ATSF ALCo RSD4 2100 class
	master power roster with specifications and references

specifications

power:  1,600 hp1,x129 weight:  358,250 lbsx129 tractive effort:  89,560 lbsx129   engine:  ALCo 12-244x129 fuel capacity:  gear ratio:  74:18x129 trucks:    generator:  GE GT581x129 traction motors:  GE 752x129

roster

2100 class
road number	model	builder info	history	disposition
2100	RSD4	builder:  ALCo11 date:  Jun511,de92,x129 serial no.:  78218de92,x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1	retired:  28Jun68de92,x129; traded:  to EMDde92 19681 for F451/SD45de92 series
2101	RSD4	builder:  ALCo11 date:  Jun511,x129 serial no.:  78386x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1	retired:  4Sep66de92,x129; traded:  to GEde92 ???661 for U28CG series1,de92
2102	RSD4	builder:  ALCo11 date:  Jul511,x129 serial no.:  78387x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1	retired:  28Jun68de92,x129; traded:  to EMDde92 19721 for SD45de92/SD45-21 series
2103	RSD4	builder:  ALCo11 date:  Aug511,x129 serial no.:  78388x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1,51,   repainted:  after Oct5851	retired:  14Mar69de92,x129; traded:  to GEde92 ???691 for U33C series1,de92
2104	RSD4	builder:  ALCo11 date:  Aug511,40,x129 serial no.:  78389x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1,   repainted:   2104  after 2May6240:     • paint:  BYT2	retired:  14Mar69de92,x129 traded:  to GEde92 ???691 for U33C series1,de92
2105	RSD4	builder:  ALCo date:  Sep511,x129 serial no.:  78390x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1	retired:  28Jun68de92,x129 traded:  to EMDde92 19691 for SD45de92/SD45-21 series
2106	RSD4	builder:  ALCo11 date:  Sep511,x129 serial no.:  78741x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1,   repainted:   2106  before 22Apr6240:     • paint:  BYT240,51	retired:  22Apr70x23/18Jun69de92,x129 traded:  to EMDde92,x23 ???701 for SD45 series1,de92
2107	RSD4	builder:  ALCo11 date:  Sep511,x129 serial no.:  78742x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1,51,   repainted:  after 7May6251	retired:  28Jun68de92,x129 traded:  to EMDde92 19681 for F451/SD45de92 series
2108	RSD4	builder:  ALCo11 date:  Sep511,x129 serial no.:  78743x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1	retired:  31Mar651,de92,x129 traded:  to EMDde92  date  for GP35 seriesde92
2109	RSD4	builder:  ALCo11 date:  Oct511,x129 serial no.:  78744x129 spec no.:  E-1663de92 order no.:  S315011,de92	delivered:   date :     • paint:  BSAWZ1,   repainted:   2109  before 22Apr6240:     • paint:  BYT240	retired:  14Sep65de92,x129 traded:  to EMDde92 ???661 for GP35de92/SD401 series

references

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. 11 David Dallner, private ATSF roster information. 40 Steve Allen Goen, Santa Fe in the Lone Star State:  Volume One -- 1949-1969, 2000. 51 Lloyd E. Stagner, Santa Fe 1940-1971 in Color -- Volume 2:  Kansas City-Albuquerque, 1993.     de92  "Diesel Era," vol. 9, no. 2, March/April 1998.     x23  "Extra 2200 South," volume 8, number 6, June-July 1970. x129  "Extra 2200 South," issue 129.

abbreviations

ALCo -- American Locomotive Company ATSF -- Atchison, Topeka & Santa Fe Railway  BYT2  -- ATSF blue with yellow ends and yellow trim paint  BSAWZ  -- ATSF black with silver/aluminum/white zebra stripe paint

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 29 June 2011.