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California's Railroad to the U.S. 1861 - 1996

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Model Train Help EBook

Southern Pacific RS11

37 units delivered


5720 5721 5722 5723 5724 5725 5726 5727 5728 5729
5845 5846 5847 5848 5849
5850 5851 5852 5853 5854 5855 5856 5857 5858 5859
5860 5861 5862 5863 5864 5865 5866 5867 5868 5869
5870 5871

2900 2901 2902 2903 2904 2905 2906 2907 2908 2909
2910 2911 2912 2913 2914 2915 2916 2917 2918 2919
2920 2921 2922 2923 2924 2925 2926 2927 2928 2929
2930 2931 2932 2933 2934 2935 2936

SP RS11 on train #247 at Oakland's 16th ST. station

SP RS11 on train #247 at Oakland's 16th St. station.


4 views of RS11 #2927 from Terry Kirkland via Ed Cooper


5720 and 5721 were Alco demonstrators delivered in 1956 in Black Widow paint they were setup long hood forward and had steam generator controls and ATS.

5722 was also a long hood forward demonstrator but actually had a steam generator and ATS. Was the only RS11 with a steam generator.

5723 - 5729 delivered in 1956 in Black Widow paint but setup short hood forward

5845 - 5865 delivered in 1959 in Scarlet and Grey setup short hood forward

5866 - 5871 delivered in 1959 in Scarlet and Grey setup short hood forward and were the only RS11's with low nose or short hood.

For a total of 37 RS 11's. These were downgraded to switching service during the 1965 Espee renumbering, and renumbered sequentially; #5720 became #2900 thru #5871 became #2936.

SP's RS11's came in three batches, the exDemo's, the 1956 and 1959 builds. As such they exhibit some external differences, these are important to modelers, perhaps less important to others.

David Thompson has a webpages devoted to the differences that modelers concern themselves with and the RS11 is covered here. From David's data, the Demo's and the first batch are Phase Ia and the rest are Phase IIa. Obvious spotting difference is the arrangement of the upper carbody air filters.


References:

  • Model Railroading Dec. 1988 - SP RS11 Diesel Detail Close-up - Proto photo of SP 2913, 2921.
  • Mainline Modeler Nov. 1986 - Plans RS11

SP RS11 Model Page


Additional Magazine References supplied by Bruce Conklin.
Corrected Prototype Numbering supplied by Don Jewell.

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website logo for use in banner exchange [185 x 50] (5k) This document prepared and maintained by Richard.A.Percy.
All Corrections, Additions and Flames should be aimed at Richard Percy espee@railfan.net
This document © 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007. Richard.A.Percy

24/2/2007