John Deere 4020 - Wikipedia

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JOHN DEERE 4020 100 HP to 174 HP Tractors For Sale

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JOHN DEERE 4020 100 HP to 174 HP Tractors For Sale

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1964 John Deere 4020 Follmer Re-Power for sale at Davenport 2020 as S9 - Mecum Auctions

John Deere 4020, Tractor & Construction Plant Wiki

4020 History GreenCollectors