Question: what tractor was produce in charles city iowa

title: Charles City, Iowa
text: Charles City is known for the role it played in the history of the American tractor . A native son Charles Walter Hart , whose father owned three local farms , met Charles H. Parr in college . After graduating from the University of Wisconsin , Hart and Parr developed a two - cylinder gasoline engine and set up their Hart - Parr Gasoline Engine Company in Charles City in 1897 . It was here in 1901 the term `` tractor '' with Latin roots and a combination of the words traction and power was first coined by Hart and Parr . In 1903 the firm built fifteen `` tractors '' , the first successful production - model tractor line in the U.S. The 14,000 pound No. 3 is the oldest surviving internal combustion engine tractor in the United States and is on display at the Smithsonian National Museum of American History in Washington D.C. In 1929 , Hart - Parr was one of the four companies that merged to form Oliver Farm Equipment Company and finally the White Farm - New Idea Equipment Co . At its peak in the mid-1970s , the sprawling plant complex encompassed 23 acres and employed nearly 3,000 workers . The 1980s farm crisis and other economic pressures led to the closing of the plant in 1993 . As of 2013 , the vacant site stands ready for re-use . HART 

Answer: answer: Hart and Parr developed a two - cylinder gasoline engine and set up their Hart - Parr Gasoline Engine Company in Charles City. The firm built fifteen `` tractors '', the first successful production - model tractor line in the U.S.
answer: Hart and Parr developed a two - cylinder gasoline engine and set up their Hart - Parr Gasoline Engine Company in Charles City. The firm built fifteen `` tractors '', the first successful production - model tractor line, and the 14,000 pound No. 3 is the oldest surviving internal combustion engine tractor in the United States.