The Black Max 21″ Gas Push Mower is a powerful, lightweight mower that fully assembles in five minutes or less. This mower features a powerful Briggs Stratton 125cc E450 engine. The Prime N Pull EZ Starting feature makes starting this lawn mower a breeze. Just prime the bulb three times and go. 11″ high rear wheels provide great maneuverability through tough terrain and uneven surfaces. Two point, six position wheel height adjustment allows you adjust cutting height to meet your needs. The high domed solid steel deck provides superior mulching. A quick attach side discharge chute is also included. Assembled product weight of 47 pounds makes this mower easy to maneuver. Assembled Product Dimensions 35.2″ x 24.6″ x 20.5″ Prime “N Pull Starting. Just push the priming bulb three times and pull the cord to start. 11-inch wheels and rear wheel drive provide added traction when mowing on flat terrain 2 Point Height Adjustment – one in front and one in back. Easily adjust the cutting height. 6-position height adjustment ensures an even, precise cut every time. Briggs Stratton E450 125cc engine for ultimate power Quick Assembly. Assembles out of the box in 5 minutes or less. Engine Oil Included