New CAT Equipment

C9.3 Commercial Propulsion Engine

The C9.3 ACERT propulsion engine has a B rating of 375 bhp (280 bkW) at 1800 rpm, a C rating of 416 bhp (310 bkW) at 2100 rpm, and a D rating of 476 bhp (355 bkW) at 2300 rpm. The C9.3 propulsion, auxiliary, and generator set engines have a common rail fuel system for optimal combustion and lower emissions. Cooling system options for the propulsion and auxiliary engines include heat exchanger with sea water aftercooling, and keel with combined circuit or separate circuit aftercooling. The genset packages are available with heat exchanger, keel, or radiator cooling. These products are EPA Tier 3 and IMO II certified. In addition the propulsionengine ratings are EU Stage IIIA certified and auxiliary and gen sets are also CCNR Stage II certified.

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    Product Specs

    Power Rating

    Power Range 375-476 bhp (280-355 bkW)

    Engine Specifications

    Speed Range 1800, 2100, 2300 rpm
    Emissions IMO II, U.S. EPA Tier 3, China Stage II
    Configuration In-line 6, 4-Stroke-Cycle Diesel
    Displacement 567.5 in³
    Aspiration Turbocharged-aftercooled
    Bore 4.5 in
    Stroke 5.8 in
    Rotation from Flywheel End Counterclockwise
    Rated Engine Speed 1800, 2100, 2300 rpm
    Governor Electronic
    Refill Capacity Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
    Oil Change Interval 500 hrs
    Flywheel Housing SAE No. 1 (113 teeth)
    Cooling Heat exchanger and separate or combined keel cooled options

    Dimensions & Weights

    Engine Dry Weight - Approximate 945-1122 kg (2083-2474 lbs)
    Width - Engine 38.5 in
    Height 43 in
    Length - Engine 57.2 in