You must remember with EMC and they were not EMD when these diesels were being started. The letters were as follows. E means 1800 HP The first passenger units were 1800 HP. FT means 1400 HP and the first freight unit From was 2900 hp. The first FT was a 2 unit permanently coupled engine. The A unit did not have Batteries or a battery generator. It receives all of it's auxiliary power from the B unit. As far as the switchers were lettered SC, SW, NC and NW. S meant 600 HP, N meant 900 HP, W meant welded frame and C meant cast frame. About now General Motors bought EMC and it became EMD of General Motors These letters continued to be used but things changed with the models and the letters soon meant nothing. They dropped the cast frame. BL was Branch line GP General purpose SD Special duty MP probably multi pourpuse As far as Alco models go there are no model numbers in their records except the "E" numbers until the Century line was started and then they back dated their records to include the rail-fan model numbers. I can put you in touch with a guy I consider an Alco expert. Oh yes one thing I forgot. Alco did drop the E numbers for the DL numbers. Thank you Larry Jackman On Tuesday, June 17, 2003, at 10:34 AM, David Dewey wrote:
> Just to provide more trivia. > I don't believe the PA, FA etc. were railfan designations, more likely > marketing did them. > Alco: P units had three-axle trucks, and yes, were mostly set for > passenger > service, but many were also used in freight. F units had four-axle > trucks. > The B units had just as much machinery as the A units, just no > comfortable > (Hmm, that's might be a bit of a stretch) cab to sit in and see the > tracks > ahead (again, a bit of a stretch in an Alco--sorry guys, the crew > forward > view in these is not great, especially when compared to EMD's " > Covered wagons" --BTW, THAT is a railfan term! > EMD had F and E (why E, who knows, maybe to be different than Alco) F > units > had four axle trucks, single prime mover. FP units were 4 feet longer, > and > h S-Trains list sponsor: http://www.americanflyertrains.com All the Flyer you desire...books and accessories too! To UNSUBSCRIBE from this list send a note to [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
