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

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Southern Pacific SD45R

Image of HO Scale Athearn SD45 in Kodachrome paint

SP SD45R #7551, This model is actually an Athearn SD45 that has been narrowed to scale hood width. This was a conversion done before Rail Power Products brought out their scale SD45 shell. Floquil SP Scarlet, Reefer Yellow and Engine Black, Microscale decal sheet #87-469

#7551 was the first SP unit to be painted in the SPSF Merger scheme aka 'Kodachrome paint'.

I also used the Railroad Model Craftsman March 1986 SPSF article, and the Model Railroader May 1986 Santa Fe article in building this model.

see also my SD45 Info Page for more References.

Models Available:

N Scale:

  • Bachmann
  • Con-Cor
  • Model Power
  • Kato

HO Scale:

  • LifeLike
  • Athearn
  • Bachmann
  • Kato
  • Rail Power Products

O Scale:

  • ?

G Scale:


  • Railroad Model Craftsman Jan, '68 - Plans.
  • Mainline Modeler, Sep. '92 Page 30 - Modeling SP's SD45's - RPP shell, OMI drive.
  • Model Railroading, Aug, '91 Page 18, Diesel Detail Closeup SD45R.
  • RailModel Journal Aug, '95 Page 28, One Detail at a Time - SD45R Kodachrome.

Image of Railpower SD45 shell on Athearn chassis.

SP 7521 is a Railpower Shell on an Athearn chassis, with Smokey Valley #99 sideframes. Standard espee blood nose paint, Microscale #87-447 decals.

Dave Henry has kindly sent a prototype shot of SP SD45R 7521

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This document © 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010. Richard.A.Percy