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Industrial

Cat® C4.4 Diesel Engine

  • Minimum Power
    72.4 bhp
  • Maximum Power
    111.3 HP
  • Maximum Power
    111.3 bhp
  • Maximum Torque
    308 lb-ft @ 1400 rpm
Power Rating
Minimum Power
72.4 bhp
Maximum Power
111.3 HP
Maximum Power
111.3 bhp
Maximum Torque
308 lb-ft @ 1400 rpm
Rated Speed
2200-2400 rpm
Minimum Power
72.4 HP
Rated Speed
2200-2400 rpm
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
General
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
105 mm (4.13 in)
Bore
105 mm (4.13 in)
Bore
4.1 in
Stroke
5 in
Stroke
127 mm (5.0 in)
Stroke
127 mm (5.0 in)
Displacement
269 in³
Displacement
4.4 L (269 in³)
Aspiration
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Displacement
4.4 L (269 in³)
Compression Ratio
18.2:1
Compression Ratio
16.2:1
Aspiration
Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Combustion System
Direct Injection
Rotation
Counterclockwise
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-
Lube System
11 L (11.6 qt)
Lube System
11 L (11.6 qt)
Engine Dimensions - Approximate
Length
26.1 in
Width
23.7 in
Height
30.5 in
Weight
674.6 lb
Height
775-810 mm (30.5-31.9 in)
Length
663 mm (26.1 in)
Weight
291-306 kg (640-674.6 lb)
Width
470-620 mm (18.5-24.4 in)
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
291-306 kg (640-674.6 lb)
  • 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