Product Overview This is a KYB variable displacement axial piston hydraulic pump designed for the CAT E303, 303C, 303CR, and 304 mini excavators. It delivers hydraulic power to the boom, arm, bucket, swing, and travel circuits, ensuring reliable and efficient machine operation. Part Number: 284-8038 Pump Type: KYB Variable Displacement Axial Piston Compatible Models: E303, 303C, 303CR, 304 Application: Mini Excavator Hydraulic System Important: Please verify the machine