Robust, efficient performance is what you can expect from the Earthquake 43 cc Earth Auger Powerhead. The Viper 2-cycle, 43 cc, 2 HP engine delivers 1.6 ft. lb. of engine torque (45.5 ft. lb. output shaft torque), enabling you to dig post holes with ease. Anti-vibration foam grip handles help reduce fatigue and ensure comfort throughout the job. This powerhead works with Earthquake augers from 2 in. to 10 in. in diameter for versatility.