Hart-Parr 40-80

The Hart-Parr 40-80 is a powerful 2WD tractor built for heavy-duty farm work. It features a large 4-cylinder engine that runs on kerosene and is cooled by liquid. This engine is naturally aspirated, meaning it doesn't use a turbocharger. With a displacement of 3309.4 cubic inches and a power output of 110 horsepower, this tractor packs a lot of punch for its time.

One of the most striking features of the Hart-Parr 40-80 is its size and weight. Weighing in at 34,000 pounds, it's a very heavy machine. It rides on steel wheels instead of rubber tires, which was common for tractors of its era. The rear wheels are especially large, with a diameter of 98 inches. This tractor uses manual steering and has a Category 3 hitch, making it suitable for use with large implements. Despite its age, the Hart-Parr 40-80 remains an impressive piece of farm machinery, showcasing the engineering prowess of its time.