With an extra large 42cc engine, this backpack blower is designed to handle your toughest clearing jobs. The unique engine mounting is engineered to deliver maximum air flow at all times and the contoured shoulder/back harness provides ultimate comfort and a perfect fit. The tube construction includes a variable speed trigger and cruise control for easy command and the angled nozzle points naturally downward reducing effort and maximizing clearing power. This backpack blower is sturdy, but light- at just 18 lbs.  Large 42cc engine185 MPH/510 CFMUnique engine mounting provides maximum air-flowContoured shoulder back harness for a comfortable and perfect fitVariable speed trigger with cruise control for clearing control18 lbs.Will require some assembly with a torx wrench