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Industrial

Cat® C4.4 Industrial Power Unit

  • Minimum Rating
    81.8 bhp
  • Maximum Power
    108.6 HP
  • Maximum Rating
    108.6 bhp
  • Rated Speed
    2200 rpm
Power Rating
Minimum Rating
81.8 bhp
Maximum Power
108.6 HP
Maximum Rating
108.6 bhp
Rated Speed
2200 rpm
Minimum Power
81.8 HP
Rated Speed
2200 rpm
Minimum Rating
81.8 BHP
Maximum Rating
108.6 BHP
Emission Standards
Emissions
U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
Emissions
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
18.2:1
Aspiration
Turbocharged (T)
Displacement
4.4 L (268.5 in³)
Displacement
4.4 L (268.5 in³)
Combustion System
Direct Injection
Aspiration
Turbocharged (T)
Rotation from Flywheel End
Counterclockwise
Compression Ratio
18.2:1
Aftertreatment
-
Combustion System
Direct Injection
Rotation
Counterclockwise
Power Unit Dimensions
Length
49.6 in
Width
28.9 in
Height
38 in
Weight
1025 lb
Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)
Length
1260 mm (49.6 in)
Width
734 mm (28.9 in)
Height
964 mm (38 in)
Power Unit Dimensions - Approximate
Weight
465 kg (1025 lb)
Width
734 mm (28.9 in)
Height
964 mm (38 in)
Length
1260 mm (49.6 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
  • 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