The Shark Z51 has a 51.7cc two-cycle engine that gives the strength excepted of a Viper engine. The Shark Z51 powerhead is feature-loaded, including a mitten-grip recoil and exclusive Quantum blades. It is quick and easy to control so you"ll spend less time drilling and more time fishing. Enjoy your angling adventure and rely on the proven power of the Shark Z51 ice auger.