RC154 (RC-154) 15 ton cylinder from Enerpac. Its max capacity is 15.7 tons of lifting strength and a maximum stroke of 4". Effective area of this cylinder is 3.14 in2 (square inches) & a oil capacity of 12.57 in3, Finally, the cylinder's collapsible height is7.88 inches. Weight: 11 lbs. This unit is also available as cylinder-pump set