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Cat® C4.4 ACERT Industrial Power Unit

The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 74.5-129.4 bkW (100-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Tier 4 Interim Equivalent and Stage IIIB Equivalent ratings are also available using Flex options. 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 173.5 HP
    Maximum Torque 553.2 lb-ft @ 1400 rpm
    Rated Speed 2200 rpm
    Minimum Power 100 HP

    Emission Standards

    Emissions U.S. EPA Tier 4 Final

    General

    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 56.4 in
    Width 32.3 in
    Height 45.3 in
    Weight 1543 lb

    Aftertreatment Dimensions

    Width 27.4 in
    Height 16.9 in
    Weight 176 lb

    Aftertreatment Dimensions*

    Diameter 10.6 in