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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. 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 will follow the building of CAT's most colossal creation

Watch the full National Geographic: Super Factories – Caterpillar movie online at no cost in high-definition (HD) quality. No downloads needed—simply click to play and experience the excitement with English subtitles included for your convenience.