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National Geographic Super Factories Caterpillar HDTV XviD NANO

A truck the size of a two-story house, strong enough to carry 380 tons, at 25- feet tall 3550 horsepower, -more than 30 Ferraris - this is the biggest mining truck in the world, the colossal 797 B. Built in the USA in Decatur Illinois, It's job? Move material at high volume and low cost. But how do you build a two-story goliath. It requires a specialized factory were everything is super sized - from the plasma cutters and weld- guns to the torque tools and hand wrenches. Imagine installing a 12-foot wheel or an engine bigger than a car. From basic blue print to the completed mega truck, we'll follow the building of CAT's most colossal creation on Superfactories!