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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.
Magnificent machines: The Bagger 288 Bucket Excavator. Most people associate the brand Krupps with tiny coffeemakers. But a larger German conglomerate called Krupp has built something way bigger: the Bagger 288, a ginormous excavator that is technically the worldâs largest land vehicle. The towering Bagger stands some 311 feet tall, is 705 feet long and weighs 45,500 tons.