New CAT Equipment

Cat® C4.4 Industrial Power Unit

The C4.4 IPU engine is a common rail direct injection engine with either a single turbo or twin turbo chargecooled air system. It meets U.S. EPA Tier 4 Final, EU Stage V and Japan 2014 (Tier 4 Final) emission standards. For ease of installation, the IPU provides full aftertreatment mounting, an integrated cooling system and inlet air filter mounted to the IPU.

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    Product Specs

    Power Rating

    Maximum Power 188 HP
    Maximum Torque 601 lb-ft @ 1400 rpm
    Rated Speed 2000 - 2200 rpm
    Minimum Power 137 HP

    Emission Standards

    Emissions EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)


    Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
    Bore 4.1 in
    Stroke 5 in
    Displacement 268.5 in³
    Compression Ratio 16.0:2
    Aspiration Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
    Rotation from Flywheel End Counterclockwise
    Aftertreatment DOC+DPF+SCR

    Power Unit Dimensions

    Length 60.3 in
    Width 34.2 in
    Height 53.7 in
    Weight 1559 lb