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    Cat® 3508 Diesel Engine
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    Cat® 3516C Industrial Power Unit
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    Cat® C18 Industrial Power Unit (<560 kW)
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    Cat® C4.4 Industrial Power Unit
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    Power Rating
    Maximum Power 1000 HP 2100 HP 630 HP 129.4 HP
    Maximum Torque 3144 lb-ft @ 1450 rpm - 2177 lb-ft @ 1300 rpm -
    Rated Speed 1200-1800 rpm 1750 rpm 1800-2000 rpm 2200 rpm
    Minimum Power 680 HP 2100 HP 575 HP 129.4 HP

    Emission Standards
    Emissions Non-Certified U.S. EPA Tier 2 Nonroad equivalent emission standards (not currently EPA certified) U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

    Engine Dimensions - Approximate
    Length 84 in 129 in - -
    Width 67 in 60 in - -
    Height 68 in 81 in - -
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 9500 lb 17284 lb - -

    General
    Engine Configuration V-8, 4-Stroke-Cycle Diesel V-16, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
    Bore 6.7 in 6.7 in 5.7 in 4.1 in
    Stroke 7.5 in 8.5 in 7.2 in 5 in
    Displacement 2107 in³ 4760 in³ 1104.5 in³ 268.5 in³
    Compression Ratio 13.0:1 13.0:1 16.0:1 16.2:1
    Aspiration Turbocharged Aftercooled Turbocharged Aftercooled Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
    Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise Counterclockwise
    Aftertreatment - - DOC+DPF+SCR -

    Power Unit Dimensions
    Length - - 99.7 in 53.5 in
    Width - - 48.9 in 29.5 in
    Height - - 79 in 37.9 in
    Weight - - 5842 lb 1146 lb

    Aftertreatment Dimensions
    Width - - 43.8 in -
    Height - - 25.7 in -
    Weight - - 591 lb -

    Aftertreatment Dimensions*
    Diameter - - 13 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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