... trucks,loaders,forklift etc Technical Parameter of Welded Hydraulic Cylinder:Welded hydraulic cylinder for construction machinery, cranes, excavators, ... : According to your request4. Max. Working Pressure: 80 MPa5. Min. Operating Pressure: Less than 0.5MPa6. Operating Speed Range ... range according to customer's requirements)Include excavator hydraulic cylinder, trailer oil cylinders, tractor RAM, crane ...