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In 1977, Ron Harmon and the crew of the Northern Manufacturing Company built the 16V “Big Bud” 747 tractor in Montana.  Designed to produce 760 horsepower using a 16-cylinder Detroit Diesel engine,  it’s 27′ long, 20′ wide, and 14′ tall.  The tires were specially made by the United Tire Company and are 8 feet in diameter.  Wet, the tractor tips the scales at over 100,000 pounds.

In 1997 after a tour of duty across a number of farms, the “Big Bud” found its way back to Montana, only 60 miles from where it was built.  The Williams brothers of Big Sandy, Montana purchased the tractor and brought it to their farm in Chouteau County.  They use the tractor for cultivation purposes, pulling an 80-freaking-foot cultivator.  In this configuration, “Big Bud” can work more than one acre per minute at speeds up to 8 MPH.

If that isn’t cool I don’t know what is.  Big Foot hasn’t got s#!% on “Big Bud.”

16v 747 “Big Bud” [williamsbigbud]


4 Responses to It’s Just Cool: The World’s Largest Farm Tractor

  1. eschoendorff says:

    That is just badass!!!! I have seen that tractor before, but I always enjoy seeing it again.

  2. Abe says:

    Totally awesome. 900HP is just insane for a tractor. Pulling an 80 foot cultivator has GOT to put a smile on your face. Wonder what new tires run? 🙂

  3. Tony Clifton says:

    Forget about the horsepower, how much torque does this thing generate? With an 18″ torque converter… WOW!

  4. Wayne D. says:

    I went to college near where these were built (Havre, MT). Every year, the campus hosts a dealer farm implement show and these always show up. I got to talk with one of the designers of it and how they designed them was nuts. They didn’t use any drafting, they just drew templates on the big shop floor with chalk and then cut the steel to size with them. There was no real blueprint for any of the models. Just before the company went under, they were trying to make an even bigger one. They kept having issues with it literally shaking itself to pieces and hired engineers for the first time to figure out why it was doing that. Just shows you that you can design by eyeballing it only so far.

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