"We knew that because they were Caterpillar, they were used to operating in the same extremes in temperature, moisture, and vibration regularly encountered by the military," says Jeff Dowell, AM ...

Alex takes the wheel of the latest addition to the collection and puts the military Humvee through its paces to see how it really performs.

We purchased the cheapest Humvee at auction and equipped it with a Cadillac STS-V Supercharger and conversion kit parts. This video details the modification process and showcases the enhancements made ...