This Toro 22" All-Wheel Drive Recycler® lawn mower gives you powerful performance and lightweight agility. The front and rear wheels engage independently, dristributing the right amount of tractrion when needed. It's powered by a 7.25 ft-lb Gross Torque Briggs & Stratton® EXi 163cc w/Ready Start® - no need to prime or choke. Just Check & Add feature - no oil change required. Features Toro's exclusive Personal Pace Self-Propel System, which allows you to mow at speeds that are infinitely adjustable to your walking pace up to 4.8 miles per hour.