Gas powered post driver 4 - STROKE $ 1370 by SKIDRIL maker of gas drivers since 97 Weighs less than 40 lbs (main body) hundreds od drive heads available Drives a T-Post in super fast, 20 second drive times are common Internal vibration dampening helps prevent operator fatigue Skidril high quality design, materials and build make this a reliable driver. Toll Free US based tech support Mon-Fri 9-5 EST Powered by a 4 stroke honda motor and assembled in the USA