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11/2/2024
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:Alco 4-8-8-4Built As:UP 4001 (4-8-8-4)
Serial Number:69572Order No:S-1844
Frame Number:23¾X32 cylinders, 68" driversBuilt:8/1941
Notes:Built Aug. 1941, scrapped Nov. 1961
Other locos with this serial:  UP 4001(4-8-8-4)
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116 Cars Westbound
Title:  116 Cars Westbound
Description:  Union Pacific 4001 lugs a 116 car train uphill at Riview. Riview is located just west of Green River, where trains begin the climb to Evanston further west. The Ogden-bound train is made up of 11 cars loaded with coal, followed by a lengthy string of empty reefers. Trains heading west on the Wyoming Division often had empty reefers. These cars would then be loaded and returned east. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  11/29/1941  Upload Date: 7/1/2022 1:20:19 AM
Location:  Green River, WY
Author:  O.C.Perry
Categories:  Steam,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  454   Comments: 0
UP 4001
Title:  UP 4001
Description:  UP 4001 gets some brief R&R in Green River. A worker inspects the pistons while another loads coal into the centipede tender. World War 2 has begun, and regular cleaning of the engines has mostly stopped, as they are constantly on the move, shuttling troops and supplies across the Wasatch range. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  11/29/1941  Upload Date: 5/28/2021 8:48:21 PM
Location:  Green River, WY
Author:  O.C.Perry
Categories:  Roster,Yard,Steam
Locomotives:  UP 4001(4-8-8-4)
Views:  520   Comments: 0
Big Boys in Green River
Title:  Big Boys in Green River
Description:  UP 4002 waits for its turn at the coaling tower in Green River. The object behind the tender appears to be the tender of another UP steam engine. 4002 will work for another 17 years, and will be scrapped in 1962. Behind 4002 is another Big Boy, 4001. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  11/29/1941  Upload Date: 5/28/2021 8:51:45 PM
Location:  Green River, WY
Author:  O.C.Perry
Categories:  Roster,Steam,Action
Locomotives:  UP 4002(4-8-8-4) UP 4001(4-8-8-4)
Views:  648   Comments: 0
Big Boy 4001
Title:  Big Boy 4001
Description:  UP 4001 rolls through the yard at Ogden in mid 1946. 4001 was the second of 20 Big Boys ordered by Union Pacific in 1941. The last of these 20 massive engines was built in December 1941, but another five would be built in 1944 to meet wartime traffic demands. All 25 of these brutes would be retired by 1960, and of them, 17 (including the 4001) would be scrapped in the following 3 years. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  6/29/1947  Upload Date: 7/4/2022 12:46:58 AM
Location:  Ogden, UT
Author:  G.M.Best
Categories:  Roster,Yard,Steam,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  357   Comments: 0
Extra 4001 East Through Dale Creek
Title:  Extra 4001 East Through Dale Creek
Description:  Big Boy 4001 leads Extra 4001 East through Dale Creek with 90 cars. The 6 head end cars are hauling livestock, while the rest of the train is an 84 car reefer block loaded with fruit for eastern markets. 4001 is making 30 MPH on this final stretch of the grade to Sherman. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  8/15/1948  Upload Date: 10/3/2022 12:00:31 AM
Location:  Dale Creek, WY
Author:  R.H.Kindig
Categories:  Steam,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  206   Comments: 0
UP 4001 West
Title:  UP 4001 West
Description:  UP 4001 drags a westbound extra up Sherman Hill on an unknown day in 1951. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  1/1/1951  Upload Date: 5/30/2021 8:15:02 PM
Location:  Sherman Hill, WY
Author:  Neal Miller
Categories:  Steam,Track,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  521   Comments: 0
Doubleheader In Granite
Title:  Doubleheader In Granite
Description:  Big Boys 4001 and 4008 lead a 103-car freight drag into Granite Canon. Riding on board is Henry Griffiths Jr, a photographer who would publish a photo essay in "True" magazine of the UP operations over Sherman Hill. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  6/26/1952  Upload Date: 8/4/2022 12:21:17 AM
Location:  Granite, WY
Author:  R.H. Kindig
Categories: 
Locomotives:  UP 4001(4-8-8-4) UP 4008(4-8-8-4)
Views:  224   Comments: 0
UP 4000s in Cheyenne
Title:  UP 4000s in Cheyenne
Description:  UP 4001 and 4005 sit in the yard at Cheyenne on June 26, 1952. 4001 was built in 1941, was scrapped in 1961, and is new to RRPA. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  6/26/1952  Upload Date: 5/12/2021 8:36:52 PM
Location:  Cheyenne, WY
Author:  H.R Griffiths
Categories:  Roster,Yard,Steam,Track
Locomotives:  UP 4001(4-8-8-4) UP 4005(4-8-8-4)
Views:  676   Comments: 0
UP 4001
Title:  UP 4001
Description:  Union Pacific 4001 reaches the end of the center siding at the east end of Sherman. Its June 27, 1952, and 4001 has 6 years of service left before being stored. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  6/27/1952  Upload Date: 9/19/2021 1:57:27 PM
Location:  Sherman, WY
Author:  H.R.Griffiths
Categories:  Steam,Track,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  194   Comments: 0
Big Boy 4001
Title:  Big Boy 4001
Description:  UP 4001 leads a train through Granite Canyon in May, 1954. 4001 was built in August 1941 by the American Locomotive Company, and was scrapped 20 years later in November, 1961. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  5/9/1954  Upload Date: 7/5/2022 12:07:34 AM
Location:  Laramie, WY
Author:  F.G.Gschwind
Categories:  Roster,Steam,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  214   Comments: 0
Short Extra 4001 Westbound
Title:  Short Extra 4001 Westbound
Description:  With 11 cars and a caboose, 4001 leads a westbound extra out of Denver. The train will likely make several stops along the route to Laramie, picking up cars from local yards. The train is made up of a CB&Q stock car, 9 boxcars, and a flatcar carrying a load of wood. Obtained from Union Pacific Steam: Big Boy Portraits (Bush, Ehernberger)
Photo Date:  12/25/1956  Upload Date: 7/20/2022 12:18:04 AM
Location:  Denver, CO
Author:  Dave Gross
Categories:  Yard,Steam,Action
Locomotives:  UP 4001(4-8-8-4)
Views:  369   Comments: 0


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