The 2100 Professional Series™ snow engines provide easier starting and variable speed control. These engines provide the power needed for high-performance mowing and a Super Lo-Tone™ Muffler. They use Overhead Valve (OHV) technology, which increases fuel efficiency and creates a quieter, smoother and more environmentally friendly engine. This engine offers uncompromised power and displacement resulting in easier and faster removal of all types of snow.