Kansas City Southern's "Ghost" Locomotives
KCS SD40X photo here
The 3500-hp SD40X, was the predecessor of the SD50. Only four of the prototypes were built (#700-703), and they all were delivered to the KCS. The quartet were built in August 1978. This Bob Courtney photo of 700 was taken on 11 July 1986 at Page, OK. By the close of 2006, the EMD prototypes were off the roster.

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