Hydraulic Breakers One attachment that enhances an excavator's demolition ability is a hydraulic breaker, also known as a hydraulic hammer. Hydraulic breakers come in various sizes to match different excavator weight classes. They connect to the excavator's boom or stick and use hydraulic force to deliver powerful breaking blows. This makes short work of breaking up concrete, macadam... https://articlescad.com/excavator-attachments-essential-tools-for-construction-machines-362650.html