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7/18/2025
 
 
 
 
 
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
Title:  UP 4023
Description:  estimated date 1940 - 1950
Photo Date:  1/1/1945  Upload Date: 7/10/2022 5:02:39 PM
Location:  North Platte, NE
Author:  Richard Flebbe
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  575   Comments: 0
Union Pacific 4-8-8-4 4023
Title:  Union Pacific 4-8-8-4 4023
Description:  Near the coaling tower at Cheyenne, 4-8-8-4 4023 simmers between runs. 4023 was built by ALCo in November 1944. It was retired in July 1962 and placed in storage at Cheyenne. In 1974, it was moved to Omaha and placed on display at the UP shops. In 1988, it was moved to Kenefick Park. In 2005, 4023 was moved to the new Kenefick Park.
Photo Date:  7/4/1957  Upload Date: 10/9/2023 8:11:39 PM
Location:  Cheyenne, WY
Author:  Timothy E. Kaufman
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  431   Comments: 0
A Special Treat
Title:  A Special Treat
Description:  While everything was being serviced and readied for the day's excursion, UP brought out stored 4-8-8-4 4023 for the convention goers at Cheyenne.
Photo Date:  9/1/1963  Upload Date: 4/20/2025 11:44:37 PM
Location:  Cheyenne, WY
Author:  Douglas Wornom
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  142   Comments: 0
1019-20 Big Boy UP 4023 "Under Steam" (Shop steam)
Title:  1019-20 Big Boy UP 4023 "Under Steam" (Shop steam)
Description: 
Photo Date:  10/1/1976  Upload Date: 1/6/2010 3:51:30 AM
Location:  Omaha, NE
Author:  John Hill
Categories:  Roster,Yard,Steam,Track
Locomotives:  UP 4023(4-8-8-4)
Views:  3983   Comments: 0
1019-21 Big Boy UP 4023 "Under Steam" (Shop steam)
Title:  1019-21 Big Boy UP 4023 "Under Steam" (Shop steam)
Description:  Turntable
Photo Date:  10/1/1976  Upload Date: 1/6/2010 3:51:54 AM
Location:  Omaha, NE
Author:  John Hill
Categories:  Roster,Yard,Steam,Track
Locomotives:  UP 4023(4-8-8-4) UP 235(GP9) UP 482(GP20) UP 5003(U50C)
Views:  5285   Comments: 1
1019-21a Big Boy UP 4023 "Under Steam" (Shop steam)
Title:  1019-21a Big Boy UP 4023 "Under Steam" (Shop steam)
Description:  Cropped copy of 1019-21.
Photo Date:  10/1/1976  Upload Date: 1/6/2010 3:52:35 AM
Location:  Omaha, NE
Author:  John Hill
Categories:  Roster,Yard,Steam,Track
Locomotives:  UP 4023(4-8-8-4)
Views:  6271   Comments: 0
1019-23 Big Boy UP 4023 "Under Steam" (Shop steam)
Title:  1019-23 Big Boy UP 4023 "Under Steam" (Shop steam)
Description: 
Photo Date:  10/1/1976  Upload Date: 1/6/2010 3:54:00 AM
Location:  Omaha, NE
Author:  John Hill
Categories:  Roster,Yard,Steam,Track
Locomotives:  UP 4023(4-8-8-4) UP 235(GP9) UP 482(GP20) UP 5003(U50C)
Views:  4091   Comments: 1
UP 4023
Title:  UP 4023
Description:  estimated date 1975 - 1985
Photo Date:  1/1/1980  Upload Date: 7/4/2022 5:32:52 PM
Location:  Omaha, NE
Author:  Richard Flebbe
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  456   Comments: 0
UP 4023 AT UP HQ OMAHA
Title:  UP 4023 AT UP HQ OMAHA
Description:  UP BIG BOY N DISPLAY AT THE U.P. HEADQUARTERS IN OMAHA NE, NOTICE 6900 SERIES CENTENIAL IN BACKGROUND
Photo Date:  8/18/1989  Upload Date: 3/29/2011 11:20:24 AM
Location:  North Platte, NE
Author:  Gregory Garbacz
Categories:  Roster,Scenic,Station,Steam
Locomotives:  UP 4023(4-8-8-4)
Views:  3303   Comments: 0
Hig Boy on Dispay at Sunset
Title:  Hig Boy on Dispay at Sunset
Description:  Has she been moved?
Photo Date:  7/3/1991  Upload Date: 12/25/2007 2:40:05 AM
Location:  Omaha, NE
Author:  Marty Bernard
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2205   Comments: 0
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/2/2005 10:59:41 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  3140   Comments: 0
"Big-Boy" UP4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/2/2005 11:32:27 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  3145   Comments: 0
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/2/2005 11:13:22 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2659   Comments: 0
"Big-Boy" UP4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/3/2005 12:48:25 AM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2534   Comments: 1
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/3/2005 12:55:55 AM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2572   Comments: 0
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/3/2005 1:01:40 AM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  4210   Comments: 0
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/2/2005 11:23:09 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2108   Comments: 0
"Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Title:  "Big-Boy" UP 4023, 4-8-8-4 ALCO Steam Locomotive
Description:  Union Pacific's "Big-Boy" Steam Locomotive, UP 4023, is being readied for a move across town to a new display at the Botanical Gardens near I-80 in Omaha Nebraska.
Photo Date:  2/25/2005  Upload Date: 3/3/2005 1:08:13 AM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  5358   Comments: 0
Big-Boy UP 4023 front
Title:  Big-Boy UP 4023 front
Description:  UP 4023 Big-Boy Steam Locomotive, 4-8-8-4 is being readied for it's move across town to the Botanical Gardens near I-80.
Photo Date:  2/25/2005  Upload Date: 3/3/2005 4:43:17 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2953   Comments: 1
Big-Boy UP 4023 right side 1
Title:  Big-Boy UP 4023 right side 1
Description:  UP 4023 Big-Boy getting dollies placed under it for movement across town to the Botanical Gardens near I-80.
Photo Date:  3/3/2005  Upload Date: 3/3/2005 4:25:48 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2536   Comments: 0
Big-Boy UP 4023 front
Title:  Big-Boy UP 4023 front
Description:  UP 4023 Big-Boy Steam Locomotive, 4-8-8-4 is being readied for it's move across town to the Botanical Gardens near I-80.
Photo Date:  3/3/2005  Upload Date: 3/3/2005 4:39:05 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1635   Comments: 0
What A Sight!
Title:  What A Sight!
Description:  Per the guys doing this you're looking at a little over 500,000lbs moving.
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  18560   Comments: 3
What's That down the street?
Title:  What's That down the street?
Description:  Parked the car and almost ready to walk down.
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  7376   Comments: 0
Where's the Tender Truck?
Title:  Where's the Tender Truck?
Description:  They removed the front truck from the tender of 4023. Not sure why? I think it was for support reasons.
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  5967   Comments: 0
Last Pic
Title:  Last Pic
Description:  The wheel loader was there to push if needed. Big Boy 4023 is heading to her new home!
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  5548   Comments: 0
View from the Rear
Title:  View from the Rear
Description:  Moving down the street here's a view of a Big Boy without it's tender
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  12290   Comments: 1
Checking the Load
Title:  Checking the Load
Description:  The crew looks over 4023 before moving forward again
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  9038   Comments: 0
Engine
Title:  Engine
Description:  This is the engine driving the 4023 forward. Hydralic jacks
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  7012   Comments: 0
Some Detail
Title:  Some Detail
Description:  Cylinder and a driver showing
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  5023   Comments: 0
Real Work Being Done
Title:  Real Work Being Done
Description:  With Respect to all Kenworth owners, you need to have a MACK to do this! 4023's tender
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  7828   Comments: 1
The Crowds Parted
Title:  The Crowds Parted
Description:  This is the first close shot I got. Lots of people here watching. The Crew is checking over the rig before moving on.
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  17986   Comments: 0
Not a Train
Title:  Not a Train
Description:  But moving one's tender. Thanks for the great show!
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  4118   Comments: 2
Tender details
Title:  Tender details
Description:  You can see the drawbar and the stoker for the Big Boy.
Photo Date:  3/12/2005  Upload Date: 3/12/2005 5:42:32 PM
Location:  Omaha, NE
Author:  Rick C
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  4962   Comments: 3
UP's 'Big-Boy' on Bancroft Street
Title:  UP's 'Big-Boy' on Bancroft Street
Description:  UP's "Big-Boy" is being moved to it's new home at the new Kennefick Park in Omaha.
Photo Date:  3/12/2005  Upload Date: 4/19/2005 12:42:52 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  41740   Comments: 1
UP's 'Big-Boy' Steam Locomotive
Title:  UP's 'Big-Boy' Steam Locomotive
Description:  UP's "Big-Boy" Steam Locomotive fills Bancroft Street in Omaha, and drawfs a full size tractor-trailer rig!
Photo Date:  3/12/2005  Upload Date: 4/19/2005 12:42:18 PM
Location:  Omaha, NE
Author:  Paul Rome
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  8346   Comments: 0
Display under construction
Title:  Display under construction
Description:  A shot of Kennefick park from the only place the engines can be seen- I-80.
Photo Date:  9/4/2005  Upload Date: 9/9/2005 7:03:48 PM
Location:  Omaha, NE
Author:  Brian Hanel
Categories: 
Locomotives:  UP 6900(DDA40X) UP 4023(4-8-8-4)
Views:  3139   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  3/22/2006  Upload Date: 5/3/2006 10:48:20 AM
Location:  Omaha, NE
Author:  Dennis and Rebekah Headings
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2023   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/1/2006  Upload Date: 6/4/2006 3:58:48 PM
Location:  Omaha, NE
Author:  Tom Stolte
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1772   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/1/2006  Upload Date: 6/4/2006 3:58:49 PM
Location:  Omaha, NE
Author:  Tom Stolte
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2078   Comments: 2
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/1/2006  Upload Date: 6/4/2006 3:58:49 PM
Location:  Omaha, NE
Author:  Tom Stolte
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  2285   Comments: 0
UP 4023
Title:  UP 4023
Description: 
Photo Date:  6/1/2006  Upload Date: 6/4/2006 3:58:50 PM
Location:  Omaha, NE
Author:  Tom Stolte
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1872   Comments: 0
Big Boy Loco
Title:  Big Boy Loco
Description:  What a masterpiece! Even with the wide angle, there was no way to get a broadside shot if this monster!
Photo Date:  6/4/2006  Upload Date: 6/17/2006 10:53:55 PM
Location:  Omaha, NE
Author:  Brian Hill
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1481   Comments: 0
Big Boy Details
Title:  Big Boy Details
Description:  Close up of front end hardware on this beautiful locomotive
Photo Date:  6/4/2006  Upload Date: 6/17/2006 11:00:29 PM
Location:  Omaha, NE
Author:  Brian Hill
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1280   Comments: 1
Welcome To Omaha
Title:  Welcome To Omaha
Description:  Big Boy at Kennefick Park as seen from I-80W.
Photo Date:  6/4/2006  Upload Date: 6/17/2006 11:33:53 PM
Location:  Omaha, NE
Author:  JD
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1589   Comments: 0
Two Big Boys!
Title:  Two Big Boys!
Description:  Yours truly in front of UP Pride!
Photo Date:  6/4/2006  Upload Date: 6/17/2006 11:10:53 PM
Location:  Omaha, NE
Author:  JD
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1306   Comments: 0
UP 4023 (Big Boy) Manufacturer's Plate
Title:  UP 4023 (Big Boy) Manufacturer's Plate
Description: 
Photo Date:  8/14/2006  Upload Date: 8/14/2006 3:30:57 PM
Location:  Omaha, NE
Author:  Robert Garton
Categories: 
Locomotives:  UP 4023(4-8-8-4)
Views:  1737   Comments: 0


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