3-inch self-priming centrifugal diesel trash pumps powered by a heavy-duty C.A.G 6hp or 9hp diesel engine, include an aluminum body with cast-iron fittings, a cast iron impeller and volute for abrasion resistance, and a silicon mechanical seal for durability. The tubular steel frame design is better for transportation and pump protection. This 3-inch (80 mm) diesel trash pump is highly recommended for industry uses such as: marine, drilling, mining, and oil & gas related areas.