Rotary crown for Caterpillar mini excavators 305D, 301.5, 301.8, 304CR and others. Made from high-quality materials, this replacement part ensures a long lifespan and optimal performance for your construction equipment. The rotary crown is essential for the efficient and precise operation of mini excavators, allowing smooth and controlled rotation of the upper structure. Compatible with various models, this component is easy to install and maintains the reliability of your machinery in the toughest working conditions.