SP SD40 page: Locomotives painted into the "Speed Lettering" scheme

The merger of the SP and Rio Grande railroads brought the Speed Lettered paint scheme, which was applied to various locomotives (and freight cars.) This is a list of units known to have been so painted. The list may grow over time. Very few SP units retained their gyralight packages after being repainted into speed lettering, however at least one SD40 is rumored to have operated for some time with its gyralight package intact after repainting. The units are listed as follows:

Speed Lettered SP SD40R's:

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