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ALCo-GE DL109
master power roster with specifications and references
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specifications:
power:  2,000 hp101
weight:  336,100 lbs101
tractive effort:  55,475 lbs on start61
  engine:  539101
fuel capacity:  gals
gear ratio:  58:2561,101
trucks:  A1A-A1A wheel arrangement101p
  generator:  GT55761
traction motors:  GE726F161
wheels:  40 in61
dynamic brakes: 
 
roster:
road
number
model builder
information
history and configurations disposition
50 class
 ATSF
  50L 

ATSF DL109 50L
SRW
DL109 builder:  ALCo-GE11,61,101
date:  May4161,101
serial no.:  6939961 /
  69439
frame no.: 
order no.:  S183011
numbered:  ATSF  50L 61,101:
    • delivered:  9May41103 / May41101
    • assignment:  passenger service61,101
    • paint:  SRW101p
    • carbody front:
        front windows:  three-piece61p,101p
        headlights:
          as delivered single with bezel61p
          later added Mars headlight as upper headlight
            moving first headlight down101p
        number board:
          as delivered on nose sides61p,
          later above middle window with side boards
            blanked101p
        wrecking lugs:  none101p
        herald:
          as delivered yellow "SANTA FE" cigar-band
            around nose61p
          later with lower headlight "SANTA FE" on both
            sides of cigar-band101p
          see ref 103, p. 74 for cigar-band diagrams
        pilot:  silver101p, with foot steps61p
    • carbody sides:
        cab doors:  square corners101p
        cab ladder kick plates:  stainless steel101p
        panels:  stainless steel61
        grilles: 
        portholes:
          as delivered two rectangular aft cab door in
            red warbonnet61p
          later back-most porthole replaced with road
            number panel101p
        logo:  "SANTA FE"61p,103p and Indian-head on rear-most upper panel103p
        skirting:  yes101p
    • carbody roof:
        window grab irons:  none101p
        horns:  101p
        dynamic brakes: 
        radiator exhaust fans: 
        radio antenna: 
        steam generator:  CFK422561
    • carbody rear:
        wrecking lugs: 
        door window: 
        signal light: 
retired:  4Oct6061,101
scrapped:  Argentine KS61 Oct60101
 
references:
    1 Joe McMillan, Santa Fe's Diesel Fleet, 1975.
  11 David Dallner, ATSF roster information, private correspondence.
  61 John McCall, Early Diesel Daze, 1935-1953, 1980.
101 Cinthia Priest, The Santa Fe Diesel, Volume One:  Dieselization-1960, Paired Rail Railroad Publications, Ltd., 1997.
103 Stephen Priest, Santa Fe Railway Diesel Painting & Lettering Guide for Model Railroaders, Paired Rail Railroad Publications, Ltd., 2014.
 
A "p" suffix in the roster references indicates information verified by a published image.
 
abbreviations:
ALCo -- American Locomotive Company
ATSF -- Atchison, Topeka & Santa Fe Railway
GE -- General Electric
paint scheme abbreviation:
   SRW  -- silver / red warbonnet
 
notes:
  This catalog is formatted for 8½x11 portrait printing; margin adjustment might be necessary.
  Last upgraded 11 September 2020.

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