View on LOZ Suggested Retail: $369.99. Power Smart 21-inch 3-in-1 Gas Powered Self-propelled Lawn Mower PSM2521SH. PowerSmart 21 inch Gas Self-Propelled Lawn Mower which is suitable for small- to-medium sized yards it makes it easy to get any lawn cut to just the right length. This reliable lawnmower features a pull-cord starting system. The dual-lever height adjustment provides you with five cutting height settings so you can customize the look and feel of your lawn. The lawnmower offers side discharge bagging and mulching settings. It's also equipped with 7 front mower wheels and 8 drive rear wheels for smoother action. The deep dome deck design accompanied with the sharp and solid blade makes for better mulching. Easy to operate and weighing just 77 lbs the mower also features a durable steel deck that cuts a 21 inches.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.