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

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Texas and New Orleans ALCo S-2

122 units delivered

48 units delivered to T&NO


T&NO units
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
60 61 62 63 64 65 66 67 68 69
70 71
89
90 91 92 93 94
SP numbered units
1721 1722 1723 1724 1725 1726 1727 1728 1729
1730 1731 1732 1733 1734 1735 1736 1737 1738 1739
1740 1741 1742 1743 1744 1745 1746 1747 1748 1749
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759
1760 1761 1762 1763 1764 1765

Extras
44

see also the SP S-2 page for more photo's


Arthur M. Byrd - At Houston Hardy Street Shops in 1964


SP received 74 and T&NO got 48 of these units, making a total of 122 on the system.

An ALCO S-2 Roster will show these occupied 4 distinct number series, in 3 different classes. Differences were limited to minor mechanical things and marginal variation in weight. Some received radio equipment and train indicators, none were ever MU capable.

The 1965 renumbering was based on units in service at the time, and was generally non-sequential, ie. the next unit was given the next number.

In 1965 only 82 S-2's remained in service, by September (the actual renumber time) another 8 had bit the dust...

The RMC article listed below by Tony Thompson gives quite a detailed history of these units, and the paint schemes they wore. So as it is a recent and still available article, I'll suggest you get that to use as a reference to detailing a model.


References:

  • MR Diesel Cyclopedia Vol.2 page 40 - Plans for an S2.
  • Railroad Modeler Sept. 1974 page 46 - Know your Diesel - no SP, but lots of pics.
  • SP Dieselization by John Bonds Garmany - Chapter 6, Pre-war switchers.
  • Extra 2200 South 1976 Roster Part I, Issue 54, Oct/Nov/Dec 1975
  • Extra 2200 South 1976 Roster Part III, Issue 56, Apr/May/Jun 1976
  • Southern Pacific Motive Power Annual 1967-69 - page 7.
  • SP Historic Diesels Vol.6 - Chapter 2 - by Joe Strapac

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

Wednesday, 2 March 2005