Lawn Boy 10604 20-Inch 149cc 6-1/2 GT OHV Kohler Gas Powered Self Propelled Lawn Mower Height adjustment is 1-Inch to 4-Inch Variable speed self propelled Rear wheel drive 3-in-1 Ready: mulch/bag/side discharge - side discharge requires additional part from manufacturer Non-CARB compliant/not for sale in california