Excavator Hydraulic Pump PC200-6K Series Compatible with PC200-6K, PC200EL-6K, and PC200EN-6K excavator models. Original part numbers: 21P-60-K1800 and 21P-60-K3080. Procurement & Installation Guidelines Verify OEM part number compatibility, including regulator and servo valve assembly Require hydraulic bench test report for pressure, flow, and case drain leakage For remanufactured units, confirm replacement of pistons, cylinder block, valve plate, slippers, bearings, and all