40cc, 1.7 kW Two-Stroke Engine features two piston rings and a stress relieved, chrome plated cylinder for long engine life.Bearing supported, solid steel drive shaft provides smooth and efficient power transfer from the engine to the cutting head.Heavy-Duty Anti-Vibration System includes padded front handles and a heavy-duty rubber mount between the engine and shaft.Split Dual Handles help reduce fatigue and provides more control during long periods of use.