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