FMC Allen Double-Drop Vibrating Shaker Conveyor. (First shaker) Model: 70788-2. Type: C. S/N: CON20491. Electronic vibrating system. Features (3) removable screens and (12) leaf springs. (Second shaker) Model: 70721-1. Type: C. S/N: 207489. Electronic vibrating system. Features (1) removable screen and (9) leaf springs. (18) Clamps secure sifting screens. Mounted on Frame with (4) casters for easy positioning. Each shaker is controlled via its own control box. Conveyor inlet/outlet height: 58/47 in. Overall dimensions: 88 in. L x 42 in. W x 59 in. H.