Power King stump grinders are powered by a 14HP commercial grade Kohler engine. That power is transferred through dual v-belts to a 5/8" thick and 8 3/4" diameter cutting wheel. 9 carbide tipped teeth and wide cutting path easily cuts through stumps quickly. Also supports Green Teeth 500 series for easy to change and long lasting teeth. The locking brake provides better control when pivoting. Adjustable bow handle and easy to reach controls for comfort.