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 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615   6600 class renumber 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615

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:  GE1,6,de195 date:  Apr627,de195 serial no.:  342467,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1600 :     • delivered:   date      • assignment:      • paint:  BYT26,13p,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	numbered:   1601 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-B10p,de195 renumbered:   6601 6,7,10p,de195 bef   9Apr706,10,de195	retired:  5Dec78de195; traded:  to GE6,de195 Feb796,de195
1602     6602	U25B	builder:  GE1,6,de195 date:  Apr627,de195 serial no.:  342487,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1603 :     • delivered:   date      • assignment:      • paint:  BYT26,10p,de195p     • trucks:  AAR-B10p,de195 renumbered:   6602 6,7,de195p 1969-706,de195	retired:  1979de195; traded:  to GE6,de195 Feb796
1603     6603	U25B	builder:  GE1,6,de195 date:  Apr627,de195 serial no.:  342497,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1603 :     • delivered:   date      • assignment:      • paint:  BYT26,10p,de195p     • trucks:  AAR-Bde195 renumbered:   6603 6,7,de195p 1969-706,de195	retired:  30Oct78de195; traded:  to GE6,de195 Nov78de195 /   Feb796
1604     6604     6604	U25B	builder:  GE1,6,de195 date:  May627,de195 serial no.:  342507,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1604 :     • delivered:   date      • assignment:      • paint:  BYT26,10p,13p,de195p     • trucks:  AAR-Bde195p renumbered:   6604 6,7,de195p 1969-706,de195,   repainted:   6604 de195p bef 19Sep77de195:     • paint:  BYW2	retired:  19Dec78de195,x66; traded:  to GE6,de195 Feb796,de195
1605     6605	U25B	builder:  GE1,6,de195 date:  May627,de195 serial no.:  342517,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1605 :     • delivered:   date      • assignment:      • paint:  BYT26,10p,de195p     • trucks:  AAR-Bde195p renumbered:   6605 6,7,10p,de195 bef   9Apr706,10,de195	retired:  5Dec78de195; traded:  to GE6,de195 Feb796,de195
1606     6606	U25B	builder:  GE1,6,de195 date:  May627,de195 serial no.:  342527,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1606 :     • delivered:   date      • assignment:      • paint:  BYT26,de195     • trucks:  AAR-Bde195 renumbered:   6606 6,7,de195 1969-706,de195	retired:  30Oct78de195; traded:  to GE6,de195 Nov78de195 /   Feb796
1607     6607     6607	U25B	builder:  GE1,6,de195 date:  May627,de195 serial no.:  342537,de195 requisition no.:   391-0846611 production order no.:   132111	numbered:   1607 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195p renumbered:   6607 6,7,de195 1969-706,de195,   repainted:   6607 1p &nlbsp;date	retired:  30Oct78de195; traded:  to GE6,de195 Nov78de195 /   Feb796
1608     6608     6608	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346777,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1608 :     • delivered:   date      • assignment:      • paint:  BYT26,de195     • trucks:  AAR-Bde195 renumbered:   6608 6,7,de195 1969-706,de195,   repainted:   6608 de195p bef 15Apr75de195:     • paint:  BYW2	leased:  to Kennecott Copper Cox52,x53 Sep75x52,x53; retired:  19Dec78de195,x66; traded:  to GE6,de195 Feb796,de195
1609     6609	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346787,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1609 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195p renumbered:   6609 6,7,de195p 1969-706,de195	retired:  5Dec78de195; traded:  to GE6,de195 Feb796,de195
1610     6610	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346807 /   34681de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1610 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195p renumbered:   6610 6,7,de195 1969-706,de195	retired:  9Jan78de195/9Jan79x67; traded:  to GE6,de195 Feb796,de195
1611     6611	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346817 /   34680de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1611 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195 renumbered:   6611 6,7,de195 1969-706,de195	leased:  to Kennecott Copper Cox52,x53 Sep75x52,x53; retired:  5Dec78de195; traded:  to GE6,de195 Feb796,de195
1612     6612     6612	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346797,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1612 :     • delivered:   date      • assignment:      • paint:  BYT26,de195     • trucks:  AAR-Bde195p renumbered:   6612 6,7,de195 1969-706,de195,   repainted:   6612 de195p bef 26Mar73de195:     • paint:  BYW2	retired:  30Oct78de195; traded:  to GE6,de195 Nov78de195 /   Feb796
1613     6613	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346827,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1613 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195p renumbered:   6613 6,7,de195 1969-706,de195	retired:  9Jan78de195/9Jan79x67; traded:  to GE6,de195 Feb796,de195
1614     6614     6614	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346837,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1614 :     • delivered:   date      • assignment:      • paint:  BYT26,de195p     • trucks:  AAR-Bde195   no walkway battery boxes6,de195p,   no walkway air filter boxes21; renumbered:   6614 6,7,de195 1969-706,de195,   repainted:   6614 de195p bef 1Jul74de195:     • paint:  BYW2	retired:  5Dec78de195; traded:  to GE6,de195 Feb796,de195
6615	U25B	builder:  GE1,6,de195 date:  Feb637,de195 serial no.:  346847,de195 requisition no.:   391-4265411 production order no.:   137111	numbered:   1615 :     • delivered:   date      • assignment:      • paint:  BYT26,de195     • trucks:  AAR-Bde195   no walkway battery boxes6,de195,   no walkway air filter boxes21; renumbered:   6615 6,7,de195 1969-706,de195	retired:  1979de195; traded:  to GE6,de195 Feb796

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  Format ©copyright 2006-2025, Gene Crossett, Jr.  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.