Gas-powered backpack vibrator has a 50-cc Honda gas engine, and offers an ergonomic design where the engine weight is supported by the operator’s hips to reduce strain on shoulders and upper back. The steel frame withstands abuse and the flexible throttle design features a lock-in of the proper vibration speed, a kill switch, and a digital tachometer/hour meter. Wyco, a div. of Badger Meter. www.wycotool.com/index.php/gas-backpack