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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.
world largest digging machine Bagger 288 This machine is the largest digging machine in the world. The bucket-wheelerexcavator named Bagger 288 (Excavator 288)is built by the German companyKrupp. More specifically, it is a mobile strip mining machine. It is the largest tracked vehiclein the world at 13,500 tons.