ATSF logo ATSF Diesel Roster
MK MK1200G
master power roster with specifications and references
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specifications:
power: 
weight:  250,000 lbs39
tractive effort: 
  engine:  Caterpillar G3516 SITA39
fuel capacity:  1,400 gals LNG39
gear ratio:  62:1539
trucks:  EMD Blomberg trucks, with 40-in wheels and Hyatt bearings39
  generator: 
traction motors:  D78B39
dynamic brakes:  none39
 
roster:
1200 class
road
number(s)
model builder
info
history and configurations disposition
ATSF
 1200 

BNSF
1200

ATSF MK1200G 1200
BYW2
image not available
BNSF MK1200G 1200
BYW2
MK1200G builder:  MK39,102
date:  Jun9439
serial no.:  2300439
frame no.:  5487-539
order no.:  0392-139
numbered:   1200 39:
    • delivered:   date 
    • assignment:  LAJR39
    • paint: BYW239p,102p
    • short hood:
        headlights:  twin horizontal recessed in upper
            nose102p
        herald:  blue "SANTA FE" cigar-band around
            nose39p,102p
    • cab:
        numberboards:  white numerals on black
            background102p
    • long hood:
        logo:  54in  Santa Fe  on sides39p,102p
        headlights:  twin horizontal between
            numberboards102p
        numberboards:  white numerals on black
            background102p
    • frame and trucks:
        stanchions:  yellow paint102p
        handrails:  yellow paint102p
        truck sideframes:  silver / aluminum paint102p
transferred:  BNSF Rwy Co merger35
    22Sep9535,
  renumbered:  BNSF  1200 39
    12Aug9839
ATSF
 1201 

BNSF
1201

ATSF MK1200G 1201
BYW2
image not available
BNSF MK1200G 1201
BYW2
MK1200G builder:  MK39,102
date:  Jun9439
serial no.:  2300239
frame no.:  5521-639
order no.:  0392-239
numbered:   1200 39:
    • delivered:   date 
    • assignment:  LAJR39
    • paint: BYW239p,102p
    • short hood:
        headlights:  twin horizontal recessed in upper
            nose102p
        herald:  blue "SANTA FE" cigar-band around
            nose39p,102p
    • cab:
        numberboards:  white numerals on black
            background102p
    • long hood:
        logo:  54in  Santa Fe  on sides39p,102p
        headlights:  twin horizontal between
            numberboards102p
        numberboards:  white numerals on black
            background102p
    • frame and trucks:
        stanchions:  yellow paint102p
        handrails:  yellow paint102p
        truck sideframes:  silver / aluminum paint102p
transferred:  BNSF Rwy Co merger35
    22Sep9535,
  renumbered:  BNSF  1200 39
    12Aug9839
 
references
  35 Robert C. Del Grosso, Burlington Northern and Santa Fe Railway 1997 Annual, 1998.
  39 Robert C. Del Grosso, Atchison, Topeka & Santa Fe Railway 1995 Motive Power Fleet, 2010.
102 Cinthia Priest, The Santa Fe Diesel, Volume Two:  1960-1995, 1998.
 
abbreviations
ATSF -- Atchison, Topeka & Santa Fe Railway
BNSF -- Burlington Northern Santa Fe Railway, then to BNSF
BYW2 -- blue/yellow warbonnet paint
MK -- Morrison-Knudsen
 
notes:
  This catalog is formatted for 8½x11 portrait printing; margin adjustment might be necessary.
  Last upgraded 8 September 2020.

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