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Caterpillar

Cat® C4.4 Diesel Engine

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.

Photos

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Features

Specifications

  • Power Rating
    Spec Value
    Maximum Power 111.3 HP
    Maximum Torque 308 lb-ft @ 1400 rpm
    Rated Speed 2200-2400 rpm
    Minimum Power 72.4 HP
  • Emission Standards
    Spec Value
    Emissions UN ECE R96 Stage IIIA
  • General
    Spec Value
    Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
    Bore 4.1 in
    Stroke 5 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 -
  • Engine Dimensions - Approximate
    Spec Value
    Length 26.1 in
    Width 23.7 in
    Height 30.5 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 674.6 lb

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