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    Cat® C4.4 Industrial Power Unit
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    Cat® C15 Industrial Power Unit
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    Cat® C32 Industrial Power Unit
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    Cat® C7.1 Industrial Power Unit
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    Cat® C27 Industrial Power Unit
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    Power Rating
    Maximum Power 129.4 HP 540 HP 1000 HP 302 HP 950 HP
    Rated Speed 2200 rpm 1800-2100 rpm 1800 rpm 1800-2200 rpm 1800 rpm
    Minimum Power 129.4 HP 440 HP 1000 HP 202 HP 800 HP
    Maximum Torque - - 3825 lb-ft @ 1200 rpm 940 lb-ft @ 1400 rpm 3211 lb-ft @ 1200 rpm

    Emission Standards
    Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent U.S. EPA Tier 4 Final and EU Stage V U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) U.S. EPA Tier 4 Final, EU Stage V

    General
    Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel V-12 Inline 6, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel
    Bore 4.1 in 5.4 in 5.7 in 4.1 in 5.7 in
    Stroke 5 in 6.8 in 6.4 in 5.3 in 6 in
    Displacement 268.5 in³ 927.6 in³ 1958.9 in³ 427.7 in³ 1649.5 in³
    Compression Ratio 16.2:1 18.0:1 16.0:1 16.5:1 16.0:1
    Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Twin Turbocharged Aftercooled (TTA) Series Turbocharged Aftercooled (TTA) Twin Turbocharged-Aftercooled (TTA)
    Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
    Aftertreatment - - DOC DOC+DPF+SCR DOC
    Cycle - - 4 - -
    Combustion System - - Direct Injection - -
    Cooling System - - liquid - -

    Power Unit Dimensions
    Length 53.5 in 96.4 in 100.7 in 69.6 in -
    Width 29.5 in 51.8 in 64.4 in 36.1 in -
    Height 37.9 in 103.5 in 77.6 in 57.5 in -
    Weight 1146 lb 4532 lb - 2204 lb -

    Aftertreatment Dimensions
    Length - - - 30.4 in -
    Width - - - 31.2 in -
    Height - - - 18.4 in -
    Weight - - - 198 lb -
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