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The C18 ACERT marine propulsion engine has commercial application ratings of 460-725 mhp (454-873 bhp) at 1800-2200 rpm that meet IMO II emissions regulations. with the IMO II only engine ratings, Caterpillar offers the new added reliability benefits of the improved cooling system for international customers. In addition to the benefits the C18 ACERT’s advanced marine engine technology brings, you welcome aboard legendary Cat support. No matter where your spirit of adventure takes you, rest assured that there’s a Cat dealer or one of our authorized marine dealers close at hand.
|Speed Range||1800-2100 rpm 1800-2100 rpm||More Less|
|Configuration||In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel||More Less|
|Aspiration||TA, TTA TA, TTA||More Less|
|Bore||5.7 in 145.0 mm||More Less|
|Stroke||7.2 in 183.0 mm||More Less|
|Displacement||1106.0 in3 18.1 L||More Less|
|Rotation (from flywheel end)||Counterclockwise Counterclockwise||More Less|
|Emissions||IMO II, EU IIIA IMO II, EU IIIA||More Less|
|Minimum Length||73.0 in 1854.0 mm||More Less|
|Maximum Length||76.0 in 19312.0 mm||More Less|
|Minimum Width||44.6 in 1134.0 mm||More Less|
|Maximum Width||47.4 in 1204.0 mm||More Less|
|Minimum Height||47.2 in 1198.0 mm||More Less|
|Maximum Height||51.2 in 1300.0 mm||More Less|
|Maximum Dry Weight||4299.0 lb 1950.0 kg||More Less|
|Minimum Dry Weight||4000.0 lb 1814.0 kg||More Less|
Heat exchanger and Keel cooled options for all ratings
IMO II and EU IWW compliant for all ratings
The primary advantage of the separate circuit aftercooling system (SCAC) is that no sea water circulates through the aftercooler.
Specific ratings are available that meet IMO II emissions regulations and additional ratings are available that meet both EPA Tier 3 and IMO II emissions regulations.