Craftsman 37430 21 Inch 140cc Briggs and Stratton Gas Powered 3-in-1 Push Lawn Mower Briggs and Stratton Silver Series 5-torque - 140cc engine 21-inch cutting width, low 7-inch front wheels, high 11-inch rear wheels 3-in-1 cutting methods (side discharge, mulch, or bag clippings into rear bag) Dual-point deck height adjusters with six positions for quick height adjustments Reliable spark plug