Big machinery is so sick. That’s why I’ve spent the last couple of years following The Mahan Collection’s Mack M100SX revival, as it’s the largest Mack truck ever made. Meanwhile, Welker Farms out in Montana has been restoring a 1977 Big Bud KT-450 and turning it into a custom Big Bud 700—one of the largest tractors ever made. It’s finally finished, and the rig is earning its keep during the 10,000-acre farm’s wheat harvest. Now, notice that I said “one of the largest” and not just “the largest.” That title belongs to the Big Bud 747, which runs a Detroit Diesel 16V71 and stands 14 feet tall while measuring 25…
Montana Farm Revives 1977 ‘Big Bud,’ One of the World’s Largest Tractors, for Wheat Harvest

