The Cat® C4.4 ACERT™ 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 standards. Tier 4 Interim Equivalent and Stage IIIB Equivalent ratings are also available using Flex options. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.
|Emissions||U.S. EPA Tier 4 Final, EU Stage IV U.S. EPA Tier 4 Final, EU Stage IV||More Less|
|Engine Configuration||Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel||More Less|
|Bore||105 mm (4.1 in) 105 mm (4.1 in)||More Less|
|Stroke||127 mm (5.0 in) 127 mm (5.0 in)||More Less|
|Displacement||4.4 L (268.5 in³) 4.4 L (268.5 in³)||More Less|
|Aspiration||Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)||More Less|
|Compression Ratio||16:2 16:2||More Less|
|Rotation from Flywheel End||Counterclockwise Counterclockwise||More Less|
|Cooling System - Capacity||9-9.4 L (8.2-8.5 qt) 9-9.4 L (8.2-8.5 qt)||More Less|
|Lube System - Refill||5.2-13.5 L (5.5-14.27 qt) 5.2-13.5 L (5.5-14.27 qt)||More Less|
|Width||795-820 mm (31.3-32.3 in) 795-820 mm (31.3-32.3 in)||More Less|
|Height||1126-1150 mm (44.3-45.3 in) 1126-1150 mm (44.3-45.3 in)||More Less|
|Length||1433 mm (56.4 in) 1433 mm (56.4 in)||More Less|
|Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C||670-700 kg (1477-1543 lb) 670-700 kg (1477-1543 lb)||More Less|
|Weight||34-80 kg (75-176.4 lb) 34-80 kg (75-176.4 lb)||More Less|
|Height||279-430 mm (11-16.9 in) 279-430 mm (11-16.9 in)||More Less|
|Diameter||244.9-270.3 mm (9.6-10.6 in) 244.9-270.3 mm (9.6-10.6 in)||More Less|
|Width||365-695 mm (14.3-27.4 in) 365-695 mm (14.3-27.4 in)||More Less|
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Series turbocharging with smart wastegate available on specific ratings for fast response, high power, and increased torque.
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
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.
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.
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.