The John Deere 320, produced from 1956 to 1958, is a utility tractor built in Dubuque, Iowa, USA, with a total production of 3,084 units. It features a 21.5 horsepower engine and was originally priced at $1,900 in 1960. The tractor comes in three variants: 320S (Standard-front), 320U (Utility), and 320V (Southern Special).