John Deere’s Model D was first produced in 1923 in Waterloo’s John Deere factory and its reign ended in 1953 – making it Deere’s longest running model.

One recall was of roughly 15,500 John Deere model D100, D110 (photo), D120, and D130 lawn tractors sold nationwide at Deere dealers, Home Depot, and Lowe's from December 2010 through September 2011.

Waterloo Deere employees manufactured 160,000 Model D's over the 30-year run. John Deere Historian, Neil Dahlstrom, author of the book, Tractor Wars, adds, "It's the first green and yellow tractor ...

John Deere built more than 160,000 Model D tractors between 1932 and 1953, the longest tractor production run in John Deere's history. Many of the Model D tractors were built in Waterloo.