Title:  UP 4023
Description: 
Photo Date:  7/14/2007  Upload Date: 7/18/2007 11:26:10 PM
Location:  Omaha, NE
Author:  Steven McKay
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  895   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  9/19/2007  Upload Date: 9/22/2007 5:16:08 PM
Location:  Omaha, NE
Author:  Darrell Krueger
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  598   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  9/19/2007  Upload Date: 9/22/2007 5:10:36 PM
Location:  Omaha, NE
Author:  Darrell Krueger
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  528   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  1/27/2008  Upload Date: 1/29/2008 8:09:49 PM
Location:  Omaha, NE
Author:  Luke Aitken
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  437   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  1/27/2008  Upload Date: 1/29/2008 8:07:44 PM
Location:  Omaha, NE
Author:  Luke Aitken
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  441   Comments: 0
UP 4023
Title:  UP 4023
Description:  On display at Kennefick Park located in Omaha, NE
Photo Date:  6/17/2008  Upload Date: 6/24/2008 4:11:18 AM
Location:  Omaha, NE
Author:  Richard Thompson
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  817   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/18/2008  Upload Date: 2/19/2009 6:33:50 PM
Location:  Omaha, NE
Author:  Sean Rodkey
Categories: 
Locomotives:  UP 4023(4-8-8-4) UP 6900(DDA40X)
Views:  1343   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/18/2008  Upload Date: 2/19/2009 6:30:56 PM
Location:  Omaha, NE
Author:  Sean Rodkey
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  767   Comments: 2
UP 4023
Title:  UP 4023
Description: 
Photo Date:  7/12/2008  Upload Date: 7/17/2008 12:25:53 PM
Location:  Omaha, NE
Author:  Todd Greuter
Categories:  Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  1193   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  7/12/2008  Upload Date: 7/17/2008 12:27:27 PM
Location:  Omaha, NE
Author:  Todd Greuter
Categories:  Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  658   Comments: 0
UP 4023 4-8-8-4 Big Boy
Title:  UP 4023 4-8-8-4 Big Boy
Description:  UPRRs largest steam engine
Photo Date:  7/12/2008  Upload Date: 7/16/2008 6:47:55 PM
Location:  Omaha, NE
Author:  Todd Greuter
Categories:  Roster,Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  726   Comments: 0
Big Boy in Omaha Park
Title:  Big Boy in Omaha Park
Description:  Along with UP 6900, Big Boy 4023 sits in Kenefick Park in Omaha, overlooking the I-80 Bridge
Photo Date:  8/20/2008  Upload Date: 9/7/2008 7:56:50 AM
Location:  North Platte, NE
Author:  Andrew Wisneski
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  541   Comments: 0
UP 4023
Title:  UP 4023
Description:  UP Big Boy 4023 greets motorest in Omaha Ne. when heading west on I80.
Photo Date:  9/30/2008  Upload Date: 9/30/2008 2:25:32 AM
Location:  Omaha, NE
Author:  David Stewart
Categories:  Night
Locomotives:  UP 4023(4-8-8-4)
Views:  593   Comments: 0
UP 6900 & UP 4023
Title:  UP 6900 & UP 4023
Description:  UP DD40AX 6900 and UP Big Boy 4023 stand gaurd at the entrance of Omaha Ne. and what a Grand site the two make.
Photo Date:  9/30/2008  Upload Date: 9/30/2008 2:26:03 AM
Location:  Omaha, NE
Author:  David Stewart
Categories:  Night
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  1059   Comments: 0
UP 6900 & UP 4023
Title:  UP 6900 & UP 4023
Description:  UP DD40AX 6900 and UP Big Boy 4023 stand gaurd in Omaha Ne. and give a grand reflection of railroadings past. Thier heads lights also burn during the night which is a nice touch given to thier display.
Photo Date:  9/30/2008  Upload Date: 9/30/2008 2:24:33 AM
Location:  Omaha, NE
Author:  David Stewart
Categories:  Night
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  1454   Comments: 4
Kenefick Park
Title:  Kenefick Park
Description:  Two of Union Pacific's largest locomotives ever used welcome visitors to Omaha, NE.
Photo Date:  12/21/2008  Upload Date: 12/23/2008 8:18:11 PM
Location:  Omaha, NE
Author:  amtrakswchief 4
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  2148   Comments: 2
Big Boy
Title:  Big Boy
Description:  UP's Big Boy on display at Kenefick Park
Photo Date:  12/21/2008  Upload Date: 12/23/2008 8:18:12 PM
Location:  Omaha, NE
Author:  amtrakswchief 4
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  537   Comments: 0
UP Steam
Title:  UP Steam
Description:  UP Shield on the front of a Big Boy displayed welcomeing visitors to Omaha
Photo Date:  12/21/2008  Upload Date: 12/23/2008 8:18:15 PM
Location:  Omaha, NE
Author:  amtrakswchief 4
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  494   Comments: 0
Steam Power
Title:  Steam Power
Description:  Glad I didnt have to work on these beasts.
Photo Date:  12/21/2008  Upload Date: 12/23/2008 8:18:15 PM
Location:  Omaha, NE
Author:  amtrakswchief 4
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  722   Comments: 0
Displayed Locomotives at Kenefick Park
Title:  Displayed Locomotives at Kenefick Park
Description:  This awesome display of UP Power can be seen from I-80 just inside Nebraska on the bluffs above the Missouri River.
Photo Date:  12/21/2008  Upload Date: 12/26/2008 12:51:30 AM
Location:  Omaha, NE
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  1589   Comments: 0
View From Kenefick Park
Title:  View From Kenefick Park
Description:  The Big Boy and the Centennial look out over the Missouri River Valley and Iowa.
Photo Date:  12/21/2008  Upload Date: 12/26/2008 12:51:30 AM
Location:  Omaha, NE
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 4023(4-8-8-4) UP 6900(DDA40X)
Views:  1050   Comments: 1
Big Boy 4023
Title:  Big Boy 4023
Description:  Kennefick Park
Photo Date:  4/6/2009  Upload Date: 6/21/2009 2:35:03 PM
Location:  Omaha, NE
Author:  Allen Robertson
Categories:  Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  804   Comments: 0
UP 4023
Title:  UP 4023
Description:  On Display on the way into Nebraska (Omaha) From Council Bluffs
Photo Date:  6/1/2010  Upload Date: 6/3/2010 12:56:26 AM
Location:  Omaha, NE
Author:  Adam Lutt
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  493   Comments: 0
Kennefick Park
Title:  Kennefick Park
Description:  A great welcome to Omaha
Photo Date:  6/19/2010  Upload Date: 7/8/2010 3:24:35 PM
Location:  Omaha, NE
Author:  J d
Categories:  Steam
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  804   Comments: 0
UP Locomotives on Display in Kenefick Park
Title:  UP Locomotives on Display in Kenefick Park
Description:  The biggest of the big from both the diesel and steam eras rest on display high above the Missouri River Valley in Omaha.
Photo Date:  8/20/2010  Upload Date: 10/21/2010 9:33:18 PM
Location:  Omaha, NE
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  769   Comments: 0
UP 4023 - ALCO Big Boy 4-8-8-4 Steam Locomotive
Title:  UP 4023 - ALCO Big Boy 4-8-8-4 Steam Locomotive
Description:  This 1944 example of a UP Big Boy is considered by some as the paramount of steam power in the United States. While there are locomotives that have similar stats, weights, and measures, there's no denying that it was one of the best.
Photo Date:  8/20/2010  Upload Date: 10/21/2010 9:33:18 PM
Location:  Omaha, NE
Author:  Zach Pumphery
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  828   Comments: 0
UP 4023
Title:  UP 4023
Description:  Heading west to Yellowstone, I built some time into the trip for a few railroad related stops. My first stop was at Kennefic Park in Omaha, NE. This is Union Pacific Big Boy 4023, which resides at the park along with Centennial 6900.
Photo Date:  8/22/2010  Upload Date: 2/1/2011 2:09:55 AM
Location:  Omaha, NE
Author:  Don Dieckmann
Categories:  Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  413   Comments: 1
Big Boy
Title:  Big Boy
Description: 
Photo Date:  9/15/2010  Upload Date: 9/15/2010 12:00:00 AM
Location:  Omaha, NE
Author:  Bill Kloss
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  346   Comments: 0
"Welcome to Omaha"
Title:  "Welcome to Omaha"
Description:  A sight that raises the heartbeat of any railfan. UP "BigBoy" 4023 sits on top of a hill overlooking I-80, just inside of the Nebraska state line in Omaha. 4023 was the only 4-8-8-4 retained by the UP.
Photo Date:  9/17/2010  Upload Date: 1/25/2011 10:00:28 PM
Location:  Omaha, NE
Author:  Jonathan Vincent
Categories:  Scenic,Bridge,Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  346   Comments: 0
UP 6900
Title:  UP 6900
Description: 
Photo Date:  11/6/2010  Upload Date: 11/18/2010 2:25:21 PM
Location:  Omaha, NE
Author:  Steven McKay
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  871   Comments: 0
Welcome To Omaha
Title:  Welcome To Omaha
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:54:41 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  270   Comments: 0
Back In Its Hay Day
Title:  Back In Its Hay Day
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:55:22 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  267   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:55:30 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  233   Comments: 0
UP 4023 History
Title:  UP 4023 History
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:55:38 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  204   Comments: 0
4023 Head On
Title:  4023 Head On
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:56:25 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  210   Comments: 0
Look At Those Muscles!
Title:  Look At Those Muscles!
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:56:42 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  200   Comments: 0
Nuts'n'Bolts .. Sticks'n'Stones
Title:  Nuts'n'Bolts .. Sticks'n'Stones
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:56:53 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  258   Comments: 0
Road # View
Title:  Road # View
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:57:11 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  225   Comments: 0
Imagine The 1950's.. This Is There Viewpoint
Title:  Imagine The 1950's.. This Is There Viewpoint
Description: 
Photo Date:  11/12/2010  Upload Date: 7/31/2013 1:57:26 AM
Location:  Omaha, NE
Author:  David Eugene Easley Prier
Categories:  Roster,Winter,Night,Steam,Passenger,Action
Locomotives:  UP 4023(4-8-8-4)
Views:  196   Comments: 0


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