Our top-of-the-line PRO XLSP model puts self-propulsion at your fingertips. The variable speed drive that lets you match your ground speed to your walking pace making transport between grinding sites a breeze! With a world-class 11.7 HP (19.6 ft-lbs torque) DR OHV engine, this machine demolishes stumps up to 3 feet in width, including tough hardwoods, in minutes. With 8 Greenteeth® tungsten carbide-tipped teeth that last up to 3x longer than the competition.