Charles Walter Hart
Encyclopedia
Charles Walter Hart was born in Charles City
Charles City, Iowa
Charles City is a city in Floyd County, Iowa, United States. The population was 7,652 at the 2010 census a decrease of 160, or 2%, from 7,812 at the 2000 census. It is the county seat of Floyd County. Charles City is a significant commercial and transportation center for the area, located on U.S...

, Floyd County
Floyd County, Iowa
-2010 census:The 2010 census recorded a population of 16,303 in the county, with a population density of . There were 7,526 housing units, of which 6,886 were occupied.-2000 census:...

, Iowa
Iowa
Iowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...

 in 1872. His company, Hart-Parr Gasoline Engine Company, known as the "founders of the tractor industry", coined the word tractor
Tractor
A tractor is a vehicle specifically designed to deliver a high tractive effort at slow speeds, for the purposes of hauling a trailer or machinery used in agriculture or construction...

.

First enrolling at the Iowa State College of Agriculture and Mechanical Arts at the age of 20, he transferred to the University of Wisconsin (now University of Wisconsin–Madison
University of Wisconsin–Madison
The University of Wisconsin–Madison is a public research university located in Madison, Wisconsin, United States. Founded in 1848, UW–Madison is the flagship campus of the University of Wisconsin System. It became a land-grant institution in 1866...

). It was here that he met Charles H. Parr, and the two young men quickly became friends. Together they worked on their university thesis, which consisted of building three working internal combustion engines. One of these engines is still on display at the school today. Despite owning three farms near Charles City, Iowa, Hart's father considered his son's experiments "folly".

In April 1897, J.H. Bowman joined Hart and Parr on a three-member board of directors after his $3,000 investment in Hart-Parr. In October 1897, Wisconsin Engineer featured Hart and Parr as they discussed their final draft of the thesis on the internal combustion engine.

In 1898, Hart married Jessie Case on February 14.

In 1916, Hart wrote an article in Farm Implement News, advocating for the 60-horsepower, 8-bottom plow tractor, versus the smaller 2-plow tractors.

By 1917, however, Hart left Hart-Parr after a disagreement with Charles City bankers. He then moved to Montana and created the Hart Refinery in Hedgesville. This company supplied gas and petroleum products to the ten filling stations owned by Hart. He expanded his refinery business in Missoula, Montana
Missoula, Montana
Missoula is a city located in western Montana and is the county seat of Missoula County. The 2010 Census put the population of Missoula at 66,788 and the population of Missoula County at 109,299. Missoula is the principal city of the Missoula Metropolitan Area...

 and remained in the oil refinery business until his death in 1937. Parr gave the eulogy at his funeral. Hart is buried in Riverside Cemetery, Charles City, Iowa.

In 1929, Hart-Parr was one of the four companies that merged to form Oliver Farm Equipment Company
Oliver Farm Equipment Company
The Oliver Farm Equipment Company was an American farm equipment manufacturer from the 20th century. It was formed as a the result of a 1929 merger of four companies: the American Seeding Machine Company of Richmond, Indiana, Oliver Chilled Plow Works of South Bend, Indiana, Hart-Parr Tractor...

.
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