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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.

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SPECIFICATION SUMMARY
  • Minimum Power 72.4 bhp
  • Maximum Power 111.3 bhp
  • Emissions EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
  • Rated Speed 2200-2400 rpm

PRICE (USD)
Call 440-838-7348 for rate information

Power Rating

  • Minimum Power
    72.4 bhp
  • Maximum Power
    111.3 bhp
  • Rated Speed
    2200-2400 rpm
  • Minimum Power
    72.4 HP
  • Maximum Power
    111.3 HP
  • Rated Speed
    2200-2400 rpm
  • Maximum Torque
    308 lb-ft @ 1400 rpm
  • Maximum Power
    111.3 HP
  • Maximum Torque
    308 lb-ft @ 1400 rpm
  • Rated Speed
    2200-2400 rpm
  • Minimum Power
    72.4 HP

Emission Standards

  • Emissions
    EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
  • Emissions
    UN ECE R96 Stage IIIA
  • Emissions
    UN ECE R96 Stage IIIA

General

  • Engine Configuration
    Inline 4, 4-Stroke-Cycle Diesel
  • Bore
    105 mm (4.13 in)
  • Stroke
    127 mm (5.0 in)
  • Displacement
    4.4 L (269 in³)
  • Aspiration
    Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
  • Compression Ratio
    16.2:1
  • Combustion System
    Direct Injection
  • Rotation (from flywheel end)
    Counterclockwise
  • Lube System (refill)
    11 L (11.6 qt)
  • Engine Configuration
    Inline 4, 4-Stroke-Cycle Diesel
  • Bore
    105 mm (4.13 in)
  • Stroke
    127 mm (5.0 in)
  • Aspiration
    Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
  • Displacement
    4.4 L (269 in³)
  • Compression Ratio
    18.2:1
  • Combustion System
    Direct Injection
  • Rotation from Flywheel End
    Counterclockwise
  • Lube System - Refill
    11 L (11.6 qt)
  • Bore
    4.1 in
  • Stroke
    5 in
  • Displacement
    269 in³
  • 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

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length
    663 mm (26.1 in)
  • Width
    470-620 mm (18.5-24.4 in)
  • Height
    775-810 mm (30.5-31.9 in)
  • Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
    291-306 kg (640-674.6 lb)

Engine Dimensions - Approximate

  • Height
    775-810 mm (30.5-31.9 in)
  • Length
    663 mm (26.1 in)
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    291-306 kg (640-674.6 lb)
  • Width
    470-620 mm (18.5-24.4 in)
  • Height
    30.5 in
  • Width
    23.7 in
  • Length
    26.1 in
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    674.6 lb
  • Weight - Net Dry - Basic Operating Engine Without Optional Attachments
    674.6 lb
  • Length
    26.1 in
  • Width
    23.7 in
  • Height
    30.5 in

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

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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