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″