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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.
Home of the worlds largest farm tractor! Here you can find information about us, our farm, the Big Bud 16V 747 toys and collectibles, and of course the one and only Big Bud 16V-747. Make sure you check out our Big Bud Videos page and don't forget to watch the Big Bud 747 Book video below. Thanks for visiting.