Anderson Dahlen Double Screw Conveyor / Bin Discharger. Material of construction: Stainless steel. Double screw: 5 in. dia. x 4 ft. 3 in. L. Dorris motor drive, 11.7 ratio, 12.6 hp, input rpm: 1750. Tilt base to 45 degrees. Inlet: 6 in. dia. port. Outlet: 10 in. L x 6 in. W port. This unit designed to mix a dry flour product and can be used for removing material from bulk silos or other large storage hoppers. Overall dimensions: 6 ft. 3 in. L x 1 ft. 8 in. W x 2 ft. 3 ½ in. H.(ACN350).