Vibrating Feeders KPI-JCI Vibrating Feeders come ready to fit into new or existing stationary or portable plants.  A multitude of different sized single and two deck designs are available with numerous grizzly bar configurations.  Heavy duty and huck bolted feeder designs in addition to options such as rip rap feeder plants are available as well.  This wide array of options ensure you have the perfect, field proven KPI-JCI Feeder to maximize your uptime and production.