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C4.4

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.
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      Benefits & Features

      Reliable, Quiet and Durable Power

      World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

      Package Size

      Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

      World-class Product Support Offered Through Global Cat Dealer Network
      • Scheduled maintenance, including SOSSM sample
      • Customer Support Agreements (CSA)
      • Caterpillar Extended Service Coverage (ESC)
      • Superior dealer service network
      • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

      specifications

      Power Rating
      Maximum Power 83 kW
      Maximum Torque 418 Nm @ 1400 rpm
      Rated Speed 2200-2400 rpm
      Minimum Power 54 kW
      Emission Standards
      Emissions UN ECE R96 Stage IIIA
      General
      Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
      Bore 105 mm
      Stroke 127 mm
      Displacement 4.4 l
      Compression Ratio 18.2:1
      Aspiration Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
      Combustion System Direct Injection
      Rotation from Flywheel End Counterclockwise
      Aftertreatment -
      Engine Dimensions - Approximate
      Length 663 mm
      Width 602 mm
      Height 775 mm
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments 306 kg

      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

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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