With a weight of 70 tons and boasting 524 horsepower, the HD-41 crawler tractor made headlines as the largest built up to that time. Allis-Chalmers gave at-tendees a taste of things to come at the ...
On a sunny Sunday afternoon, I braked as I came upon a tractor pulling two wagons full of just-harvested crops. I had no choice but to follow as the tractor crawled up a hill at 5 mph. The scenario is ...
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