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Marlowe Barnes's Collection
 
1/27/2025
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Home > Union Pacific Railroad Company > Locomotives > Alco 4-8-4 > UP 833
Pictures of UP 833
 
Owner: Union Pacific Railroad Company
Model:Alco 4-8-4Built As:UP 833 (4-8-4)
Serial Number:69174Order No:S-1811
Frame Number:25X32 cylinders, 80" driversBuilt:8/1939
Notes:FEF-2, retired 01/62, displayed in Ogden, Utah
Other locos with this serial:  UP 833(4-8-4)
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Some of UP's heritage on display at the Utah State RR Museum
Title:  Some of UP's heritage on display at the Utah State RR Museum
Description:  Of course MoPac, Western Pac, and CNW are not represented
Photo Date:  9/10/2010  Upload Date: 9/10/2010 1:12:38 AM
Location:  Ogden, UT
Author:  Marlowe Barnes
Categories: 
Locomotives:  UP 833(4-8-4) UP 6916(DDA40X) SP 7457(SD45R) UP2 7() DRGW 5371(SD40T-2)
Views:  1966   Comments: 4
UP 4-8-4 Alco 'Northern' #833 was quite swift with those 80" drivers
Title:  UP 4-8-4 Alco 'Northern' #833 was quite swift with those 80" drivers
Description:  Top speed was 110 mph. The second order of 15 locomotives (road numbers 820 through 834) was delivered in 1939. These locomotives were designated as Class FEF-2. They were designed to have 80" drivers, 25 x 32 cylinders, a boiler pressure of 300 psi, and a weight of 483,000 lbs giving each a tractive effort of 63,750 pounds (63,800 nominal).
Photo Date:  9/10/2010  Upload Date: 9/10/2010 1:17:43 AM
Location:  Ogden, UT
Author:  Marlowe Barnes
Categories: 
Locomotives:  UP 833(4-8-4)
Views:  992   Comments: 1

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