Uses long-lasting, high-end silicon carbide seals that are specially suited for heavy-duty applications such as pumping contaminated and abrasive fluids. Requires 4 HP engine w/ M14-1.5 externally threaded shaft, 2 7/16in. What's Included (1) Pump only. Features + Benefits Silicon carbide seals are 2 times harder, 15% tougher, and 50% stronger than common aluminum oxide seals FCD45 cast iron impeller and volute reduce vibration and last longer for semi-trash operations Uses standard NPT threads for attachment flexibility Utilizes a check valve to hold a prime while the pump is not running. The item "Semi-Trash Water Pump For Threaded Shafts, 2in.Ports, 7,860 GPH Free Shipping" is in sale since Saturday, August 17, 2019. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps". The seller is "tideauctions" and is located in Huntsville, Alabama. This item can be shipped to United States.