YANMAR Diesel powered, portable, high volume, self priming trash pumps come standard with a cast iron impeller to resist abrasion. They feature one tool serviceability for easy clean out. All pumps feature an aluminum housing, cast iron wearparts, built in check valve, suction strainer and painted heavy duty steel roll frame. The pumps also feature heavy duty cast iron flanges with male NPT threads. The flanges can be rotated in 90 degree increments and come with an easy access fill plug on the discharge.