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Cat® C4.4 Diesel Engine

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    The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards. Turbocharged (T) and Turbocharged Aftercooled (TA) Ratings are also available, ranging from 55.5-83 bkW (74.4-111.3 bhp) @ 2200-2400 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. 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

    The Cat® C4.4 Naturally Aspirated (NA) Industrial Diesel Engine is offered in ratings ranging from 54-56 bkW (72.4-75 bhp) @ 2200 rpm. These ratings meet EU Stage IIIA equivalent emission standards. Turbocharged (T) and Turbocharged Aftercooled (TA) Ratings are also available, ranging from 55.5-83 bkW (74.4-111.3 bhp) @ 2200-2400 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. 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 111.3HP
    Maximum Torque 308lb-ft @ 1400 rpm
    Minimum Power 72.4HP
    Rated Speed 2200-2400 rpm
    Emissions UN ECE R96 Stage IIIA
    Height 30.5in
    Length 26.1in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 674.6lb
    Width 23.7in
    Aftertreatment -
    Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
    Bore 4.1in
    Combustion System Direct Injection
    Compression Ratio 18.2:1
    Displacement 269in³
    Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
    Rotation from Flywheel End Counterclockwise
    Stroke 5in

    Standard Equipment:

    • Air Inlet System
      • Inlet manifold with choice of inlets.
    • Control System
      • Alternator
      • Starter motor
      • Control Panel
      • Glow plug starting aid
    • 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
      • SAE No. 3 flywheel housing
      • Flywheel and starter rings
    • Fuel System
      • Fuel filter positions
    • Lube System
      • Lubricating oil filters and breathers
      • Oil filter positions
      • Lube oil sump
    • Power Take Off
      • SAE B Power Take Off (PTO)
    • General
      • Timing case and gear-driven auxiliaries
      • Belt-driven auxiliaries
      • Engine mountings
      • Gauges
      • Displays
      • Power and torque curve tailoring
      • Paint: Caterpillar yellow, with optional colors available at request

    Optional Equipment:

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