Cat® C4.4 ACERT™ Industrial Power Unit

Cat® C4.4 ACERT™ Industrial Power Unit

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The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 74.5-129.4 bkW (100-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission ...
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Power Rating

Maximum Power
173.5HP
Maximum Torque
553.2lb-ft @ 1400 rpm
Minimum Power
100HP
Rated Speed
2200 rpm

Emission Standards

Emissions
U.S. EPA Tier 4 Final, EU Stage IV

General

Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1in
Stroke
5in
Displacement
268.5in³
Aspiration
Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Compression Ratio
16.0:2
Rotation from Flywheel End
Counterclockwise

Aftertreatment Dimensions

Height
16.9in
Diameter
10.6in
Weight
176lb
Width
27.4in

Power Unit Dimensions

Length
56.4in
Height
45.3in
Weight
1543lb
Width
32.3in

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.

High Performance

Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque.

Fuel Efficiency

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

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

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

Tier 4 Final, Stage IV Aftertreatment Features

Regeneration. The DOC/SCR modular design offers a simple, compact package while providing high levels of performance. A DOC/DPF/SCR option is available for higher power machines. While in use, both DOC/SCR an DOC/DPF/SCR systems offer transparent operation to the user.


Mounting. Extensive range of inlets and outlets, as well as remote and on-engine installations, provide flexibility for many installations.


Service. Both DOC/SCR an DOC/DPF/SCR systems are service-free for the emissions life of the engine.


Standard Equipment: