New CAT Equipment

Cat® C7.1 ACERT Diesel Engine

Demanding conditions, applications and environments make the Cat® C7.1 engines the perfect solution for your severe duty equipment. With decades of diesel engine innovation and expertise behind these engines, they deliver the low operating costs and legendary Cat reliability and durability that give you a powerful advantage. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat industrial engine. Industries and applications powered by C7.1 engines include: Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers and Underground Mining Equipment. Cat® C7.1 Industrial Diesel Engines, with ratings: 129-225 bkW (172-301.8 bhp) @ 2200 rpm, meet U.S. EPA Tier 4 Final, EU Stage V emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.

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    Product Specs

    Power Rating

    Maximum Power 320 HP
    Maximum Torque 935 lb-ft @ 1400 rpm
    Rated Speed 2200 rpm
    Minimum Power 172 HP

    Emission Standards

    Emissions U.S. EPA & CARB Tier 4 Final, EU Stage V

    General

    Engine Configuration In-Line 6
    Bore 4.1 in
    Stroke 5.3 in
    Displacement 427.7 in³
    Compression Ratio 16.5:1
    Aspiration Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
    Combustion System Direct Injection
    Rotation from Flywheel End Counterclockwise
    Aftertreatment DOC+DPF+SCR

    Engine Dimensions - Approximate

    Length 41.9 in
    Width 31.4 in
    Height 35.9 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1658 lb

    Aftertreatment Dimensions

    Length 29 in
    Width 30.3 in
    Height 18.1 in
    Weight 236 lb

    Aftertreatment Dimensions*

    Diameter 13.3 in