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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.
Welcome to Iowa 80 Truckstop. About Iowa 80. A place where people want to stop. On the eastern edge of Iowa, not far from the Mississippi River, adjacent to the small town of Walcott, youâll find a place like no other in the world. The Iowa 80 Truckstop, now the Worldâs Largest Truckstop, established its home here in 1964 and is now in itself a home away from home to countless drivers and a destination for travelers as well.