was bushhoging yesterday,checked oil,water as usual(EVERYTHING FINE) , hit large clump of wadded up grass with bushhog,oil pressure went to 0 ,I shut off asap checked oil stick 0, what happen????? replaced with 4qts oil, cranked and drove to shed, checked oil stick showed low but oil on stick, sit overnite,got up today checked oil stick 0.
oil pump busted ???????? or WHAT