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Industrial Diesel Engines

Cat?� C4.4 Diesel Engine

Maximum Power

111.3 hp

Maximum Torque

308 lb-ft @ 1400 rpm

Emissions

UN ECE R96 Stage IIIA

SPECIFICATIONS

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.

    Emission Standards

    Emissions

    UN ECE R96 Stage IIIA

    Engine Dimensions - Approximate

    Length

    26.1 in

    Width

    23.7 in

    Height

    30.5 in

    Weight - Net Dry - Basic Operating Engine Without Optional Attachments

    674.6 lb

    General

    Engine Configuration

    Inline 4, 4-Stroke-Cycle Diesel

    Bore

    4.1 in

    Stroke

    in

    Displacement

    269 in³

    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

    -

    Power Rating

    Maximum Power

    111.3 hp

    Maximum Torque

    308 lb-ft @ 1400 rpm

    Rated Speed

    2200-2400 rpm

    Minimum Power

    72.4 hp

    • 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

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