This mower is powered by a 7.25 ft-lb gross torque, 163 cc Briggs & Stratton 725 EXi series engine and features our exclusive Personal Pace self-propel system, which allows you to mow at speeds that are infinitely adjustable to your walking pace up to 7.7 km/h. The 3-in-1 mowing system - bagging, mulching and side discharge capabilities giving you the flexible performance in all mowing conditions