The US Stove Agitator Drive Shaft connects the auger to your drive motor. The agitator drive shaft is a short shaft that allows space between the motor and the auger itself. US Stove has been bringing warmth to homes across the nation for 140-years. US Stove has a wide range of automatic circulators, plate steel heaters, cast iron heaters, pellet/multi-fuel heaters and gas fireplaces from which to choose. The large selection of stoves and accessories will ensure warmth of your home with safe, quality products.