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Industrial

Cat® C4.4 Industrial Power Unit

  • Minimum Rating
    129.4 bhp
  • Maximum Power
    129.4 HP
  • Maximum Rating
    129.4 bhp
  • Rated Speed
    2200 rpm
Power Rating
Minimum Rating
129.4 bhp
Maximum Power
129.4 HP
Maximum Rating
129.4 bhp
Rated Speed
2200 rpm
Minimum Power
129.4 HP
Rated Speed
2200 rpm
Minimum Rating
129.4 BHP
Maximum Rating
129.4 BHP
Emission Standards
Emissions
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
4.1 in
Bore
105 mm (4.1 in)
Bore
105 mm (4.1 in)
Stroke
5 in
Displacement
268.5 in³
Stroke
127 mm (5.0 in)
Stroke
127 mm (5.0 in)
Compression Ratio
16.2:1
Aspiration
Turbocharged Aftercooled (TA)
Displacement
4.4 L (268.5 in³)
Displacement
4.4 L (268.5 in³)
Combustion System
Direct Injection
Aspiration
Turbocharged Aftercooled (TA)
Rotation from Flywheel End
Counterclockwise
Compression Ratio
16.2:1
Aftertreatment
-
Combustion System
Direct Injection
Rotation
Counterclockwise
Power Unit Dimensions
Length
53.5 in
Width
29.5 in
Height
37.9 in
Weight
1146 lb
Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)
Length
1358 mm (53.5 in)
Width
749 mm (29.5 in)
Height
963 mm (37.9 in)
Power Unit Dimensions - Approximate
Weight
520 kg (1146 lb)
Width
749 mm (29.5 in)
Height
963 mm (37.9 in)
Length
1358 mm (53.5 in)
  • Air Inlet System
    • Mounted air filter and turbocharger
  • Control System
    • Available in 12 volt or 24 volt systems
    • Starter motor 12V or 24V
  • Cooling System
    • Fan (pusher or puller)
    • Fan drive
    • Radiator
    • Water pump
  • Flywheels and Flywheel Housing
    • Flywheel
    • SAE No. 3 flywheel housing
  • Fuel System
    • Fuel filter
    • ACERT Technology
  • Lube System
    • Oil cooler
    • Lube oil filter
    • Timing case oil filler
  • Mountings
    • Engine mounting brackets
  • Power Take Off (PTO)
    • SAE A or SAE B front PTO (142/280 NM)
  • General
    • Paint: Caterpillar yellow, with optional colors available at request