Dimensions Operating Weight – With Tool 551.2lb Energy Class 399.8ft·lbf Machine Class 1-3 Ton Mini Excavators Tool Shaft Diameter 2in Impact Frequency 780-1800 bpm Minimum Operating Pressure 1450.4psi Minimum Carrier Weight 3309.1lb Optimal Hydraulic Flow 25-62 lpm (7-16 gpm) Overall Width 11.8in Overall Length 12.2in Overall Height 39.6in Height – Without Tool 29in Sound Level 120 dB Mounting Bracket Size Medium