Early History of the Hart-Parr Co.

College chums Charles Hart and Charles Parr build the Hart-Parr Co. on the foundation of friendship.

By Sam Moore.
Published on May 9, 2019
article image
courtesy of Sam Moor

One of the more famous names among rusty iron enthusiasts is that of the Hart-Parr Co., which has more than one claim to fame. Hart-Parr built the first practical internal combustion tractor engine, was the first factory to build tractors on a production line basis and, although the term “tractor” wasn’t coined by Hart-Parr, as is often claimed, they were perhaps the first to apply it to what was then called a “gasoline traction engine.”

The two men who fathered the company, Charles Herbert Parr and Charles Walker Hart, were fascinating individuals and fast friends throughout their lives, but opposites in temperament and ambition.

Hart was born in Charles City, Iowa, in 1872. He worked at his father’s lumber business and farm before entering the University of Wisconsin in Madison in 1893. Charles Parr, born in Wisconsin in 1868, loved to tinker with his father’s farm machinery and worked at Eclipse Wind Engine Co., Beloit, Wisconsin, before he too went to the University of Wisconsin, in 1893.

As the two young men were both enrolled in the college’s mechanical engineering department, it’s not surprising that they met and, due to sharing common interests, became fast friends. They even began to operate a small machine shop to repair farm machines in Madison while still in college. That is where their experiments with internal combustion engines began.

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