Evolution of JOHN DEERE 4wd Tractors 1959-2022

Big Tractor Power takes a look at evolution of JOHN DEERE 4wd Tractors 1959-2022. This video looks at 14 model series of iconic JOHN DEERE articulated 4wd and 4 track tractors as they move from high horse power to high tech. JOHN DEERE Tractors to watch for: 01: JOHN DEERE 8020 02: JOHN DEERE WA-14 03: JOHN DEERE 7020 & 7520 04: JOHN DEERE 8630 05: JOHN DEERE 8640 06: JOHN DEERE 8850 07: JOHN DEERE 8960 08: JOHN DEERE 8870 09: JOHN DEERE 9400 10: JOHN DEERE 9620 11: JOHN 12: JOHN DEERE 9560R 13. JOHN DEERE 9620R 14. JOHN DEERE 9RX 590 Big Tractor Power Video 2,061