The STC stone crusher for tractors from 80 to 220 HP allows users to crush loose rocks with a diameter of 30 cm and can reach a working depth of 20 cm. It is designed for agricultural fields and is recognized for its performance and reliability. Its dual transmission ensures constant power on both sides of the rotor and the adjustable internal counter knife allows users to set the granulometry. This stone crusher is also equipped with an adjustable hydraulic rear door to set the dosage.