Mono Pump with Screw Auger and Hopper. Type/Model ST421R5. S/N: 30/76/62542. Screw auger dimensions: 3 in. dia. x 24 in. L. Screw auger housing diameter: 3-1/2 in. Pump is equipped with a 27 in. L x 22 in. W infeed hopper. U.S. Motor, 1.5 hp, 1,730 rpm, 230/460 V, 5.0/2.5. FLA, 60 Hz, 3 phase. U.S. Vari-drive Motor Drive, 428 rpm (final). Inlets: (1) 11 in. L x 6 in. W inlet. Outlets: (1) 1-1/2 in. threaded fitting. Overall dimensions: 67 in. L x 15 in. W x 35 in. H.