The Gear Pump (OEM Part No. 5580101908) is a replacement hydraulic component used on Epiroc / Atlas Copco Scooptram ST2G underground loaders. It is designed to deliver hydraulic oil through the machine hydraulic circuit, providing the flow required for associated hydraulic functions and supporting stable system operation. As a positive-displacement gear pump, it transfers hydraulic fluid through the system during equipment operation. The 5580101908 Gear Pump is suitable for routine maintenance and replacement when the original pump shows wear, leakage, reduced flow or unstable hydraulic performance, helping restore reliable hydraulic-system operation and equipment functionality. Public parts references identify 5580101908 as a Gear Pump, with application to the Scooptram ST2G.