Cone Crushers Secondary, Tertiary, Quaternary Maximum Feed Size 17.8″ (450mm) Maximum Reduction Ratio Varies by Model Maximum Production Rate 1,600 STPH (1,450 MTPH) — Materials: Cubicle Products, Fractured Gravel, Ore/Hard Rock, Quarried Stone, Recycled Concrete, River Gravel, Super Pave Learn More » Sentry ® HSIWeb