Cat?� C4.4 Industrial Power Unit

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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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    Maximum Power 188hp
    Maximum Torque 601lb-ft @ 1400 rpm
    Minimum Power 137hp
    Rated Speed 2000 - 2200 rpm
    Emissions EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
    Aftertreatment DOC+DPF+SCR
    Aspiration Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
    Bore 4.1in
    Compression Ratio 16.0:2
    Displacement 268.5in³
    Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
    Rotation from Flywheel End Counterclockwise
    Stroke 5in
    Height 53.7in
    Length 60.3in
    Weight 1559lb
    Width 34.2in

    Standard Equipment:

    • Standard air cleaners
    • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
    • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines
    • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
    • 50:50 water glycol mix
    • Guidance on cooling system design available through your dealer to ensure equipment reliability
    • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
    • Electronic high pressure common rail
    • Innovative filter design to ensure maximum protection of the engine
    • Wide choice of sumps for different applications
    • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.
    • Available with or without a balancer
    • Paint: Caterpillar yellow, with optional colors available at request
    • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
    • No ash service requirement
    • Passive regeneration

    Optional Equipment:

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