Sep 24, 2013· What motor should I get for my barley crusher? Discussion in 'Homebrewing' started by smchenry75, Sep 18, 2013. ... (at least in the case of the barley crusher) by the time you buy a motor and appropriate sheaves, belt, build a stand etc. A nice 5amp corded drill costs less and will come in handy elsewhere. #19 nickfl, Sep 23, 2013.