HYDRAULIC CYLINDER; TYPE: HYDRAULIC; STROKE: 20 "; ROD: 4.25; ANCHOR: PULL-OUT PIN; MAXIMUM WORKING PRESSURE: 3000 PSI; FLUIDS: OIL EFFECT TYPE: DOUBLE ACTING; STANDARD: SAE COD 61; CHROME ROD 0.001 "THK; FEMALE THREAD W / 2.5 "-12UNF; BOTH ENDS CUSHIONED (ADJUSTABLE)