The Chrysler Corporation sold vans based on the B-Series platform from the 1971 through 2003 model years, giving them Dodge, Plymouth and Fargo badging along the way. Today's Junkyard Find is a first-generation B-van, found in a Colorado boneyard.

The Mystery Machine from the "Scooby-Doo" animated series has inspired countless van owners to slather on various blue/green/yellow/whatever paint schemes over the decades, and that's what happened to this Tradesman.

I was three years old when the "Scooby Doo, Where Are You!" series launched, but I managed to avoid it for my entire Generation X childhood (though I was heavily influenced by Simon Bar Sinister's brain-reprogramming Phoney Booths in "Underdog" at that time).

Working as a wise and respected judge for the 24 Hours of Lemons Supreme Court since 2008, I've seen plenty of Mystery Machine-themed race cars, including some genuine vans.

You can get away with a Mystery Machine race wagon, too, as long as the team's costumes measure up.

A Sentra Mystery Machine? Why not?

Subaru Mystery Machine? Sure!

You get the idea. And yet with all the Mystery Machines I've seen on race tracks and at car shows, today's '77 Tradesman is the first Mystery Machine I've documented in a junkyard.

Maybe they just don't get thrown away, unlike Kidnapper Vans (this one got discarded in a Northern California yard back in 2007 or so).

This Tradesman got a mild camper conversion at some point.

It has wood paneling, mismatched junkyard-obtained captain's chairs and break-in-proof rear windows.

For the 1971 through 1980 model years, the passenger versions of these vans were given Sportsman badging, while the cargo versions were Tradesmen. The Tradesmen were preferred for customizing, because the windowless side sheet metal provided more space for airbrush murals and bubble windows shaped like hearts or pot leaves.

For 1981, the passenger B-Series vans became Ram Wagons and the cargo versions became Ram Vans.

Production continued through 2003, though major revisions took place in 1998 and body components from those vans won't swap with the 1971-1997 vans (underneath the skin, the chassis remained more or less unchanged).

Ford and GM stuck with their B-Series competitors for similar spans. Ford's E-Series (best known as the Econoline) stayed about the same from the 1975 through 1991 model years, then lived on a version of the original chassis through 2014. General Motors built the G-Series Sportvan/ Rally/ Chevy Van/ Vandura in essentially the same form from 1971 through 1996.

The build tag says it was built at St. Louis Assembly, and that its first engine was a 318-cubic-inch V8 with one-barrel carburetor.

This is a Chrysler LA small-block for sure, and that's a Carter BBD one-barrel carburetor, so it could be the original engine.

Instead of the base three-speed column-shift manual, this van has the optional three-speed automatic. Such luxury! Chrysler went to four-on-the-floor rigs for their three-pedal B-vans a few years later, with the shifter mounted where the driver had to reach back for it.

It's rusty in the usual spots, and there's not much demand for Malaise Era Mystery Machines with 150-horsepower smog V8s. Next stop: The Crusher!

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

1977 Dodge Tradesman 200 in Colorado junkyard.

[Images: The Author]

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