oem 330GC Main Pump 551-1122 330GC Hydraulic Pump for Excavator Parts

Displacement 110 cm³/rev (per section, dual-section design) Maximum Operating Pressure 350 bar (5,076 psi) - main system; 280 bar (4,061 psi) - swing circuit Maximum Speed 2,200 rpm Flow Rate Up to 280 L/min (74 gal/min) at rated speed Drive Type Directly driven by engine via splined coupling Weight Approximately 185 kg (408 lbs) Mounting Interface SAE J744 flanged mount (adapter plate compatible with 330GC engine output)