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

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Model Train Help EBook

Southern Pacific GP20

delivered as 7200 - 7237 in 1962

38 units delivered

7234-7237 were ex EMD Demonstrators #5625-5628


original numbering
7200 7201 7202 7203 7204 7205 7206 7207 7208 7209
7210 7211 7212 7213 7214 7215 7216 7217 7218 7219
7220 7221 7222 7223 7224 7225 7226 7227 7228 7229
7230 7231 7232 7233 7234 7235 7236 7237

1965 renumbering
4050 4051 4052 4053 4054 4055 4056 4057 4058 4059
4060 4061 4062 4063 4064 4065 4066 4067 4068 4069
4070 4071 4072 4073 4074 4075 4076 4077 4078 4079
4080 4081 4082 4083 4084 4085 4086 4087


Starting in 1974, the SP and Cotton Belt GP20's were cycled through a Sacramento rebuild program to become GP20E's, although not all were rebuilt; some ending their days without being rebuilt.

see the SP GP20 model info page for a detail breakdown for the variations.

see also Cotton Belt (SSW) GP20


References:

  • SP Dieselization by John Bonds Garmany
  • SP 1987/88 Motive Power Pictorial by Joe.W.Shine, - Page 95.
  • SP into the '90s by Joe.W.Shine Page 169.
  • 1995 Southern Pacific Motive Power Annual.
  • Southern Pacific Rails - a motive power finale by Peter Limas
  • Diesel Era Vol.9 No.4 Jul/Aug 1998 pages 38-55 - usual Diesel Era comprehensive coverage including color photos of SP and SSW units.
  • The GP20 and SD24 EMD's Turbocharging Duo by Diesel Era (Wither's Publishing)
  • Southern Pacific Historic Diesels Vol.13 by Joe Strapac

Lionel information kindly supplied by Britt Johnson

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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