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    Cat?� C7.1 Diesel Engine
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    Cat?� C27 Industrial Power Unit
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    Cat?� C18 Industrial Power Unit
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    Cat?� C15 Industrial Power Unit
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    Power Rating
    Maximum Power 275 hp 950 HP 630 hp 580 hp
    Maximum Torque 774 lb-ft @ 1400 rpm 3211 lb-ft @ 1200 rpm - 1958 lb-ft @ 1400 rpm
    Rated Speed 2200-2500 rpm 1800 rpm 1800-2100 1800-2100 rpm
    Minimum Power 155.6 hp 800 HP 575 hp 475 hp

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

    Engine Dimensions - Approximate
    Length 36.6 in - - -
    Width 26.3 in - - -
    Height 32.2 in - - -
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1115 lb - - -

    General
    Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
    Bore 4.1 in 5.7 in 5.7 in 5.4 in
    Stroke 5.3 in 6 in 7.2 in 6.7 in
    Displacement 427.7 in³ 1649.5 in³ 1104.5 in³ 927.6 in³
    Aspiration Turbocharged Aftercooled (TA) Twin Turbocharged-Aftercooled (TTA) Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
    Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
    Aftertreatment - DOC - DOC+DPF+SCR
    Compression Ratio - 16.0:1 16.3:1 17.0:1

    Power Unit Dimensions
    Length - - 54.6 in 98 in
    Width - - 36.3 in 48.4 in
    Height - - 48.9 in 79 in
    Weight - - 4844 lb 5842 lb

    Aftertreatment Dimensions
    Width - - - 43.8 in
    Height - - - 25.8 in
    Weight - - - 591 lb

    Aftertreatment Dimensions*
    Diameter - - - 14 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)
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