WC SD45 6619 shows off its colors at Shops Yard, North Fond du Lac, WI in the presence of an Alco switcher, WC business car and three more SD45s, one still in Santa Fe colors. The unit would be upgraded to an SD45u by WC and renumbered 7619. It was built in April 1969 as ATSF 5591, renumber to ATSF 5388 by the time WC acquired it.