Portable 'mega' cone doubles output | Pit & QuarryMay 31, 2017 . A generator powers Elam's new portable, all-electric system. The system combines a Lippmann J2450-VGF5120 primary jaw, a Cedarapids 6-ft. x 20-ft. pre-screen, a Cedarapids MVP 550X cone crusher, a Cedarapids/Fab Tec 6-ft. x 20-ft. tandem screen plant and supporting conveyors. Photo courtesy of.in pit portable primary crushers,Portable Plants - manufactures a full line of portable plants for road and in-pit use. Styles include Portable Primary Jaw Crushing Plants, Portable Cone Crushing Plants, Portable Impact Crushing Plants, Portable Screen Plants and Portable Conveyors that can be configured to create a complete processing system.