The YP20G uses a 171cc, OHV 4-stroke engine that is quieter, more powerful, and consumes less fuel than comparable engines. Pumps up to 169 gal/min (10,140 gal/hr) through a two-inch port. | Delivers a 88-foot total head, with a 26-foot suction head. | Impeller and volute case are cast iron for greater strength and durability; and they withstand wear from grit, sand, silt, etc. | Dependable carbon-ceramic mechanical seals are durable, easy to replace, and they reduce abrasion for long pump life. | Standard National Pipe Thread (NPT) fittings connect easily with the suction and discharge hoses.