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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.
The Terex RH400 - the worlds largest hydraulic shovel - weighs 1078 Tons with a shovel capacity of 94 tons in a single scoop. The RH400 has the working ability to scoop up around 9900 tons of material ever hour which is a world record for a vehicle of this type. The Terex RH400 price tag is 11 Million Dollars.