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8/30/2014
 
 
 
 
 
Owner: Portland Terminal
Model:Alco S3Built As:GPPDC 661 (S3)
Serial Number:78393Order No:
Frame Number:Built:10/1950
Notes:blt 10/1950 as GPPDC 661
Other locos with this serial:  PTM 1101(S3)
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PTM 1101
Title:  PTM 1101
Description: 
Photo Date:  9/14/1970  Upload Date: 2/10/2011 7:23:47 AM
Location:  Portland, ME
Author:  Stephie Kolata
Categories: 
Locomotives:  PTM 1101(S3)
Views:  185   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  ex Greater Portland Public Development Commision
Photo Date:  5/8/1975  Upload Date: 10/1/2011 9:56:21 AM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  148   Comments: 0
PTM 1101
Title:  PTM 1101
Description: 
Photo Date:  9/14/1976  Upload Date: 2/10/2011 7:22:37 AM
Location:  Portland, ME
Author:  Stephie Kolata
Categories: 
Locomotives:  PTM 1101(S3)
Views:  218   Comments: 0
Portland Terminal Railroad (PTM) Alco S3 No. 1101
Title:  Portland Terminal Railroad (PTM) Alco S3 No. 1101
Description: 
Photo Date:  8/21/1978  Upload Date: 12/9/2006 8:33:47 AM
Location:  Portland, ME
Author:  Bill Rogerson
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  317   Comments: 0
Portland Terminal Railroad (PTM) Alco S3 No. 1101
Title:  Portland Terminal Railroad (PTM) Alco S3 No. 1101
Description:  Rigby Yard
Photo Date:  8/21/1978  Upload Date: 12/30/2006 9:06:35 AM
Location:  South Portland, ME
Author:  Bill Rogerson
Categories:  Roster,Yard
Locomotives:  PTM 1101(S3)
Views:  232   Comments: 0
Portland Terminal Railroad (PTM) Alco S3 No. 1101
Title:  Portland Terminal Railroad (PTM) Alco S3 No. 1101
Description:  Rigby Yard
Photo Date:  8/18/1980  Upload Date: 1/22/2009 12:27:44 PM
Location:  South Portland, ME
Author:  Bill Rogerson
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  179   Comments: 0
PTM Stored Switchers
Title:  PTM Stored Switchers
Description:  1101;1056;1061;____;1063;1054
Photo Date:  4/6/1981  Upload Date: 3/6/2012 4:59:57 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3) PTM 1061(S4) PTM 1063(S4)
Views:  238   Comments: 1
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  last active Alco switcher on MEC
Photo Date:  11/22/1982  Upload Date: 4/5/2012 9:33:35 AM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  75   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description: 
Photo Date:  2/19/1983  Upload Date: 5/2/2012 3:34:55 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Winter,Yard
Locomotives:  PTM 1101(S3)
Views:  74   Comments: 0
561(GP-7)
Title:  561(GP-7)
Description:  and PTM 1101(S-3)
Photo Date:  3/25/1983  Upload Date: 5/4/2012 2:17:45 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  68   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  adding a car to PB-2
Photo Date:  3/25/1983  Upload Date: 5/4/2012 2:18:20 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard,Action
Locomotives:  PTM 1101(S3)
Views:  107   Comments: 0
Misc. power
Title:  Misc. power
Description:  PTM 1101-MEC 259-258-409-579-402 at Rigby engine facility
Photo Date:  7/22/1983  Upload Date: 5/8/2012 9:17:29 AM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  104   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  ex Greater Portland Public Developement Commission 661;acquired by PTM in 1958
Photo Date:  7/22/1983  Upload Date: 5/8/2012 9:22:37 AM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Roster,Yard
Locomotives:  PTM 1101(S3)
Views:  92   Comments: 0
PTM 1101;and
Title:  PTM 1101;and
Description:  D&H 407-MEC 225-287
Photo Date:  8/28/1983  Upload Date: 5/8/2012 5:30:12 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  DH 407(C420) PTM 1101(S3)
Views:  105   Comments: 0
Rigby Engine House
Title:  Rigby Engine House
Description:  PTM 1101(S-3)
Photo Date:  2/10/1984  Upload Date: 5/2/2011 3:56:26 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  129   Comments: 0
Rigby Yard
Title:  Rigby Yard
Description:  B&M 1732; PTM 1101
Photo Date:  2/27/1984  Upload Date: 5/3/2011 2:34:35 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  BM 1732(GP9) PTM 1101(S3)
Views:  178   Comments: 0
PT SWR 25
Title:  PT SWR 25
Description:  PTM 1101(S-3) Yard 8
Photo Date:  2/27/1984  Upload Date: 5/3/2011 2:41:24 PM
Location:  Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  168   Comments: 0
PT SWR 25
Title:  PT SWR 25
Description:  PTM 1101 Yard 7
Photo Date:  2/27/1984  Upload Date: 5/3/2011 2:41:56 PM
Location:  Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  151   Comments: 0
PT SWR 25
Title:  PT SWR 25
Description:  PTM 1101 Yard 7
Photo Date:  2/27/1984  Upload Date: 5/3/2011 2:54:04 PM
Location:  Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  146   Comments: 0
PT SWR 25
Title:  PT SWR 25
Description:  PTM 1101 Yard 7
Photo Date:  2/27/1984  Upload Date: 5/3/2011 2:54:40 PM
Location:  Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  177   Comments: 0
PTM 1101
Title:  PTM 1101
Description: 
Photo Date:  4/1/1984  Upload Date: 1/19/2009 10:08:36 PM
Location:  Portland, ME
Author:  Eric Larson
Categories: 
Locomotives:  PTM 1101(S3)
Views:  185   Comments: 1
PTM S3 1101
Title:  PTM S3 1101
Description:  Portland Terminal S3 1101 at South Portland Maine, May 7, 1984, photo by Chuck Zeiler. Larry Hawkes provided the following information from the book, "Maine Central Diesel Locomotives" by Edwin B. Robertson. It says "CLASS" - S-1, PT NUMBER - #1101, DATE BUILT 10/50, SERIAL NUMBER 78393, purchased from the Greater Portland Public Development Corporation (GPPDC Number 661). Larry believes this to be an Alco S1. I believe it to be an Alco S3. According to Wikipedia, the S1 production ran from April 1940 to June 1950 (550 units), and the S3 production ran from March 1950 to November 1953 (292 units). I base my assumption of the following information from the book, "A Centennial Remembrance", by Richard Steinbrenner (page 310):

By 1950, Alco's (Model) 539-engined switcher line had seen 10 years of production. Over this period, only minor changes had been made during production. Among those previously noted were the changes to the radiator shutter assemblies and the addition of exhaust stacks to better prevent exhaust emissions from entering operating cabs. As a final note to Alco's 1950 production line, the switcher line received a modest set of upgrades. The most important was the replacement pf the Blunt truck with the GSC rigid bolster truck, used by all the other builders in their switcher products. In 1949 the AAR adopted this truck as Recommended Practice. In response, Alco followed suit; the 660 hp switcher was designated E1530A, S-3, and the 1000 hp was designed the E1540A, S-4. In addition to the truck change, the S-3 and S-4 body construction was modified to maximize welded assembly and to avoid the use of rivets where possible. Also, rubber moldings were applied to all windows. The end result was a tighter body with less tendency to rattle.

Photo Date:  5/7/1984  Upload Date: 10/15/2008 1:19:01 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  216   Comments: 0
PTM S3 1101
Title:  PTM S3 1101
Description:  Portland Terminal S3 1101, South Portland Maine, May 7, 1984, photo by Chuck Zeiler. Designated as DS-3B by the PT, it had a tractive effort of 49,230, and weighed 196,920. Portland Terminal 1101 was originally built for the Greater Portland Public Development Corporation as 661, then PT 1101 (1958).
Photo Date:  5/7/1984  Upload Date: 10/15/2008 1:48:45 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  376   Comments: 2
PTM S3 1101
Title:  PTM S3 1101
Description:  Portland Terminal S3 1101, South Portland Maine, May 7, 1984, photo by Chuck Zeiler. Apparently, this locomoive was originally built in 1950 for the Greater Portland Development Corporation as #661, and became PT 1101 in 1958.
Photo Date:  5/7/1984  Upload Date: 10/15/2008 1:36:53 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  274   Comments: 0
PTM S3 1101
Title:  PTM S3 1101
Description:  Portland Terminal S3 1101, South Portland, Maine May 9, 1984, photo by Chuck Zeiler. This was the only S-3 on PT's roster. In 1949 the AAR adopted the General Steel Castings (GSC) rigid bolster truck as a Recommended Practice (RP). Alco made some modest upgrades to the S-1, replacing the Blunt truck with the AAR RP truck, designating the upgrade as E1530A, or S-3. In addition to the truck change, more use was made of welded assembly, and rubber gaskets were used for the windows. This locomotive was powered by a six cylinder 660 horsepower McIntosh & Seymour Model 539 normally aspired diesel engine.
Photo Date:  5/9/1984  Upload Date: 10/15/2008 1:00:37 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  197   Comments: 2
PTM  S3 1101
Title:  PTM S3 1101
Description:  Portland Terminal S3 1101 and Maine Central GP7 561, South Portland Maine, May 9, 1984, photo by Chuck Zeiler.
Photo Date:  5/9/1984  Upload Date: 10/21/2008 1:10:42 PM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3) MEC 561(GP7)
Views:  362   Comments: 0
PTM S3 1101
Title:  PTM S3 1101
Description:  PTM S3 1101, South Portland, Maine, May 9, 1984, photo by Chuck Zeiler. This location is Rigby Yard, South Portland. Thanks to Larry Hawkes for pointing that out. I didn't know for sure where I was at the time.
Photo Date:  5/9/1984  Upload Date: 4/14/2009 11:17:01 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  155   Comments: 2
PTM S3 1101
Title:  PTM S3 1101
Description:  PTM S3 1101, South Portland Maine, May 9, 1984, photo by Chuck Zeiler Here's a comment from Larry Hawkes (thanks, Larry) clarifying this location: That's known as Yard 8 East. It's down to two running tracks today, used mainly for a run-around for cars coming out of the former Merrill Marine Terminal at Yard 8 West in Portland.
Photo Date:  5/9/1984  Upload Date: 4/14/2009 10:53:38 AM
Location:  South Portland, ME
Author:  Chuck Zeiler
Categories:  Roster
Locomotives:  PTM 1101(S3)
Views:  179   Comments: 1
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  only active ALCO switcher
Photo Date:  7/16/1984  Upload Date: 5/21/2012 4:11:12 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3)
Views:  58   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  and B&M 1714 Rigby yard
Photo Date:  3/16/1985  Upload Date: 6/5/2011 5:32:30 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3) BM 1714(GP9)
Views:  102   Comments: 0
MEC Power
Title:  MEC Power
Description:  PTM 1101; B&M 324+
Photo Date:  3/16/1985  Upload Date: 6/5/2011 5:33:04 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3) BM 324(GP40)
Views:  62   Comments: 0
PTM 1101(S-3)
Title:  PTM 1101(S-3)
Description:  and B&M 1560 Rigby yard
Photo Date:  3/24/1985  Upload Date: 6/5/2011 5:33:52 PM
Location:  South Portland, ME
Author:  Gil Ford
Categories:  Yard
Locomotives:  PTM 1101(S3) BM 1560(GP7)
Views:  81   Comments: 0


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