John Deere 1970 2020 Other Tractors for Sale | USFarmer.com
1970 JOHN DEERE 4020 For Sale in Montrose, Michigan | www.elmergrossandsons.com
1970 John Deere Type T213R 4020 2WD Row Crop Tractor BigIron Auctions
Tracteur John Deere 510 Fiche technique
Bought my first tractor today!!! - 1970 John Deere 2020. $8000CAN. How'd I do? Overpay? Any issues with this series a guy should know about? : r/ johndeere
John Deere 4020 Tractor: A History of Auctions | Machinefinder