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Cat® C9.3B Industrial Power Unit

The Cat® C9.3 ACERT Industrial Diesel Power Unit is offered in ratings ranging from 250-340 bkW (335-456 bhp @ 1800-2200 rpm and meet U.S. EPA Tier 4 Final, EU Stage V emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

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    Product Specs

    Power Rating

    Maximum Power 400 HP
    Rated Speed 1800-2200 rpm
    Minimum Power 300 HP

    Emission Standards

    Emissions U.S. EPA Tier 4 Final


    Engine Configuration Inline 6, 4-Stroke-Cycle-Diesel
    Bore 4.5 in
    Stroke 5.9 in
    Displacement 567.5 in³
    Compression Ratio 17.0:1
    Aspiration Turbocharged Aftercooled (TA)
    Rotation from Flywheel End Counterclockwise
    Aftertreatment DOC+DPF+SCR

    Power Unit Dimensions

    Length 80.4 in
    Width 44 in
    Height 68.5 in
    Weight 4055 lb

    Aftertreatment Dimensions

    Width 34.3 in
    Height 22.4 in
    Weight 468 lb

    Aftertreatment Dimensions*

    Diameter 13 in

    PETU Dimensions - Tier 4 Final Only

    Length 33.6 in
    Width 11.3 in
    Height 21.7 in
    Weight 42.8 lb
    Volume Capacity 51.1 qt (US)