The Hydraulic Cylinder (OEM Part No. 3128318851) is a spare part compatible with Boltec-MC and Boomer-MD underground drilling rigs. Manufactured from durable alloy steel, it is categorized as a hydraulic component used in the hydraulic power drive system at the hydraulic cylinder installation position. This cylinder converts hydraulic energy into controlled mechanical movement, providing accurate positioning and force transmission for drilling and bolting operations. Designed for demanding mining environments, it delivers reliable hydraulic performance, high pressure resistance, and long service life. It helps maintain smooth machine operation and improves productivity of underground drilling equipment.