Cat® C4.4 Industrial Power Unit

Overview
Minimum Rating
129 bhp
Maximum Rating
129 bhp
Emissions
U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
  • Exterior View

Power Rating

Minimum Rating
129 bhp
Maximum Rating
129 bhp
Rated Speed
2200 rpm
Minimum Rating
129 BHP
Maximum Rating
129 BHP
Rated Speed
2200 rpm
Maximum Power
129 HP
Minimum Power
129 HP
Maximum Power
129 HP
Rated Speed
2200 rpm
Minimum Power
129 HP

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
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
105 mm (4.1 in)
Stroke
127 mm (5.0 in)
Displacement
4.4 L (268.5 in³)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
16.2:1
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
105 mm (4.1 in)
Stroke
127 mm (5.0 in)
Displacement
4.4 L (268.5 in³)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
16.2:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
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
16.2:1
Aspiration
Turbocharged Aftercooled (TA)
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-

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 - Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
520 kg (1146 lb)
Width
749 mm (29.5 in)
Height
963 mm (37.9 in)
Length
1358 mm (53.5 in)

Power Unit Dimensions

Width
30 in
Weight
1,146 lb
Length
54 in
Height
38 in
Length
54 in
Width
30 in
Height
38 in
Weight
1,146 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.

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

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
  • 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
    • 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
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