Cat® C4.4 Diesel Engine

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Cat® C4.4 Diesel Engine

Minimum Power 72 bhp
Maximum Power 111 bhp
Emissions EU Stage IIIA Equivalent (NA). U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent (T, TA)
Rated Speed 2200-2400 rpm
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm (4.13 in)
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Power Rating
Minimum Power 72 bhp
Maximum Power 111 bhp
Rated Speed 2200-2400 rpm
Minimum Power 72 HP
Maximum Power 111 HP
Rated Speed 2200-2400 rpm
Maximum Torque 308 lb-ft @ 1400 rpm
Maximum Power 111 HP
Maximum Torque 308 lb-ft @ 1400 rpm
Rated Speed 2200-2400 rpm
Minimum Power 72 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 in
Stroke 5 in
Displacement 269 in³
Aftertreatment -
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 4 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. 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 31 in
Width 24 in
Length 26 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 675 lb
Length 26 in
Width 24 in
Height 31 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 675 lb

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
  • 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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