Hydraulic Cylinders Manufacturer – Magister Hydraulics. How it's done. Moving Industry Seamlessly. Welded Double Acting Hydraulic Cylinder Bore: 3.5″ Stroke: 16″ Rod: 1.75″ Retracted: 26″ Extended:42″ Pin Size: 1.25″ Port Size: SAE 8 Column Load: 28,800 lbs Work Pressure: 3500 PSI Color: Black