??????? ?? 4020, ????? ???? ????????? ? ??????? ?? Deere Ability Change, ???????? ??-????? ???? ?? ???????????, 4010 ???????? John Deere ? ??? ????? ????? ??????????, ????????? ??? ???????? ???? – ??? ?????? ?????????? ???????????? ??? ????????? ?????? ?????? – ??? ???? ?????????? ?? John Deere.. ???????? ?????? ?? ??-????? ??????? ???????????