Key Technology, Inc. Stainless Steel Dewatering Shaker. Premium efficiency motor, 2 hp, 1170 rpm, 460 V, 3.3 amps, 60 Hz, 3 phase. Shaker system. Platform dimensions: 63 in. L x 56-1/2 in. W x 4 in. H. Platform screen: 56 in. L x 54 in. W. Bottom-platform screen: 56 in. L x 54 in. W. Dual bar, (13) sprayer system. (8) Vibrating feeder springs . (8) Security clamps. Overall dimensions: 81 in. L x 76 in. W x 61 in. H.