Product Overview Part Number 284-8038 Pump Type KYB Variable Displacement Axial Piston Compatible Models CAT E303, 303C, 303CR Mini Excavator This KYB variable displacement axial piston hydraulic pump is designed for CAT E303, 303C, and 303CR mini excavators. It supplies hydraulic power to the boom, arm, bucket, swing, and travel hydraulic circuits, ensuring reliable and efficient machine operation. Important: Please verify the machine serial number before placing an order to