The Pulley Wheel (OEM Part No. 3128311802) is a mechanical spare component compatible with S10M, Boltec S, 235 Bolter, Boltec-MC, and Boomer-MD underground drilling rigs. Manufactured from durable alloy steel, it is designed for the feed assembly pulley system position. The pulley wheel supports guided movement and mechanical transmission within the feed system, ensuring stable operation and accurate positioning. Its strong construction provides reliable load performance, precise fitment, and long service life in demanding underground mining environments. This OEM replacement pulley wheel helps maintain feed system efficiency and equipment reliability.