ATSF logo ATSF GE U25B
1600 class
renumbered to 6600 class
master power roster with specifications and references
 
 
 
scroll to
and click
on desired
road number
   1600 class
number
  6600 class
renumber
 
specifications
power:  2,500 hp1,de195
weight:  lbs
tractive effort:  lbs
   engine:  Cooper-Bessemer Model FVDL-16-Tde195
gear ratio 
  generator: 
traction motors: 
 
roster
1600 and 6600 classes
road
number 		model builder info history disposition
 1600 
 
  6600 		U25B builder:  GE 1,6,de195
date:  Apr627,de195
serial no.:  342467,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint6,13p,de195p
    • trucks:  AAR-B13,de195
renumbered:   6600 6,7,de195 1969-706,de195 		retired:  9Jan79x67,de195;
traded:  to GE6,de195 Feb796,de195
 1601 
 
  6601 		U25B builder:  GE1,6,de195
date:  Apr627,de195
serial no.:  342477,de195
requisition no.:
  391-0846611
production order no.:
  132111
order no.: 
delivered:  [date]:
    • paint:  BYT2 paint6,de195p
    • trucks:  AAR-B10p,de195
renumbered:   6601 6,7,10p,de195 bef
  9Apr706,10,de195 		retired:  5Dec78de195;
traded:  to GE 6,de195 Feb79 6,de195
 1602 
 
  6602 		U25B builder:  GE 1,6,de195
date:  Apr62 7,de195
serial no.:  34248 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,10p,de195p
    • trucks:  AAR-B10p,de195
renumbered:   6602  6,7,de195p 1969-70 6,de195 		retired:  1979 de195;
traded:  to GE 6,de195 Feb79 6
 1603 
 
  6603 		U25B builder:  GE 1,6,de195
date:  Apr62 7,de195
serial no.:  34249 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,10p,de195p
    • trucks:  AAR-Bde195
renumbered:   6603  6,7,de195p 1969-70 6,de195 		retired:  30Oct78 de195;
traded:  to GE 6,de195 Nov78 de195 /
  Feb79 6
 1604 
 
  6604 		U25B builder:  GE 1,6,de195
date:  May62 7,de195
serial no.:  34250 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,10p,13p,de195p
    • trucks:  AAR-Bde195p
renumbered:   6604  6,7,de195p 1969-70 6,de195,
  repainted:  BYW2 paint de195p bef
    19Sep77de195 		retired:  19Dec78de195,x66;
traded:  to GE6,de195 Feb796,de195
 1605 
 
  6605 		U25B builder:  GE 1,6,de195
date:  May62 7,de195
serial no.:  34251 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,10p,de195p
    • trucks:  AAR-Bde195p
renumbered:   6605  6,7,10p,de195 bef
  9Apr70 6,10,de195 		retired:  5Dec78 de195;
traded:  to GE 6,de195 Feb79 6,de195
 1606 
 
  6606 		U25B builder:  GE 1,6,de195
date:  May62 7,de195
serial no.:  34252 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195
    • trucks:  AAR-Bde195
renumbered:   6606  6,7,de195 1969-70 6,de195 		retired:  30Oct78 de195;
traded:  to GE 6,de195 Nov78 de195 /
  Feb79 6
 1607 
 
  6607 		U25B builder:  GE 1,6,de195
date:  May62 7,de195
serial no.:  34253 7,de195
requisition no.:
  391-0846611
production order no.:
  132111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195p
renumbered:   6607  6,7,de195 1969-70 6,de195,
  repainted:  BYW2 paint 1p [date] 		retired:  30Oct78 de195;
traded:  to GE 6,de195 Nov78 de195 /
  Feb79 6
 1608 
 
  6608 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34677 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195
    • trucks:  AAR-Bde195
renumbered:   6608  6,7,de195 1969-70 6,de195,
  repainted:  BYW2 paint de195p bef 15Apr75 de195,
  leased:  to Kennecott Copper Cox52,x53 Sep75x52,x53 		retired:  19Dec78de195,x66;
traded:  to GE6,de195 Feb796,de195
 1609 
 
  6609 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34678 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195p
renumbered:   6609  6,7,de195p 1969-70 6,de195 		retired:  5Dec78 de195;
traded:  to GE 6,de195 Feb79 6,de195
 1610 
 
  6610 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34680 7 /
  34681 de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195p
renumbered:   6610  6,7,de195 1969-70 6,de195 		retired:  9Jan78de195/9Jan79x67;
traded:  to GE6,de195 Feb796,de195
 1611 
 
  6611 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34681 7 /
  34680 de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195
renumbered:   6611  6,7,de195 1969-70 6,de195,
  leased:  to Kennecott Copper Cox52,x53 Sep75x52,x53 		retired:  5Dec78 de195;
traded:  to GE 6,de195 Feb79 6,de195
 1612 
 
  6612 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34679 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195
    • trucks:  AAR-Bde195p
renumbered:   6612  6,7,de195 1969-70 6,de195,
  repainted:  BWY2 paint de195p bef
    26Mar73 de195 		retired:  30Oct78 de195;
traded:  to GE 6,de195 Nov78 de195 /
  Feb79 6
 1613 
 
  6613 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34682 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195p
renumbered:   6613  6,7,de195 1969-70 6,de195 		retired:  9Jan78de195/9Jan79x67;
traded:  to GE6,de195 Feb796,de195
 1614 
 
 
 
  6614 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34683 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195p
    • trucks:  AAR-Bde195
  no walkway battery boxes 6,de195p,
  no walkway air filter boxes 21;
renumbered:   6614  6,7,de195 1969-70 6,de195,
  repainted:  BYW2 paint de195p bef 1Jul74 de195 		retired:  5Dec78 de195;
traded:  to GE 6,de195 Feb79 6,de195
 1615 
 
 
 
  6615 		U25B builder:  GE 1,6,de195
date:  Feb63 7,de195
serial no.:  34684 7,de195
requisition no.:
  391-4265411
production order no.:
  137111
 delivered:  [date]:
    • paint:  BYT2 paint 6,de195
    • trucks:  AAR-Bde195
  no walkway battery boxes 6,de195,
  no walkway air filter boxes 21;
renumbered:   6615  6,7,de195 1969-70 6,de195		 retired:  1979 de195;
traded:  to GE 6,de195 Feb79 6
 
references
note:  the suffix "p" in reference notations indicates an image in that source
  1  Joe McMillan, Santa Fe's Diesel Fleet, 1975.
  6 Gregg Fuhriman, private ATSF roster information.
  7 Tom Chandler, ATSF roster information hosted at QStation.org.
10 Lloyd E. Stagner, Santa Fe, 1940-1071, vol. 1, "Chicago-Kansas City."
11 David Dallner, private ATSF roster information.
13 Lloyd E. Stagner, Santa Fe, 1940-1971, vol. 4, "Texas-El Capitan."
21  Evan Werkema, ATSF forum, http://groups/yahoo.com/group/ATSF/.
50  QStation, ATSF Index to the ABPR, http://www.qstation.net/abpr/atsf/atsf_ge.html.
 
de195 "Diesel Era," vol. 19, num. 5, September/October 2008.
 
  x52 "Extra 2200 South," issue 52, May-June 1975.
  x53 "Extra 2200 South," issue 53, July-September 1975.
  x66 "Extra 2200 South," issue 66, October-December 1978.
  x67 "Extra 2200 South," issue 67, January-March 1979.
 
notes
1   Permission to print and/or download HTML code in its entirety for personal, non-commercial use
    is granted.
2  Hyperlinks are added at the units' serial numbers for use by and convenience of users.  They are provided to permit linkage to other information or
    images of that unit.
3  Contributions of precise, accurate data are welcomed.
4  Last upgraded 6 March 2010.