In a move that further positions it as the world’s leading manufacturer of earthmoving equipment, Caterpillar Inc. (NYSE: CAT) is unveiling the first innovative AC electric drive track-type tractor in the industry. The revolutionary electric drive system developed for track-type tractors gives the D7E an unmatched balance of power, efficiency, control and maneuverability. The machine will be showcased at CONEXPO/CON-AGG 2008 March 11-15 in Las Vegas, Nevada.