Vibro Shifter Is a highly efficient modular designed machine which imparts three directional vibrations on the screens. It is designed for all types of screening applications. The unit is run by a unbalanced vibrating motor with shafts at both ends. The machine is available in a number of decks and mesh sizes depending on the application. Output can be varied by simple adjustment of unbalanced weights on motor shafts. Units with dust covers are available to prevent dusting. All parts are easily removable and replaceable for manufacture.