Bottom-Mounted Magnetic Mixer Drives. Magnet diameter: 8-1/4 in. Dayton Magnetic DC Motor, 1-1/2 hp, 2500 rpm, 180 V, 7.8 amps. Dayton Motor Drive, 10 ratio, 175 rpm (final). Bronco Variable Speed Drive, Model: 210, range: 0-2500 rpm. Eliminates the mechanical seal in typical mixer drives and prevents any product contamination. Suitable for food, pharmaceutical, biotech, and personal care applications. Overall dimensions: 28 in. L x 12 in. W x 9 in. H.