The Hydraulic Cylinder (OEM Part No. 3128259403) is a hydraulic replacement part compatible with S2C, Boomer 281, Boomer S2, and BMH drilling and bolting rigs. Constructed from high-strength alloy steel, it is designed for use within the hydraulic actuation system at the cylinder body or piston position. The cylinder provides precise linear motion, reliable force transmission, and smooth operation under high-pressure conditions. Its durable, wear-resistant design ensures long-lasting performance in demanding underground mining and tunneling applications, maintaining hydraulic system integrity, operational efficiency, and safe, consistent actuation of drilling and support components.