As the world gears up to feed growing populations, world-renowned agricultural giant John Deere opens the door to its Iowa mega-factory to reveal how it makes the world's most powerful tractors. Combining a giant iron foundry with high-tech manufacturing operations, the brand builds big machines designed to feed the world.

Originally released by National Geographic, 2020. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.