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Cat C18 ACERT High Performance Propulsion Engine (Tier 3)

The C18 ACERT marine propulsion engine has high performance commercial application ratings of 814-1015 mhp (803-1001 bhp) at 2100-2300 rpm that meet U.S. EPA Tier 3, IMO II, and EU Stage IIIA emissions regulations. In addition to meeting the stricter EPA Tier 3 emissions, this engine now offers a fresh water aftercooled option for the commercial propulsion and auxiliary engines and genset packages. From fishing to offshore and everything in between, you can be confident that we have the solution to fit your needs.

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    Product Specs


    Power Range 814-1015 mhp, 803-1001 bhp, 599-747 bkW


    Speed Range 2100-2300 rpm
    Emissions EPA Tier 3, IMO II, EU Stage IIIA
    Aspiration TA,TTA
    Bore 5.7 in
    Stroke 7.2 in
    Displacement 1106 in³
    Rotation from Flywheel End Counterclockwise
    Configuration In-line 6, 4-Stroke-Cycle Diesel

    Dimensions & Weights

    Maximum Length 76 in
    Minimum Length 73 in
    Maximum Dry Weight 4299 lb
    Minimum Height 47.2 in
    Maximum Width 47.4 in
    Minimum Dry Weight 4000 lb
    Maximum Height 51.2 in
    Minimum Width 44.6 in