Specifications include, but are not limited to: Two (2) New Caterpillar model C32, US EPA Tier III certified marine propulsion engine, rated 750 BHP @ 1600-1800 RPM, with standard factory equipment, and Wide Operating Speed Range (WOSR) capability This feature provides a constant power speed range from 1600-1800rpm. The engine's maximum speed can be adjusted using Cat ET to any point between this constant power speed range. For many installations it can be beneficial or necessary to limit the maximum engine speed lower than the factory preset point of 1800rpm Engines shall be Keel cooled and provided with the following standard and optional equipment. AIR INLET SYSTEM Separate Circuit After-Cooled (SCAC) Turbochargers, jacket water cooled Turbochargers inlet, 152 mm (6 in) OD straight connection