Supercharger is the fourth studio album by American heavy metal band Machine Head. The release was ill-timed, and, as a result of little promotion, fell far short of the success of The Burning Red, which has sold about 134,000 copies in the US to date. Supercharger has sold about 45,000 copies in the US to date, making it a commercial failure. It is the band's last release to feature lead guitarist Ahrue Luster.