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C7.1 ACERT™ Standard Equipment

Air Inlet
  • Standard air cleaners

Control System
  • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
  • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines

Cooling System
  • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
  • 50:50 water glycol mix
  • Guidance on cooling system design available through your dealer to ensure equipment reliability

Flywheels and Flywheel Housing
  • Wide choice of drivetrain interfaces, including SAE No. 1, SAE No. 2, and SAE No. 3 configurations

Fuel System
  • Electronic high pressure common rail
  • ACERT™ Technology
  • Innovative filter design to ensure maximum protection of the engine

Lube System
  • Wide choice of sumps for different applications

  • Paint: Caterpillar yellow, with optional colors available at request

U.S. EPA Tier 4 Interim, EU Stage IIIB Aftertreatment / Clean Emissions Control Equipment
  • Cat Regeneration System
  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • NOx Reduction System (NRS)
  • 3" flex pipe connection kit with straight, 45°, and 90° options for flexibility

U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment/ Clean Emissions Control Equipment
  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • NOx Reduction System (NRS)
  • Selective Catalytic Reduction (SCR)
  • 3" flex pipe connection with straight, 45°, and 90° options for flexibility


The C7.1 ACERT™ Industrial Power Unit is offered in ratings ranging from 151-205 bkW (202-275 bhp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. 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 202.0 BHP 151.0 bkW Less
Maximum Power 275.0 BHP 205.0 bkW Less
Rated Speed 1800-2200 rpm 1800-2200 rpm Less

Emission Standards

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


Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.13 in) 105 mm (4.13 in) Less
Stroke 135 mm (5.3 in) 135 mm (5.3 in) Less
Displacement 7.01 L (427.7 in³) 7.01 L (427.7 in³) Less
Aspiration Series Turbocharged Aftercooled (TTA) Series Turbocharged Aftercooled (TTA) Less
Compression Ratio 16.5:1 16.5:1 Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Cooling System - Capacity 15.2 L (16 qt) 15.2 L (16 qt) Less
Lube System - Refill 13-16 L (13.7-16.9 qt) 13-16 L (13.7-16.9 qt) Less

Power Unit Dimensions - Approximate

Height 916 mm (36.1 in) 916 mm (36.1 in) Less
Length 1461 mm (57.5 in) 1461 mm (57.5 in) Less
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C 1000 kg (2204 lb) 1000 kg (2204 lb) Less
Width 1769 mm (69.6 in) 1769 mm (69.6 in) Less

Aftertreatment Dimensions - Approximate

Diameter 287-337.8 mm (11.3-13.3 in) 287-337.8 mm (11.3-13.3 in) Less
Height 618.5-643.9 mm (24.3-25.3 in) 618.5-643.9 mm (24.3-25.3 in) Less
Weight 124-134 kg (273.4-295.4 lb) 124-134 kg (273.4-295.4 lb) Less
Width 714.4 mm (28.1 in) 714.4 mm (28.1 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

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

Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.

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