Poulan Pro PR550N22SH-CA 22-Inch 140cc Briggs and Stratton 500 Series Gas Powered Mulch/Side Discharge Push Lawn Mower With High Rear Wheels 550 Series Briggs and Stratton 22-Inch Deck Mulch and Side Discharge capable 7-Inch front wheels and 12-Inch rear wheels CARB Compliant