Robust, efficient performance is what you can expect from the Earthquake 43cc earth auger powerhead. The Viper 2-cycle 43cc, 2 HP engine makes 1.6 ft. - lb. of engine torque (45.5 ft. - lb. output shaft torque), enabling you to dig post holes. It has anti-vibration foam grip handles to reduce fatigue. It works with Earthquake augers from 2 - 10 in. in diameter for versatility. This combo comes with EA8F 8 ft. Earthquake earth auger.