??????? ?? 4020, ????? ???? ????? ???????? ? ??????? ?? Deere Electrical power Shift, ?????? ??-?????? ???????????, 4010 ???????? John Deere ? ??? ????? ????? ??????????, ??????? ????????? ??? ?????? ??????? – ??? ?????? ????????? ???????????? ??? ???????? ? ?????? ?????? – ???????? ? ?? ?????????? ?? John Deere.. ??????????? ?????? ??????????