Electric Rotary Vibrator, Voltage 12, DC Phase, 13.30 Amps, 0.22 HP, Force 437 Lb, Mechanically Adjustable Force, Continuous Duty, Max Material in Bin 4370 Lb, 3600 RPM Speed, 76 dB @ 80 PSI, -4F - 104F Max Temp, Any Position Mounting, IP 65 Enclosure, Lubrication Not Required