Select Units


The Cat® C15 ACERT™ Industrial Power Unit is offered in ratings ranging from 354-433 bkW (475-580 bhp) @ 1800-2100 rpm. 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.

Power Rating

  • Minimum Power 475.0 BHP 354.0 bkW
  • Maximum Power 580.0 BHP 433.0 bkW
  • Rated Speed 1800-2100 rpm 1800-2100 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final, EU Stage IV Nonroad Emission Standards. Designed to meet proposed EU Stage V Nonroad Emission Standards. U.S. EPA Tier 4 Final, EU Stage IV Nonroad Emission Standards. Designed to meet proposed EU Stage V Nonroad Emission Standards.


  • Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
  • Bore 137 mm (5.39 in) 137 mm (5.39 in)
  • Stroke 171 mm (6.73 in) 171 mm (6.73 in)
  • Displacement 15.2 L (927.6 in³) 15.2 L (927.6 in³)
  • Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
  • Compression Ratio 17:1 17:1
  • Rotation from Flywheel End Counterclockwise Counterclockwise
  • Cooling System - Capacity 26.9 L (28.4 qt) 26.9 L (28.4 qt)
  • Lube System - Refill 38-72 L (40-76 qt) 38-72 L (40-76 qt)

Power Unit Dimensions - Approximate

  • Height 1912-2006 mm (75.3-79 in) 1912-2006 mm (75.3-79 in)
  • Length 2172-2488 mm (85.5-98 in) 2172-2488 mm (85.5-98 in)
  • Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C 2113-2650 kg (4658-5842 lb) 2113-2650 kg (4658-5842 lb)
  • Width 1180-1229 mm (46.5-48.4 in) 1180-1229 mm (46.5-48.4 in)

Aftertreatment Dimensions - Approximate

  • Diameter 330.2-355.6 mm (13-14 in) 330.2-355.6 mm (13-14 in)
  • Height 451.3-654 mm (17.8-25.7 in) 451.3-654 mm (17.8-25.7 in)
  • Weight 180-268 kg (397-590.8 lb) 180-268 kg (397-590.8 lb)
  • Width 779.8-1112 mm (30.7-43.8in) 779.8-1112 mm (30.7-43.8in)

PETU Dimensions - Tier 4 Final, Stage IV Only

  • Height 551 mm (21.7 in) 551 mm (21.7 in)
  • Length 854 mm (33.6 in) 854 mm (33.6 in)
  • Volume Capacity 48.4 L (51.1 qt) 48.4 L (51.1 qt)
  • Weight 19.42 kg (42.8 lb) 19.42 kg (42.8 lb)
  • Width 287 mm (11.3 in) 287 mm (11.3 in)

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

Simple and efficient turbocharger with balance valve provides optimal air management and improved fuel efficiency.

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 10 ppm sulfur (EU) and 15 ppm sulfur (U.S.), 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.

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

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