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Big Bud Tractor. Big Bud Tractor. 16-V 747 Big Bud The World's Largest Farm Tractor. In 1977 the Big Bud 747 tractor was built in Havre, Montana. The tractor was built by Ron Harmon and the crew of the Northern Manufacturing Company. The tractor was built to produce 760 horsepower using a 16-cylinder Detroit Diesel engine. The tractor measures 27 feet long, 20 feet wide, and 14 feet tall.
This is what 109,000 horse power looks like â biggest engine in the world. This jaw dropper is the WÃ¤rtsilÃ¤ RT-flex96C, the worldâs largest and most powerful diesel engine in the world today. Built in Finland, the RT-flex96Câs fourteen cylinders can deliver 80080 KW of power or enough to power an entire suburban town. The engine weighs 2,300 tons, and itâs 44-feet tall and 90-feet long â more than a four-story building.