Stationary mixer with high-speed rotating paddle (two styles included) as well as side/corner/bottom scraper to push materials into the paddle for thorough mixing. In addition, there is a second motor beneath the mixing tub that rotates the turnstyle in the opposite direction of the paddles for more thorogh and complete mixing. Technical data: Size of mixing tub: 17gal/65L. Capacity: Max. 15 gal or 3 bags. Voltage: 110 V. Speed of mixing tool: 750 rpm. Horsepower: 1.3hp, Weight: 112.5lb. Because of the interchangeable mixing paddles, this mixer is suitable for a variety of materials: mortar, cement, plaster, stucco, floor leveling and more.