Paul Joens of Cottonwood bought "Big Bertha," a.k.a. "Fat Allis," from the Shields family in Camp Verde. He painted the body of the tractor, rewired it, and replaced some windows. Big Bertha is a 1976 Allis Chalmers 7080. The tractor has 210 horsepower and is a tubocharged inter-cooled diesel. With fluid in the tires, it weighs approximately 16,000 to 17,000 pounds.
we raise havic when we pull with our cat chalenger
jeremylee99100 3 months ago
It was the most powerful 2 wheel drive from late 1974 to 1976 when the 180hp Case 1570 was introduced
generationll 9 months ago
210 engine 180 pto hp. dad sold ours, and now regret it! something about having the biggest horse of that era is pretty cool.
rborneman 9 months ago
THE most powerful 2wd tractor in its day
mrdann42 10 months ago 2