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12/19/2024
 
 
 
 
 
Owner: Union Pacific Railroad Company
Model:EMD DD35ABuilt As:UP 71 (DD35A)
Serial Number:29985Order No:7797
Frame Number:7797-2Built:4/1965
Notes:blt 4/65, sfs 4/82
Other locos with this serial:  UP 71(DD35A)
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UP 71
Title:  UP 71
Description:  DD35A In service as of April 1965.
Photo Date:  4/1/1965  Upload Date: 6/18/2007 9:02:31 PM
Location:  Unknown, US
Author:  Unknown
Categories: 
Locomotives:  UP 71(DD35A)
Views:  1701   Comments: 1
UP DD35A 71
Title:  UP DD35A 71
Description:  Union Pacific Railroad DD35A 71 at Council Bluffs, Iowa on May 31, 1965, Kodachrome by Lou Schmitz, Chuck Zeiler collection. This locomotive was completed in April 1965 (c/n 29985) on EMD Order 7797 and retired August 24, 1981 and scrapped. It produced 5000 hp from 32-cylinders (two 16-cylinder prime movers). When EMD built the DD35, the intention was that it was a B (Booster) unit, no control cab, to be mated to a GP35 for control. The DD35A version with a cab was built in 1965 for the UP (after the DD40 model had been announced) and had the sloping radiators that were applied to the 645-engine SD40 test units. While the DD40 was to have two 645 diesels, the DD35A had two 567D3A diesels. UP 70-83 were built using reconditioned GE 752 traction motors (with 74:18 gear ratio) from trade-in Alco FA and FB cab units. EMD used the designation 752E20A for these reconditioned traction motors. UP 84 was built in part using the reconditioned EMD D67B1 traction motors from wrecked trade-in UP GP9 159 and was equipped with 62:15 gearing. The DD40 design was cancelled in 1966, however, EMD did build 47 DDA40X Centennial locomotives for the UP starting in 1969.
Photo Date:  5/31/1965  Upload Date: 11/10/2010 2:14:26 PM
Location:  Council Bluffs, IA
Author:  Lou Schmitz
Categories:  Roster
Locomotives:  UP 71(DD35A)
Views:  3707   Comments: 2
UP 71--DD35A
Title:  UP 71--DD35A
Description: 
Photo Date:  5/24/1969  Upload Date: 6/15/2010 7:44:23 PM
Location:  Portland, OR
Author:  G. Berisso
Categories: 
Locomotives:  UP 71(DD35A)
Views:  2786   Comments: 2
UP DD35A 71
Title:  UP DD35A 71
Description:  Taken circa 1971.
Photo Date:  1/1/1971  Upload Date: 9/15/2021 5:01:49 PM
Location:  Denver, CO
Author:  Bob Jordan
Categories: 
Locomotives:  UP 71(DD35A)
Views:  158   Comments: 0
UP 71
Title:  UP 71
Description:  An "only on the UP" consist of DD35A, two GP30Bs and a U50C. Eastbound crossing the Green River, date approximate.
Photo Date:  6/1/1975  Upload Date: 5/22/2009 7:21:44 PM
Location:  Green River, WY
Author:  Mike Woodruff
Categories: 
Locomotives:  UP 71(DD35A)
Views:  1806   Comments: 5
UP 71
Title:  UP 71
Description:  UP 71 leads another DD35A and a GP30B only moments away from crest of Cajon Pass.
Photo Date:  9/30/1977  Upload Date: 7/5/2012 7:12:40 PM
Location:  Summit, CA
Author:  Ron Hawkins
Categories:  Action
Locomotives:  UP 71(DD35A)
Views:  520   Comments: 0
UP 71 Eastbound at Summit
Title:  UP 71 Eastbound at Summit
Description:  interesting mix of power, DD,35a, 2 cabless GP-30s, SD-45 and 2 SD-40-2s
Photo Date:  10/13/1978  Upload Date: 10/31/2015 12:16:19 PM
Location:  Cajon Pass, CA
Author:  Clark Gillis
Categories:  Action
Locomotives:  UP 71(DD35A)
Views:  398   Comments: 1
Eastbound crosing the diamonds at Colton Tower
Title:  Eastbound crosing the diamonds at Colton Tower
Description:  Taken shortly before tower was destroyed.
Photo Date:  4/19/1980  Upload Date: 7/23/2015 8:38:25 AM
Location:  Colton, CA
Author:  Clark Gillis
Categories:  Action
Locomotives:  UP 3075(SD40) UP 71(DD35A)
Views:  856   Comments: 0
UP 71--DD35A
Title:  UP 71--DD35A
Description: 
Photo Date:  7/28/1981  Upload Date: 12/26/2010 2:43:15 PM
Location:  Council Bluffs, IA
Author:  DR Hare
Categories: 
Locomotives:  UP 71(DD35A)
Views:  1891   Comments: 1


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