During the 2014 King Knob Freedom Fest at King Knob Off Road Park, West Virginia, the GMC Mega Truck Sail was blasting off like a rocket. Using all of it’s horsepower and might this Detroit machine was pulling mind-blowing air off jumps on the dirt course. It wowed the crowd in attendance by reaching impressive altitudes that had to be at least two stories high and doing cannonballs as it splashed into the lake of mud.

Sail’s jumps where high enough that they would make the Duke Boys jealous. Aside from jumping Sail it was also put through the test of bogging in the deepest of mud. Mud so deep even the biggest of trucks would get stuck. But the truck was able to navigate through the almost entire course without a hitch, save for the one time it got stuck and had to be towed out by a lifted diesel.

With a rugged look, faded paint job and the name Sail crudely painted on the side, it was never meant to be a looker. It is built and driven by off-roader Scott Green, he built her as a full caged Mega Truck designed only for competition. It was built around a 1993 GMC 1500, it’s a tube-frame chassis truck with a rear-mounted 462 ci big-block Chevy mill bolted to a Turbo 400. The truck drives a SCS 18-inch reverse case with 2.5-ton Rockwells. Sixteen-inch shocks help the front landing gear absorb the massive impact from the impressive jumps. Which one of Sail’s massive jumps in the video above was your personal favorite?