The PMM/HY forestry mower with free swinging hammers rotor for excavators from 3.5 to 5.5 tons is versatile and compact, which make it a very popular model. It is available with the 16 cc standard motor or with 27 cc motor as an option. The PMM/HY can easily clean underbrushes, bushes and trees that have a maximum diameter of 6 cm.