APV Crepaco Positive Displacement Pump. Model: 4R. S/N: E-1405. Maximum capacity: 90 gpm. Maximum speed: 900 rpm. Displacement: 17.50 gal/100 revolutions. APV Crepaco pumps are known for their rugged, long-lasting and efficient performance. Every pump in the line has standard a stainless steel body, resilient molded rotors, and a heavy duty cast iron gear case which provides long-lasting, economical service over a wide range of products and applications. Inlets/outlets: (2) 2 in. dia. threaded fittings. Overall dimensions: 14 in. L x 11-1/2 in. W x 14 in. H.