Product Overview This hydraulic fan motor, available under part numbers 598-7827 , 505-5180 , and 542-7626 , is a cooling hydraulic drive unit specially engineered for the cooling systems of E395, 336, 340, 345, 349, and 352 excavators. It converts hydraulic pressure into rotational power to drive the cooling fan, ensuring effective engine temperature control. Built with a high-torque piston structure, precise sealing design, wear-resistant alloy materials, and precision