? ??????? ???????? ????? ??? ????? ?????? ???????, ??? ??????? ??? ???? ?? ????? ??????? ?? ???????? ??????? ?? ??????????:A considerable, modern John Deere design 9400 4-wheel drive tractor with tripled wheels in addition to a drawbar-towed tool chain, like just one-move tillage machines, planter and fertilizer applicator with tanks Drawbars have