Single Acting Hydraulic Cylinder Action: Single acting – Pressure extend, Spring return Ram Material: Hard black oxide plated high carbon steel Capacity: 30 US Tons Compressed Overall Height: 9.33″ Extended Overall Height: 15.24″ Stroke: 5.90″ Outside Cylinder Diameter: 4.06″ Inner Cylinder Diameter: 2.95 Oil Volume: 43.02 cubic inches Max Pressure: 10,000 PSI Minimum Operating Temperature: -15°C Connector Type: Quick hydraulic coupler with dust cap. Weight: 38.5 Lbs. Applications Include: Heavy machinery rigging and moving Auto repair Oil rigging Machine maintenance Bearing and bushing removal and installation Lifting, pushing, spreading, bending, pressing or straightening. ISO 14540 Thread (between male poppet end and coupling ring): M30 x 1.5 mm Thread: 3/8 NPT Occlusion Type: Poppet Rated Pressure: 10,000 psi Rated Flow: 6 GPM Sealing Material: Nitrile Rubber (Buna-N, NBR) Interchangeable With: Enerpac C-604 Parker 3000 Series Safeway S30 Series Stucchi IVHP Series Perfecting T Series Snap Tite 76 Series Dnp PVM Series Faster PVVM Series.