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Note the yellow stain under the radiator on the trailing SD45. That's dried chromate. Chromate was the preferred water treatment for the cooling system then. It was yellow. SD45's radiators were notorious leakers. You'd often see yellow icicles in winter- a problem later solved with mechanically bonded radiator cores instead of solder.
Year
Original Date
5/22/77
Location
Predecessor Paint Scheme
Line or Locale
Collection
