Inboard engine C18 ACERT

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The C18 ACERT marine propulsion engine has commercial application ratings of 454-715 bhp that meet IMO II & EU Stage IIA emissions regulations, and 469-715 bhp that meet EPA Tier 3, IMO II and EU Stage IIIA emissions regulations. In addition to the benefits the C18 ACERT's advanced marine engine technology brings, you welcome aboard legendary Cat product support. No matter where your spirit of adventure takes you, rest assured the Cat Dealer Network is close by. The primary advantage of the separate circuit aftercooling system (SCAC) is that no sea water circulates through the aftercooler. AIR INLET SYSTEM Separate circuit after-cooled (SCAC) Open Crankcase Ventilation (OCV) system Turbocharger, jacket water cooled Turbocharger inlet, 152 mm (6 in) OD straight connection COOLING SYSTEM Separate Circuit After-Cooling (SCAC) for both HEX and Keel cooled engines Engine JW and SCAC Shell & Tube Heat Exchangers for HEX cooled engines SCAC pump, gear driven, for HEX cooled engines only Jacket water pump, gear driven Sea water pump, bronze impeller, gear driven SCAC and JW shunt tanks for maintaining proper pump inlet pressures EXHAUST SYSTEM Water-cooled exhaust manifold & turbocharger 152 mm (6 in) round flanged outlet FLYWHEELS & FLYWHEEL HOUSINGS Flywheel Housing, SAE No. 0 Flywheel, 18 inch, 136 teeth SAE standard rotation SAE No. 1, Flywheel: 14 inch, 113 teeth FUEL SYSTEM Front service simplex fuel system Fuel transfer pump, gear driven Manual fuel priming pump Hybrid fuel line design LUBE SYSTEM Front service simplex oil system Center sump oil pan: Deep; 500 hour oil change interval, Shallow; 250 hour oil change interval