For sale is a SMW - Autoblok Model 150-SIU-S Hydraulic Cylinder / Actuator for CNC Lathe Chucks. Serial No.1319. Closed center (no thru-hole) type cylinder. 3-Bar to 40-bar operating pressure. 6,000 RPM Maximum rotation speed. This chuck actuator was removed from a LeBlond-Makino Baron 15 NC Lathe that was sold due to a manufacturer's plant closing. Appearance of the unit is very good, with no visible signs of abuse.