678 - 4 Ton - 5/8" Stroke Hydraulic Push Ram – Jackco Transnational Inc.
Amazon.com: AZMCNC 10 Ton Hydraulic Cylinder Ram Single Acting 4" Inch Stroke Hydraulic Cylinder Jack Lifting Jack Ram Portable Single Acting Lifting Cylinders with 100mm Stroke : Industrial & Scientific
30 Ton Hydraulic Cylinder Hollow Jack 2" 50mm Single Acting Stroke Ram Jack New | eBay
The extrusion load and ram stroke relation during extrusion process. | Download Scientific Diagram