Key Features & Technical SpecificationsEngine: Powered by the Honda GCV170 (166cc–170cc) 4-stroke overhead valve (OHV) gasoline engine, delivering about 4.8 to 4.9 horsepower (HP). It is known for high torque, low noise, and easy starting with an "Auto Choke System".Drive System: Self-propelled with variable speed (often utilizing Smart Drive or Select Drive technology), allowing the operator to adjust the speed to their walking pace.Cutting Deck: Features a 21-inch (approx. 53cm) cutting width on most residential units (like HRN series), with durable steel or high-impact polymer options.Cutting System: 3-in-1 capability (mulching, bagging, or rear discharge) featuring a "Clip Director" knob for easy switching without tools. It often utilizes a MicroCut Twin Blade System for finer grass clippings.