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EMD SDP40F / ATSF SDF40-2
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AMTK
 
   
ATSF
5251 class
   
BNSF
6960 class

specifications:
power:  hp
weight:  lbs
tractive effort:&Unbsp; lbs @ mph
  engine: 
fuel capacity:  gals
alternator / generator: 
dynamic brakes: 
  trucks: 
traction motors: 
gear ratio: 
 
roster:
5250 class
road
number
model builder
information
history and configurations disposition
 
   511 
       
   511:2 
       
   5251 
       
   6961 

AMTK 511  Phase I
 
AMTK 511  Phase III
 
ATSF 511:2  Phase III
 
ATSF 5251  BYW2
 
BNSF 6961  BYW2
SDP40F
Phase I
       
SDP40Fu /
SDF40-2
builder:  EMD2,70,102
date:  Mar7397 /
  Jun732,39,70,200
serial no.: 
  72694-122,39,70,97,200
frame no.:  72694-12200
order no.:  72694200
AMTK SDP40F:
    • numbered:   511 
    • assignment:  passenger service,
        Southwest Limited, San Diegan
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  pointed97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1Mar80200
traded:  to ATSF Sep842,97 for CF7s and
    SSB1200s:
ATSF  511:2 2 Sep842,97
    • paint:  AMTK Phase III
    • repainted:  AMTK marks removed2,102
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2,102 4Feb / Apr8539,97
ATSF  5251 2,83,97 4Feb / Apr8539,97:
    • assignment:  freight service
    • paint:  BYW2201
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  point removed; platform and
        handrails added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsen97,x103
    Apr94:
    • road number:  "MKM" added below road
        number97,x103
transferred:  to BNSF Rwy Co merger35
    22Sep9535,
BNSF  6961 39,70,97 29Jan0039,70:
    • paint:  BYW2 with "BNSF" patch
  stored:  Barstow CA97 Feb0097 as
    "surge fleet"
  lugo:   location  30Jul0170
  stored:  Argentine KS or Barstow CA
    late0197
  retired:  2May0270,97
sold:  to Erman Corp70,97 Nov0270:
  scrapped:  Topeka KS97  date 
 
   526 
       
   526:3 
       
   5255 
       
   6965 

AMTK 526  Phase I
 
AMTK 526  Phase III
 
ATSF 526:3  Phase III
 
ATSF 5255  BYW2
 
BNSF 6965  BYW2
SDP40F
Phase I
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jun7339,97 /
  Jul732,70
serial no.: 
  72694-272,39,70,97,200
frame no.:  72694-27200
order no.:  72694200
AMTK SDP40F:
    • numbered:   526 
    • assignment:  passenger service,
        Southwest Limited
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  pointed97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 11Aug78200
traded:  to ATSF Sep842,97 for CF7s and
    SSB1200s:
ATSF  526:3  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 25Feb85 39,83,97
ATSF  5255 2,83,97 25Feb8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  point removed, platform, handrails,
        and door added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6965 39,70,97,x116 11Feb9839,70,x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  22Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
   615 
       
   615:1 
       
   5252 
       
   6962 

AMTK 615  Phase I
  ?
AMTK 615  Phase III
 
ATSF 615:1  Phase III
 
ATSF 5252  BYW2
 
BNSF 6962  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jan7497 /
  Jun742,39,70,200
serial no.: 
  74611-362,39,70,97,200
frame no.:  74611-36200
order no.:  74611200
AMTK SDP40F:
    • numbered:   615 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  repaint to Phase III uncertain
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  615:1  Sep842
    • paint:  ? AMTK Phase III, red / white /
        blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 7Feb8539,83,97
ATSF  5252 2,83,97 7Feb8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6962 39,70,97 3Aug0039,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  27Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
   622 
       
   622:2 
       
   5257 
       
   6967 

AMTK 622  Phase I
 
AMTK 622  Phase III
 
ATSF 622:2  Phase III
 
ATSF 5257  BYW2
 
BNSF 6967  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jan7497 /
  Jul742,39,70
serial no.: 
  74611-432,39,70,97,200
frame no.:  74611-43200
order no.:  74611200
AMTK SDP40F:
    • numbered:   622 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 14Oct79200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  622:2  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 8Mar8539,83,97
ATSF  5257 2,83,97 8Mar8539,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6967 39,70,97 24Jan0039,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  16Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Oct0270:
  scrapped:  Topeka KS97  date 
 
   6281 
       
   628:2 
       
   5258 
       
   6968 

AMTK 628  Phase I
  ?
AMTK 628  Phase III
 
ATSF 628:2  Phase III
 
ATSF 5258  BYW2
 
BNSF 6968  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Mar7497 /
  Jul742,39,70
serial no.: 
  74611-492,39,70,97,200
frame no.:  74611-49200
order no.:  74611200
SDP40F:
    • numbered:   628 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  repaint to Phase III uncertain
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  628:2  Sep842
    • paint:  ? AMTK Phase III, red / white /
        blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 13Mar8583,97
ATSF  5258 2,83,97 13Mar8539:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6968 39,70,97 5Mar9839,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  20Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Nov0270:
  scrapped:  Topeka KS97  date 
 
   629 
       
   629:2 
       
   5262 
       
   6972 

AMTK 629  Phase I
 
AMTK 629  Phase III
 
ATSF 629:2  Phase III
 
ATSF 5262  BYW2
 
BNSF 6972  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Mar7497 /
  Jul742,39,70,200
serial no.: 
  74611-502,39,70,97,200
frame no.:  74611-50200
order no.:  74611200
AMTK SDP40F:
    • numbered:   629 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1Aug80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  629:2  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 8Apr8539,83,97
ATSF  5262 2,83,97 8Apr8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF      6972 39,70,97 19Mar9839,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  18Dec0170
  retired:  2May0270,97
sold:  to Erman Corp70 Nov0270:
  scrapped:  Topeka KS97  date 
 
   630 
       
   630:3 
       
   5253 
       
   6963 

AMTK 630  Phase I
 
AMTK 630  Phase III
 
ATSF 630:3  Phase III
 
ATSF 5253  BYW2
 
BNSF 6963  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jun7497 /
  Jul742,39,70,200
serial no.: 
  74611-512,39,70,97,200
frame no.:  74611-51200
order no.:  74611200
AMTK SDP40F:
    • numbered:   630 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 30Dec80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  630:3  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 19Feb8539,83,97
ATSF  5253 2,83,97 19Feb8539,8,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6963 39,70,97 16Oct9839,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  25Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
   632 
       
   632:3 
       
   5264 
       
   6974 

AMTK 632  Phase I
  ?
AMTK 632  Phase III
 
ATSF 632:3  Phase III
 
ATSF 5264  BYW2
 
BNSF 6974  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Apr7497 /
  Jul742,39,70,200
serial no.: 
  74611-532,39,70,97,200
frame no.:  74611-53200
order no.:  74611200
AMTK SDP40F:
    • numbered:   632 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  repaint to Phase III uncertain
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  632:3  Sep842
    • paint:  ? AMTK Phase III, red / white /
        blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 24Apr8539,83,97
ATSF  5264 2,83,97 24Apr8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6974 39,70,97 10Mar / 11Mar9839,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  11Feb0270
  retired:  2May0297
sold:  to Erman Corp70 Oct0270:
  scrapped:  Topeka KS97  date 
 
   633 
       
   633:2 
       
   5259 
       
   6969 

AMTK 633  Phase I
 
AMTK 633  Phase III
 
ATSF 633:2  Phase III
 
ATSF 5259  BYW2
 
BNSF 6969  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jul742,39,70,97,200
serial no.: 
  74611-542,39,70,97,200
frame no.:  74611-54200
order no.:  74611200
AMTK SDP40F:
    • numbered:   633 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 3Sep81200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  633:2  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 20Mar8539,83,97
ATSF  5259 2,83,97 20Mar8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6969 39,70,97,x116 18May9839,70,x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  20Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Oct0270:
  scrapped:  Topeka KS97  date 
 
   634 
       
   634:2 
       
   5261 
       
   6971 

AMTK 634  Phase I
 
AMTK 634  Phase III
 
ATSF 634:2  Phase III
 
ATSF 5261  BYW2
 
BNSF 6971  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Apr7497 /
  Jul742,39,70,200
serial no.: 
  74611-552,39,70,97,200
frame no.:  74611-55200
order no.:  74611200
AMTK SDP40F:
    • numbered:   634 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 18Sep81200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  634:2  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 3Apr8539,97
ATSF  5261 2,83,97 3Apr8539,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6971 39,70,97,x116 5Jun9839,70,x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  26Nov0170
  retired:  2May0270,92
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
   635 
       
   635:1 
       
   5254 
       
   6964 

AMTK 635  Phase I
  ?
AMTK 635  Phase III
 
ATSF 635:1  Phase III
 
ATSF 5254  BYW2
 
BNSF 6964  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jul742,39,70,97,200
serial no.: 
  74611-562,39,70,97,200
frame no.:  74611-56200
order no.:  74611200
AMTK SDP40F:
    • numbered:   635 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  repaint to Phase III uncertain
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  635:1  Sep842
    • paint:  ? AMTK Phase III, red / white /
        blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 19Feb8583 / Mar8597
ATSF  5254 2,83,97 19Feb8539 / Mar8597:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6964 39,70,97 24Mar9839,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  22Nov0170
  retired:  2May0270,97
sold:  Erman Corp70 Oct0270:
  scrapped:  Topeka KS97  date 
 
   638 
       
   638:2 
       
   5260 
       
   6970 

AMTK 638  Phase I
  ?
AMTK 638  Phase III
 
ATSF 638:2  Phase III
 
ATSF 5260  BYW2
 
BNSF 6970  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jun7497 /
  Jul742,39,70,200
serial no.: 
  74611-592,39,70,97,200
frame no.:  74611-59200
order no.:  74611200
AMTK SDP40F:
    • numbered:   638 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  repaint to Phase III uncertain
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  638:2  Sep842
    • paint:  ? AMTK Phase III, red / white /
        blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 27Mar8539,97
ATSF  5260 2,83,97 27Mar8539,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6970 39,70,97 28Aug9839,70 / 2Sep98:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  3Dec0170
  retired:  2May0270,97
sold:  to Erman Corp70 Nov0270:
  scrapped:  Topeka KS97  date 
 
   639 
       
   639:1 
       
   5263 
       
   6963 

AMTK 639  Phase I
 
AMTK 639  Phase III
 
ATSF 639:1  Phase III
 
ATSF 5263  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2
date:  May7497 /
  Jul742,200 / Aug7439
serial no.: 
  74611-603,39,97,200
frame no.:  74611-60200
order no.:  74611200
AMTK SDP40F:
    • numbered:   639 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1Jan82200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  639:1  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 11Apr8539,83,97
ATSF  5263 2,39,83,97 11Apr8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
  wrecked: Barstow CA97 13Nov9839,97
  retired:  30Apr9997
  scrapped97:  Barstow CA39 May9939
 
   640 
       
   640:1 
       
   5256 
       
   6966 

AMTK 640  Phase I
 
AMTK 640  Phase III
 
ATSF 640:1  Phase III
 
ATSF 5256  BYW2
 
BNSF 6966  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jun7497 /
  Jul742,70,200 / Aug7439
serial no.: 
  74611-612,39,70,97,200
frame no.:  74611-61200
order no.:  74611200
AMTK SDP40F:
    • numbered:   640 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1May80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  640:1  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 6Mar85 39,83,97
ATSF  5256 2,83,97 6Mar8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6966 39,70,97,x116 19Feb9839,70,x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  22Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70Nov0270:
  scrapped:  Topeka KS97  date 
 
   643 
       
   643:1 
       
   5250 
       
   6960 

AMTK 643  Phase I
 
AMTK 643  Phase III
 
ATSF 643:1  Phase III
 
ATSF 5350  BYW2
 
BNSF 6960  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Jul742,70 /
  Aug7439,200 / Nov7497
serial no.: 
  74611-642,39,70,97,200
frame no.:  74611-64200
order no.:  74611200
AMTK SDP40F:
    • numbered:   643 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1Jan80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  643:1  Sep84:
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 31Jan8539,72,97
ATSF  5250 2,83,97 31Jan8539,72,97:
    • assignment:  freight service
    • paint:  BYW283,201,
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6960 39,70,97 8Jan0039,70:
    • paint:  BYW2 with "BNSF" patch
  lugo:  13Nov0170  location 
  retired:  2May0270,97
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
   644 
       
   644:1 
       
   5266 
       
   6976 

AMTK 644  Phase I
 
AMTK 644  Phase III
 
ATSF 644:1  Phase III
 
ATSF 5266  BYW2
 
BNSF 6976  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2
date:  Aug742,39,97,200
serial no.: 
  74611-652,39,97,200
frame no.:  74611-65200
order no.:  74611200
AMTK SDP40F:
    • numbered:   644 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1May80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  644:1  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 3May8539,83,97
ATSF  5266 2,83,97 3May8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103
    Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6976 39,97,x116 2Apr9839,x116:
    • paint:  BYW2 with "BNSF" patch
  retired:  May0297
  repaint:  Maersk97 NRE Mt Vernon IL97 Jun0297
  stored:  Topeka KS97 Oct0297
  to Northwest Rail Museum97 Portland OR Nov0397
 
   645 
       
   645:1 
       
   5267 
       
   6977 

AMTK 645  Phase I
 
ATSF 645:1  Phase I
 
ATSF 5267  BYW2
 
BNSF 6977  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Aug742,39,70,200 /
  Oct7497
serial no.: 
  74611-662,39,70,97,200
frame no.:  74611-66200
order no.:  74611200
AMTK SDP40F:
    • numbered:   645 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repaint:  no Phase III repaint
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  645:1  Sep842
    • paint:  AMTK Phase I, red / blue arrow102
    • repainted:  AMTK marks removed2,102
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 8May8539,83,97
ATSF  5267 2,83,97 8May8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103 Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6977 39,70,97,x116 11May9839,70,x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  27Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Nov0270:
  scrapped:  Topeka KS97  date 
 
   649 
       
   649:1 
       
   5265 
       
   6975 

AMTK 649  Phase I
 
AMTK 649  Phase III
 
ATSF 649:1  Phase III
 
ATSF 5265  BYW2
 
BNSF 6975  BYW2
SDP40F
Phase III
       
SDP40Fu /
SDF40-2
builder:  EMD2,70
date:  Aug742,39,70,200 /
  Sep7497
serial no.: 
  74611-702,39,70,97,200
frame no.:  74611-70200
order no.:  74611200
AMTK SDP40F:
    • numbered:   649 
    • assignment:  passenger service
    • paint:  AMTK Phase I, red / blue
        arrow200
    • nose:  no point97, no platform
    • headlights:  dual between number
        boards97,200, upper white Gyra-light,
        lower red102,200; dual white on nose
        door200
    • steam generators:  two97,102
  repainted:  AMTK Phase III, red / white /
    blue stripes before 1Jan80200
traded:  to ATSF Sep842 for CF7s and
    SSB1200s:
ATSF  649:1  Sep842
    • paint:  AMTK Phase III, red / blue stripes
    • repainted:  AMTK marks removed2
  remanufactured / renumbered / repainted:
    SDP40Fu / SDF40-2 ATSF San Bernardino
      CA2 26Apr8539,83,97
ATSF  5265 2,83,97 26Apr8539,83,97:
    • assignment:  freight service
    • paint:  BYW2
    • headlights:  door lights removed97,102
  rebuilt:
    • nose:  platform, handrails, and door
        added
    • steam generators:  all equipment removed97
    • headlights:  upper lights moved to nose
        door early8897
    • stepwells:  modified late8897
  maintenance:  to Morrison Knudsenx103 Apr94:
    • road number:  "MKM" added below road
        numberx103
transferred:  BNSF Rwy Co merger35
    22Sep9535:
BNSF  6975 39,70,97,x116 28Jan39,70 /
  12Feb98x116:
    • paint:  BYW2 with "BNSF" patch
  lugo:   location  22Nov0170
  retired:  2May0270,97
sold:  to Erman Corp70 Sep0270:
  scrapped:  Topeka KS97  date 
 
references:
 
 
 
abbreviations:
 
 
 
notes:
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  Last upgraded 14 September 2020.

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