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1/25/2020
 
 
 
 
 
Owner: Delaware & Hudson
Model:Rebuilt Alco RS3MBuilt As:DH 4107 (RS3)
Serial Number:80307Order No:20794
Frame Number:prime mover # 12950Built:9/1952
Notes:09/1952, ex-D&H 4107
Other locos with this serial:  DH 503(RS3M) DH 4107(RS3)
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503-508-505
Title:  503-508-505
Description:  RS-3ms
Photo Date:  6/21/1976  Upload Date: 6/12/2012 3:50:07 PM
Location:  Mechanicville, NY
Author:  Gil Ford
Categories:  Yard
Locomotives:  DH 503(RS3M)
Views:  346   Comments: 0
DH 7409
Title:  DH 7409
Description:  3 paint schemes!
Photo Date:  8/25/1976  Upload Date: 9/30/2006 9:44:26 PM
Location:  Emmons, NY
Author:  Tim Darnell
Categories: 
Locomotives:  DH 7409(GP39-2) DH 7321(GP38-2) DH 503(RS3M)
Views:  635   Comments: 0
DH RS3m #503 - Delware & Hudson
Title:  DH RS3m #503 - Delware & Hudson
Description:  Originally built by Alco in September of 1952 as DH RS3u 4107, the unit was rebuilt by Morrison-Knudsen between December of 1975 and march of 1976. Larger Alco prime movers were installed as well as raising the long hood 6 inches and moving the dynamic brake cooling box to behind the cab. The D&H later nicknamed these locos as "Club Foots" since they tended to slip under heavy loads. No date or location was given for the photo so approximates were used. From the Carl Munck collection
Photo Date:  6/1/1977  Upload Date: 11/2/2019 6:32:13 AM
Location:  Unknown, NY
Author:  Gary Everhart
Categories:  Roster,Yard
Locomotives:  DH 503(RS3M)
Views:  75   Comments: 0
D&H 503
Title:  D&H 503
Description: 
Photo Date:  6/13/1977  Upload Date: 3/11/2013 7:22:17 PM
Location:  Mechanicville, NY
Author:  Robert Farkas
Categories:  Roster
Locomotives:  DH 503(RS3M)
Views:  397   Comments: 5
D&H 503
Title:  D&H 503
Description:  D&H 503
Photo Date:  6/13/1977  Upload Date: 5/15/2011 8:38:46 PM
Location:  Mechanicville, NY
Author:  Robert Farkas
Categories:  Roster
Locomotives:  DH 503(RS3M)
Views:  577   Comments: 1
M K rebuild
Title:  M K rebuild
Description:  D&H had Morrison Knudsen rebuild eight RS 3s with 251 engines and chopped noses. They worked in all kinds of service all over the railroad, and it was not out of the question to find them in yards, such as this one in Oneonta.
Photo Date:  7/22/1978  Upload Date: 12/11/2016 4:51:23 AM
Location:  Oneonta, NY
Author:  Tom Beckett
Categories:  Roster,Yard
Locomotives:  DH 503(RS3M)
Views:  131   Comments: 0
Delaware and Hudson Railway Mixed Freight Train with Alco/MK TE56-4A (RS3M) No. 503 and Alco RS36 No. 5021 providing power
Title:  Delaware and Hudson Railway Mixed Freight Train with Alco/MK TE56-4A (RS3M) No. 503 and Alco RS36 No. 5021 providing power
Description: 
Photo Date:  6/2/1979  Upload Date: 6/21/2007 12:12:30 PM
Location:  Coons, NY
Author:  Bill Rogerson
Categories:  Action
Locomotives:  DH 503(RS3M) DH 5021(RS36)
Views:  619   Comments: 0
Delaware and Hudson Railway Mixed Freight Train with Alco/MK TE56-4A (RS3M) No. 503 and Alco RS36 No. 5021 providing power
Title:  Delaware and Hudson Railway Mixed Freight Train with Alco/MK TE56-4A (RS3M) No. 503 and Alco RS36 No. 5021 providing power
Description: 
Photo Date:  6/2/1979  Upload Date: 6/21/2007 12:29:31 PM
Location:  Coons, NY
Author:  Bill Rogerson
Categories:  Action
Locomotives:  DH 503(RS3M) DH 5021(RS36)
Views:  494   Comments: 0
D&H 503
Title:  D&H 503
Description:  A D&H train is at BD and is headed to Jefferson Jct. to take some high cars around the tunnel.
Photo Date:  8/21/1979  Upload Date: 4/30/2010 6:07:25 PM
Location:  Binghamton, NY
Author:  Mike Stellpflug
Categories:  Action
Locomotives:  DH 503(RS3M)
Views:  346   Comments: 2
503-2304+
Title:  503-2304+
Description:  on SC-2
Photo Date:  4/25/1981  Upload Date: 6/5/2012 5:10:02 PM
Location:  Mechanicville, NY
Author:  Gil Ford
Categories:  Yard
Locomotives:  DH 503(RS3M)
Views:  250   Comments: 0
503-2304-2310
Title:  503-2304-2310
Description:  on SC-2
Photo Date:  4/25/1981  Upload Date: 6/5/2012 5:09:36 PM
Location:  Mechanicville, NY
Author:  Gil Ford
Categories:  Yard
Locomotives:  DH 503(RS3M)
Views:  177   Comments: 0
503-5003-507
Title:  503-5003-507
Description:  at engine terminal
Photo Date:  11/23/1981  Upload Date: 6/5/2012 2:06:14 PM
Location:  Mechanicville, NY
Author:  Gil Ford
Categories:  Yard
Locomotives:  DH 503(RS3M)
Views:  137   Comments: 0
D&H RS3u 503
Title:  D&H RS3u 503
Description:  Delaware & Hudson RS3u 503 at Mechanicville, New York on February 27, 1982, Kodachrome by Randy Kiser, Chuck Zeiler collection. This locomotive was built by Alco in September 1952 as D&H RS3 4107 (c/n 80307). Around September 1975, the D&H sent ten RS3's to Boise, Idaho to be remanufactured by Morrison-Knudsen. Eight units returned to the D&H, exchanging their Model 244 prime movers for Model 251C 12-cylinder diesels. The returning RS3u's (M-K designated them as model TE 56-4A) were numbered 501-508. However, 506 actually returned in Bicentennial paint as number 1976. All were rated at 2000 horsepower. The D&H RS3's were originally equipped with dynamic brakes which were located in the short hood. When the short hood was cut down, the dynamic brakes were relocated to the top of the long hood just behind the cab. In addition, to improve cooling and to make room for additional components, the long hood was raised six and one half inches. benefited from the rebuilding process, it turned out that they were a bit light on the rails and had a tendency to slip. The RS3u's lasted until 1988, when all were retired and scrapped, except for 506, which retained the Bicentennial paint and went to the Tioga Central.
Photo Date:  2/27/1982  Upload Date: 12/1/2010 11:56:39 AM
Location:  Mechanicville, NY
Author:  Randy Kiser
Categories:  Roster
Locomotives:  DH 503(RS3M)
Views:  692   Comments: 1
D&H 503
Title:  D&H 503
Description: 
Photo Date:  9/3/1983  Upload Date: 8/17/2014 7:44:05 PM
Location:  Saratoga Springs, NY
Author:  Robert Farkas
Categories:  Roster
Locomotives:  DH 503(RS3M)
Views:  276   Comments: 3
D&H RS3U 503
Title:  D&H RS3U 503
Description: 
Photo Date:  8/13/1987  Upload Date: 8/19/2012 11:05:54 AM
Location:  Watervliet, NY
Author:  Alan Gaines
Categories: 
Locomotives:  DH 503(RS3M)
Views:  191   Comments: 0


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