The hydraulic system can only perform efficiently when oil flow, pressure generation, and actuator response remain synchronized under load. The PVD-2B-42L3DS-7S / PVD-2B-42L hydraulic main pump is designed for KX161-3, KX155, U45, and U55 excavators, supplying stable hydraulic power for boom, arm, bucket, and travel functions during continuous machine operation.
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