Excavators are high-efficiency construction machinery widely used in earthwork excavation, foundation construction, road repair, municipal pipeline construction, and mining operations. The machine employs mature and reliable hydraulic transmission technology, enabling precise linkage operation of the boom, stick, and bucket to meet excavation, loading, and backfilling needs under various working conditions. Combined with flexible working devices and a stable chassis structure, excavators possess excellent operating efficiency and stability, making them suitable for long-term, high-intensity engineering projects.