Electric Vibrator Horsepower 2 1/2 hp Shaft Length 2 ft Head Diameter 2 in Radius of Vibration 22 in Number of Speed Settings 1 Vibrations per Minute 11 000 vpm Force Rating 1 450 lbf Shaft Connection Type Quick-Connect Voltage 115V AC Head Material Steel Concrete Vibrator Type Internal Concrete Phase Single-Phase Power Source Corded Series ACE Standards UL Approved