Cat® C4.4 ACERT™ Industrial Power Unit
Power Rating
- Maximum Power
- 173.5HP
- Maximum Torque
- 553.2lb-ft @ 1400 rpm
- Rated Speed
- 2200 rpm
- Minimum Power
- 100HP
Emission Standards
- Emissions
- U.S. EPA Tier 4 Final
General
- Engine Configuration
- Inline 4, 4-Stroke-Cycle Diesel
- Bore
- 4.1in
- Stroke
- 5in
- Displacement
- 268.5in³
- Compression Ratio
- 16.0:2
- Aspiration
- Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- DOC+DPF+SCR
Power Unit Dimensions
- Length
- 56.4in
- Width
- 32.3in
- Height
- 45.3in
- Weight
- 1543lb
Aftertreatment Dimensions
- Width
- 27.4in
- Height
- 16.9in
- Diameter
- 10.6in
- Weight
- 176lb
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.