The Pump Unit (OEM Part No. 3217920611) is a hydraulic spare part compatible with Epiroc underground mining equipment, including M4C, E70, S10M, M2D, Boltec S, T1D, Simba E7C, Boomer XE3C, Simba H1354, SIMBA H1254, Boomer 281, S7D, Boltec-S, Boomer-281, Boomer-282, M2C, S1D, and T1D models. Manufactured from steel alloy and hydraulic components, it functions as a hydraulic fluid supply and power transmission unit in the hydraulic system. The pump unit supports hydraulic circulation, provides stable fluid pressure, and ensures reliable machine operation. Designed for demanding mining environments, this replacement unit delivers excellent durability and long service life.