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8/1/2025
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Home > Union Pacific Railroad Company > Locomotives > Alco 4-8-8-4 > UP 4023
Pictures of UP 4023
 
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:  603   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:  464   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:  175   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:  4020   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:  5341   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:  6305   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:  4128   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:  474   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:  3342   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:  2223   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:  3178   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:  3182   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:  2687   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:  2560   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:  2610   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:  4243   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:  2134   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:  5388   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:  2978   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:  2551   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:  1664   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:  18596   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:  7401   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:  6002   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:  5581   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:  12320   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:  9072   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:  7040   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:  5053   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:  7870   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:  18033   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:  4149   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:  4992   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:  41769   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:  8365   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:  3170   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:  2064   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:  1794   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:  2106   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:  2319   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:  1891   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:  1505   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:  1310   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:  1619   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:  1331   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:  1762   Comments: 0

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