? ??????? ???????? ????? ??? ????? ?????? ???????, ??? ??????? ??? ???? ?? ????? ??????? ?? ???????? ??????? ?? ??????????:These early tractors were being cumbersome, and sick-suited to enter a field of planted row crops for weed Handle. The "common" tractor definition is not in current use. Nevertheless, tractors with mounted wheel spacing in addi