Talk:ALCO DL-109

Latest comment: 8 years ago by InternetArchiveBot in topic External links modified

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The last DL109 was New Haven 0716. It was scrapped in the early 1970s. --SSW9389 22:30, 26 November 2005 (UTC)Reply

The roster on Diesel Shop http://www.thedieselshop.us/Alco_DL109.HTML shows the GM&O units as type DL107 even though they were built two months prior to Rock Island #622 which is shown as a DL105. Steinbrenner pp. 176-178 shows both the GM&O #270-271 and Rock Island #622 as the only examples of type DL105. Steinbrenner's roster on p. 178 shows that the New Haven units were the first DL109s dating from December 1941. --SSW9389 (talk) 14:13, 27 May 2008 (UTC)Reply

Suspect, but don't yet know for a fact that the DL109/DL110 differed from the DL107/DL108 in electrical equipment and specifically in traction motors. The New Haven DL109s were said to have been built with the GE 726 traction motor, an early predecessor of the GE 752 traction motor. This was from a very thorough discussion on railroad.net ALCO Forum about the traction motors used on the DL109s and PA-1s.--SSW9389 (talk) 14:18, 27 May 2008 (UTC)Reply

Further reading into the traction motors used by these locomotives shows that the earlier locomotives like the DL103, DL105, DL107, and DL108 used the GE 730 traction motor and high speed gearing. The New Haven DL109s were the first ALCO passenger diesels to use the GE 726 heavy duty traction motor. There are three discussion threads on this in the ALCO Forum of Railroad.net. See the threads on PA-1 Traction motors, DL100 traction motors and DL109 engines. --SSW9389 (talk) 02:49, 22 July 2008 (UTC)Reply

So there are no surviving DL examples? Like the engine in that B&W photo at the top. --98.232.180.37 (talk) 07:23, 29 January 2009 (UTC)Reply

That is correct the last DL109 was scrapped in early 1970 as Penn Central PP716. There is a mention of it in the article. --SSW9389 12:44, 2 February 2009 (UTC) —Preceding unsigned comment added by SSW9389 (talkcontribs)

Infobox

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Dorin, Patrick C. (1972). Chicago and North Western Power. Superior Publishing. p. 150. ISBN 0-87564-715-4. has C&NWRy drawings and spec sheets for their loco’s, that’s where most of this comes from. Sammy D III (talk) 19:18, 22 August 2013 (UTC)Reply

Alco Demonstrators/Loaners

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All four booster units were built to specification DL-108, note that their serial numbers are sequential. This was confirmed earlier this year with the Southern Yahoo Group as a source. The last DL-108 was built as a demonstrator/loaner while Southern's first two DL-108s were being rebuilt because of engine vibration problems. The other demonstrator loaner unit was the last DL-107 that was sold to the Rock Island. The final DL-108 was upgraded to specification DL-110 before sale to the Southern. --SSW9389 14:56, 6 August 2015 (UTC)

Assessment comment

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The comment(s) below were originally left at Talk:ALCO DL-109/Comments, and are posted here for posterity. Following several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section.

Has a few refs, needs inline citations if it's going to move up through GA. Slambo (Speak) 19:43, 24 October 2006 (UTC)Reply

Last edited at 19:43, 24 October 2006 (UTC). Substituted at 06:26, 29 April 2016 (UTC)

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