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Meet Big Bud, The World's Largest Tractor

Big Bud had been largely inoperable at the Heartland Museum in Clarion, Iowa, for nearly a decade due to tires that were beyond repair and no longer available from the original manufacturer. The massive 1100hp Big Bud tractor has new Goodyear tires and is ready to go back to work. These are not your average tires. Consider a tractor that is 27 feet long, 25 feet wide, and 14 feet tall.

Meet Big Bud, The World's Largest Tractor

Big Bud had been largely inoperable at the Heartland Museum in Clarion, Iowa, for nearly a decade due to tires that were beyond repair and no longer available from the original manufacturer. The massive 1100hp Big Bud tractor has new Goodyear tires and is ready to go back to work. These are not your average tires. Consider a tractor that is 27 feet long, 25 feet wide, and 14 feet tall.

The 1100 horsepower tractor, powered by a 24-liter Detroit Diesel engine, was used on the Williams Brothers' farm in Chouteau County to pull an 80-foot cultivator, covering 1.3 acres per minute at speeds up to 8 miles per hour (13 km/h).

When fully ballasted, it holds 1000 gallons of fuel and weighs more than 135,000 pounds. The engine is a Detroit diesel 16V92T two-cycle engine with 16 cylinders. The 36,000-pound tractor is rough twice the size of many of the world's largest production tractors. Its eight 8-foot-tall United Tire Company of Canada tires weigh the same as a standard farm tractor.

The world's largest tractor had been dormant in its shed at the Heartland Museum in Clarion, Iowa, for the past decade.

After United Tire Company of Canada, which manufactured the tractor's custom 8-foot (2.4 m) tires, went bankrupt in 2000, the tractor was partially retired from regular service in 2009, and the Big Bud 747 was relocated to museums.

Meet Big Bud, The World's Largest Tractor

However, thanks to its owners and a team of experts at Titan International, the 1100hp beast has been outfitted with eight brand new Goodyear Opti Trac Low sidewalls (LSW) 1400/30R46 tires, which Titan claims are the world's largest agriculture tires.

Big Bud 747, which was partially retired in 2009, returned to the farm in 2020 after receiving replacement tires from Goodyear. The Big Bud 747 returned to the Williams Brothers farm near Big Sandy, Montana, in 2020, with its original eight-foot tall construction tires replaced with Goodyear LSW1400/30r46 tires and new rims supplied by the Williams Brothers.

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