http://www.allpar.com/trucks/dodge/dude.html

In August 1969, Dodge introduced a new model to the Sweptline pick-up series. The “Custom Sweptline” held the title “Dude Sport Trim Package.” This new model was essentially the standard D100, (1/2 ton), 128″ wheelbase pick-up Dodge already had in production, with an added black or white body-side `C’ stripe decal; a Dodge Dude decal on the box at the rear marker lamps; tail lamp bezel trim; and dog dish hub caps with trim rings.
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