Rock Breaker 2.8-3.5T Favourite This Equipment Description Suits all makes and models of mini excavator from 2.8 to 3.5 tonnes. Operating Weight: 152Kg Chisel Diameter: 53mm Oil Flow: 25-50 Lpm Operating Pressure: 90-120 Bar Impact Energy: 320 Joules Impact Rate: 600-1100 Bpm Details Oil Flow Range: 25-50 Lpm Manufacture Year: 2023 Brand: Earthquake