The Missing 4.5L Duramax!

“Generally, the prototype trucks would have been crushed, and the engines along with them,” Gale Banks tells Caleb Jacobs, truck editor at The Drive. “Trucks get crushed. Engines get leaked.”

The story of GM’s in-house developed 4.5L Duramax is often spoken of as if it were a myth, but much like Bigfoot, rumors and alleged sightings of the mid-size Diesel engine have persisted. Caleb Jacobs, Truck Editor at The Drive discusses the origins of the ill-fated Duramax LMK, which was intended to power GM’s half-ton trucks over a decade ago. Recently, Caleb found one of the mysterious engines in the strangest of places. The diesel grand sage Gale Banks further illuminates the story, filling in the gaps with his first-hand knowledge about the engine. Caleb’s article reveals how the legend of the 4.5L Duramax is truly a tragic tale of what could have been.