JOHN DEERE Ag Tractor ModelsAll JOHN DEERE Ag Tractor Models1 JOHN DEERE 4020 AG TRACTORS1 JOHN DEERE 4040 AG TRACTORS1 JOHN DEERE 6105D AG TRACTORS1 JOHN DEERE 6140D AG TRACTORS1 JOHN DEERE 8295R AG TRACTORS1 JOHN DEERE 8430 AG TRACTORS