Ideal for the smaller yard, the compact, 170cc push gas-powered Power Smart PSMB21P push lawn mower is easy to operate in tight spaces and features three cutting systems including side discharge option and mulching capability plus a collection rear bag. Offering a smart, powerful, highly efficient and lightweight design. The deep dome deck design accompanied with the sharp and solid blade makes for better mulching. Easy to operate and weighing just 62 lbs., the mower also features a durable steel deck that cuts a 21 in. swath and adjustable height from 1.18 to 3 in. to meet your varying needs.