Hammer – 1200 lbs September 9, 2020 | No Comments RBI Hammer HH1000-2. For use with 80/85 Mini Excavator. Impact Energy: 1200 ft-lbs Impact Rate: 500-860 Tool Diameter: 3.5 in Spec Sheet (PDF) Categories: Earth Moving, Equipment Rental, Excavation, Mini Excavator Attachments