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Industrial

Cat® C4.4 Diesel Engine

  • Minimum Power
    82.5 bhp
  • Maximum Power
    142 HP
  • Maximum Power
    142.0 bhp
  • Maximum Torque
    411.2 lb-ft @ 1400 rpm
Power Rating
Minimum Power
82.5 bhp
Maximum Power
142 HP
Maximum Power
142.0 bhp
Maximum Torque
411.2 lb-ft @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
91.2 HP
Rated Speed
2200 rpm
Emission Standards
Emissions
China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
Emissions
China Nonroad Stage III, Brazil MAR-1, 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
Turbocharged (T) or Turbocharged Aftercooled (TA)
Displacement
4.4 L (269 in³)
Compression Ratio
16.9:1
Compression Ratio
16.2:1
Aspiration
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
24.8 in
Width
24.6 in
Height
37.7 in
Weight
794 lb
Height
823.5 mm (32.4 in)
Length
631 mm (24.8 in)
Weight
360 kg (793.7 lb)
Width
626 mm (24.65 in)
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
Length
631 mm (24.8 in)
Width
626 mm (24.65 in)
Height
823.5 mm (32.4 in)
Weight
360 kg (793.7 lb)
  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator
    • Starter motor
    • Glow plug starting aid
  • 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
    • Paint: Caterpillar yellow, with optional colors available at request
    • Timing case and gear-driven auxiliaries
    • Belt-driven auxiliaries
    • Engine mountings
    • Gauges
    • Displays
    • Power and torque curve tailoring