1968 Dodge Coronet Gets Rear Tracks, Becomes A Muscle Snowmobile

Take a genuine 1968 Dodge Coronet, strip off the rear wheels, and bolt on a pair of snowmobile tracks, and you get a machine that shouldn’t work but somehow does. This half-track conversion trades quarter-mile bragging rights for the ability to plow through drifts most trucks wouldn’t attempt, built by a hobbyist working almost entirely from scratch. Half-track conversions have a strange, scattered history in American car culture — finding one wearing a genuine muscle car body is rarer still. Read on to find out what makes this build so unusual.

Somewhere out there is a garage that took one look at a perfectly good quarter-mile machine and decided its real calling was crawling through three feet of snow. This 1968 Dodge Coronet still wears its factory nose and doors, but the rear wheels are gone, replaced by a pair of snowmobile tracks bolted straight to what used to be a drag-strip driveline. Half-track conversions like this one occupy a strange, barely-documented corner of American car culture, built by hobbyists rather than factories, for reasons that rarely make complete sense on paper. What does a big-block Mopar sound like clawing sideways through a blizzard instead of laying rubber on warm asphalt?

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A Body Never Built for This

The Coronet’s unibody structure and suspension geometry were engineered around asphalt, quarter-mile launches, and stoplight duels, not snow traversal. Converting the rear axle to accept tracks means discarding the factory differential mounting points and rear suspension geometry Chrysler’s engineers spent years tuning, and replacing them with a completely different load path the car’s frame rails were never designed to carry. It’s the kind of modification that looks simple in a photo and is anything but simple in an actual garage. Chrysler’s engineers tuned that geometry specifically around Super Bee and Coronet R/T variants running quarter-mile passes on prepared strips, never anything resembling snow-covered terrain.

Half-Tracks Have Deeper Roots Than You’d Think

Rear-track conversions trace back to snowcat and snow coach builds going back decades, almost always built on trucks or purpose-designed chassis rather than passenger cars, let alone muscle cars. A handful of aftermarket kits marketed to hunters and rural drivers in the 1960s and ’70s made this kind of swap technically possible on a passenger car platform, but doing it to a Coronet built for the strip, not the trapline, was never the intended use case. Companies like Canadian-built Bombardier produced dedicated snow vehicles for decades, but retrofitting a factory unibody car with that same hardware required entirely custom fabrication rather than a bolt-on kit.

Weight Distribution Fights Back

A big-block Coronet already carries a nose-heavy weight bias tuned for straight-line grip on dry pavement, which is close to the opposite of what actually works when floating over deep snow. Tracks spread the contact patch dramatically wider than any tire ever could, trading top speed and cornering agility for the kind of flotation and traction that lets a vehicle climb terrain a stock muscle car wouldn’t survive fifty feet into. Engineers who design purpose-built snowcats spend considerable effort balancing that same equation from scratch, which only highlights how much improvisation a garage conversion like this one demands.

The Engineering Nobody Signs Off On

None of Dodge’s original engineers ever validated a Coronet’s chassis, brakes, or driveline for track duty, which means every part of a build like this one is trial-and-error hobbyist engineering rather than anything backed by a factory spec sheet. Gearing has to be recalculated entirely, since a differential tuned for quarter-mile launches on pavement behaves completely differently under the load and rolling resistance of a snow track. Brake bias calculations change too, since a track’s rolling resistance in snow bears no resemblance to a tire’s grip on dry asphalt, forcing the builder to essentially guess and adjust through trial runs.

One-Off by Necessity

Builds like this rarely show up twice; most documented half-track muscle car conversions are one-off garage projects that never get properly cataloged, which makes a Coronet’s survival and visibility online more unusual than the mechanical work alone. There’s no kit catalog, no established parts supplier, and no community of builders sharing notes — anyone attempting this is largely working it out from scratch. Even basic questions, like how much ground clearance the conversion actually needs, get answered through direct experimentation rather than any published reference.

Why a Coronet, Specifically

The 1968 Coronet occupied Dodge’s midsize intermediate lineup, sharing its platform with the Charger and Super Bee that same year, and buyers could order it with everything from a mild slant-six up through genuine big-block muscle. A Coronet wearing serious cubic inches under the hood gives a snow conversion like this one real straight-line grunt once the tracks find purchase, something a smaller-displacement conversion candidate couldn’t match. That same 1968 platform also underpinned the Charger’s fastback body, meaning parts compatibility for engine and driveline work would have been relatively easy to source from a builder’s perspective.

Not a Daily Driver, and Not Trying to Be

Nobody is commuting on a track-equipped Coronet, and that’s precisely the point. It exists as a driveway curiosity and a conversation-starter at winter car meets, a build whose entire purpose is proving something can be done rather than solving any practical transportation problem. That distinction matters to the specific breed of builder who takes this project on in the first place. Insurance alone would make year-round use impractical, since no standard policy anticipates a muscle car permanently modified to run on tracks instead of tires.

The Sound Is the Real Payoff

A big American V8 clawing through snow produces a completely different acoustic signature than the same engine breaking traction on warm pavement — a lower, more mechanical growl as the tracks fight for grip rather than the sharp bark of tires spinning free. It’s an experience built purely for the person behind the wheel and anyone lucky enough to be standing nearby when it happens. Onlookers who’ve seen half-track builds in person often describe the sensation as closer to watching a tank maneuver than a car driving, thanks to how differently the vehicle transmits engine noise through the ground.

Muscle Car Culture’s Weirder Corners

Enthusiast culture around cars like the Coronet usually centers on numbers-matching originality, documented build sheets, and concours-correct restorations. A half-track conversion sits at the exact opposite end of that spectrum, and its existence is proof the hobby has always had room for builders who’d rather chase a strange idea than preserve factory specification. Car shows built around originality rarely have a category for something like this, leaving builds like the Coronet to find their audience purely through word of mouth and online video.

A Reminder That Muscle Cars Were Always Meant to Be Used

Whatever else it is, a snow-track Coronet is evidence somebody refused to let a genuinely capable machine sit idle for four months of the year just because the weather turned. That impulse — use it, modify it, take it somewhere it was never designed to go — is arguably closer to the spirit these cars were built with than any trailer queen parked in a heated garage. It’s a small but genuine reminder that the muscle car hobby has never been only about preservation — plenty of its most memorable builds exist purely because someone wanted to see if an idea would actually work.

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