The John Deere Model AR Tractor was first produced in 1935 and
continued until 1948 when it became the last John Deere model to be
"styled", the final version of which was produced in 1953.
The R meant Regular or Standard-tread and featured a non-adjustable
front axle. All Model AR.'s were built at the John Deere, Waterloo,
Iowa factory. The two cylinder petrol/kerosene horizontal engine had
a bore of 5 1/2 inches