Product Overview The hydraulic fan pump with part numbers 247-8968 and 10R-6278 is a cooling hydraulic power unit purpose-built for the E374D and 365 excavator cooling systems. It delivers high-pressure hydraulic oil to drive the fan motor for engine heat dissipation. Built with a variable piston structure, precise flow control, wear-resistant alloy materials, and precision machining, this pump offers direct replacement installation and stable output performance for demanding