Nope- - - -the bigger trucks, 1 1/2 ton and up, had slightly wider front fenders with larger wheel openings to clear the 20" or sometimes bigger tires and wheels the big rigs ran. Most 3800's ran 18" split-rim wheels for tube-type tires, or 19.5's for tubeless.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!