This hydraulic breaker is a new 2023 GXS90 from Gorilla Hammers. It boasts an impact energy of 1,500 ft. lbs at 450-900 blows per minute. The tool diameter is 3.4 inches, and it has an oil flow rate of 12-23 gallons per minute via a 3/4″ diameter oil hose. (operating oil pressure at 1,850-2,100 psi).