Ariens 22-inch Classic Self-Propelled Walk-Behind Lawn Mower for Sale. The Ariens Classic 22-inch Self-Propelled Walk Behind Lawn Mower provides professionally manicured results. The 2-in-1 system makes it easy for you to quickly transition from mulch to bag-discharge, and its powerful Kohler engine along with an impressive list of innovations are assured to provide years of reliable mowing. Used, but on good condition. * 173cc Kohler Courage XT-7 engine delivers premium power * Large 22-inch cutting swath for quicker work * 2-in-1 system lets you choose between bagging or mulching without the need for tools * 14 gauge stamped deck with a rolled lip and 1-inch round handle bars withstand the test of time * High-lift blades to maximize bagging efficiency * 6 cutting positions with 1-inch to 3 1/4 inches height of cut adjustment * Self-propelled feature makes it easy to go uphill's or uneven terrain