CST Portable Cone Crusher. The CST Cone Crusher is a medium-to-large size, track-mounted crusher plant designed for secondary crushing of hard rock into cubical sizes. Featuring a heavy-built “quarry duty” cone crusher, the CST is perfect for rock quarries and other mining operations. View CST Portable Cone Crusher.Cedarapids Portable Crushing Screening Equipment. Cedarapids high-capacity portable crushing systems are designed to deliver and built to last. They’re quick to set up, easy to operate and are low maintenance. Their exceptional portability, productivity, efficiency and quality deliver real advantages over other systems.