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Cat® C4.4 Diesel Engine

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    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.

    Request a quote

    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.

    Request a quote
    Maximum Power 173.5HP
    Maximum Torque 553lb-ft @ 1400 rpm
    Minimum Power 93.9HP
    Rated Speed 2200 rpm
    Emissions U.S. EPA & CARB Tier 4 Final
    Aftertreatment DOC+SCR or DOC+DPF+SCR
    Aspiration Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
    Bore 4.1in
    Combustion System Direct Injection
    Compression Ratio 16.5:1
    Displacement 268.5in³
    Engine Configuration Inline 4
    Rotation from Flywheel End Counterclockwise
    Stroke 5in
    Height 34.1in
    Length 33.3in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 926lb
    Width 29.1in
    Height 15.3in
    Length 26.5in
    Weight 99lb
    Width 18.8in
    Diameter 10.6in

    Standard Equipment:

    • Air Inlet System
      • Standard air cleaners
    • Control System
      • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
      • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines
    • Cooling System
      • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
      • 50:50 water glycol mix
    • Flywheels And Flywheel Housing
      • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations
    • Fuel System
      • Electronic high pressure common rail
      • Innovative filter design to ensure maximum protection of the engine
    • Lube System
      • Wide choice of sumps for different applications
    • Power Take Off
      • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.
    • General
      • Available with or without a balancer
      • Paint: Caterpillar yellow, with optional colors available at request
    • U.s. Epa Tier 4 Interim Equivalent, Eu Stage Iiib Equivalent Aftertreatment / Clean Emissions Control Equipment
      • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
      • No ash service requirement
      • Passive regeneration
    • U.s. Epa Tier 4 Final, Eu Stage Iv Aftertreatment/ Clean Emissions Control Equipment
      • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
      • Selective Catalytic Reduction (SCR)
      • 3" flex pipe connection with straight, 45°, and 90° options for flexibility

    Optional Equipment:

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    Call: (800) 451-7278