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Cat® C4.4 Diesel Engine

Cat® C4.4 Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of common rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. Industries and applications powered by C4.4 engines include: Agriculture, Aerial Lifts, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Harvesters, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers, Turf and Landscaping and Underground Mining Equipment.

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    Product Specs

    Power Rating

    Maximum Power 173.5 HP
    Maximum Torque 553 lb-ft @ 1400 rpm
    Rated Speed 2200 rpm
    Minimum Power 93.9 HP

    Emission Standards

    Emissions U.S. EPA & CARB Tier 4 Final

    General

    Engine Configuration Inline 4
    Bore 4.1 in
    Stroke 5 in
    Displacement 268.5 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+SCR or DOC+DPF+SCR

    Engine Dimensions - Approximate

    Length 33.3 in
    Width 29.1 in
    Height 34.1 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 926 lb

    Aftertreatment Dimensions

    Length 26.5 in
    Width 18.8 in
    Height 15.3 in
    Weight 99 lb

    Aftertreatment Dimensions*

    Diameter 10.6 in