Hart-Parr 28-50

The Hart-Parr 28-50 is a sturdy utility tractor built for standard tread work. It has a 2WD chassis with manual steering and a gear transmission offering two forward speeds and one reverse. This tractor is powered by a large, liquid-cooled gasoline engine made by Hart-Parr. The engine has four cylinders arranged horizontally and uses a valve-in-head design. It can produce 50.55 horsepower at 850 RPM, which is quite powerful for its time.

This tractor is heavy, weighing 10,394 pounds, and rides on steel wheels. The front wheels are 28 inches in diameter and 7 inches wide, while the rear wheels are much larger at 51 inches in diameter and 14 inches wide. The Hart-Parr 28-50 can travel at speeds of 2-1/4 miles per hour in low gear, 3-1/4 miles per hour in high gear, and 2-3/4 miles per hour in reverse. It has a very large engine for its class and is heavier than most similar tractors, making it well-suited for tough farming tasks.