? ??????? ???????? ????? ??? ????? ?????? ???????, ??? ??????? ??? ???? ?? ????? ??????? ?? ???????? ??????? ?? ??????????:A large, modern John Deere product 9400 4-wheel generate tractor with tripled wheels in addition to a drawbar-towed tool chain, such as one particular-go tillage gear, planter and fertilizer applicator with tanks Drawbars had b