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The Cat® C13 ACERT™ Industrial Power Unit is offered in ratings ranging from 287-388 bkW (385-520 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 385.0 BHP 287.0 bkW Less
Maximum Power 520.0 BHP 388.0 bkW Less
Rated Speed 1800-2100 rpm 1800-2100 rpm Less

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. Less


Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Less
Bore 130 mm (5.12 in) 130 mm (5.12 in) Less
Stroke 157 mm (6.18 in) 157 mm (6.18 in) Less
Displacement 12.5 L (762.8 in³) 12.5 L (762.8 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Compression Ratio 17:1 17:1 Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Cooling System - Capacity 60.7 L (64.2 qt) 60.7 L (64.2 qt) Less
Lube System - Refill 34 L (35.9 qt) 34 L (35.9 qt) Less

Power Unit Dimensions - Approximate

Height 1928-2082 mm (75.9-81.97 in) 1928-2082 mm (75.9-81.97 in) Less
Length 2085-2122 mm (82.1-83.5 in) 2085-2122 mm (82.1-83.5 in) Less
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C 2085-2304 kg (4596-5080 lb) 2085-2304 kg (4596-5080 lb) Less
Width 1157-1247 mm (45.6-49 in) 1157-1247 mm (45.6-49 in) Less

Cat Regeneration System Aftertreatment Dimensions - Approximate

Diameter 330.2 mm (13 in) 330.2 mm (13 in) Less
Height 451.3-654 mm (17.8-25.7 in) 451.3-654 mm (17.8-25.7 in) Less
Weight 248-259 kg (547-571 lb) 248-259 kg (547-571 lb) Less
Width 779.8-1069 mm (30.7-42.1 in) 779.8-1069 mm (30.7-42.1 in) Less

PETU Dimensions - Tier 4 Final, Stage IV Only

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

Passive Regeneration System Aftertreatment Dimensions - Approximate

Height 547.2 mm (21.5 in) 547.2 mm (21.5 in) Less
Length 974.8 mm (38.4 in) 974.8 mm (38.4 in) Less
Weight 140 kg (308.6 lb) 140 kg (308.6 lb) Less
Width 958.3 mm (37.7 in) 958.3 mm (37.7 in) Less

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