Maintenance and operation of the crusher is simple and easy. It is suitable for every kind of hard and abrasive rock. Especially, it is designed to crush gravel and produce crushed sand. Required product size can be easily obtained by altering the rotor speed. The crushing chamber is protected against abrasion by the liner plates. For easy maintenance, top cover of the crusher can be opened hydraulically and can be swirled 360°. Moreover, there are two inspection lids on the top cover. Final products have excellent cubical shape that improves the quality of concrete and asphalt considerably.