C7.1 ACERT™

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Overview

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

Units:
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

General

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. Final dimensions dependent on selected options)

Length 1461 mm (57.5 in) 1461 mm (57.5 in) Less
Width 1769 mm (69.6 in) 1769 mm (69.6 in) Less
Height 916 mm (36.1 in) 916 mm (36.1 in) Less
Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 1000 kg (2204 lb) 1000 kg (2204 lb) Less

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

Diameter 287-337.8 mm (11.3-13.3 in) 287-337.8 mm (11.3-13.3 in) Less
Width 714.4 mm (28.1 in) 714.4 mm (28.1 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

Emissions

Meets U.S. EPA Tier 4 Final, EU Stage IV emission standards. U.S. EPA Tier 4 Interim, EU Stage IIIB configurations are also available using EPA or EU Flexibility Process.

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.

Low Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, minimum 5000-hour diesel particulate filter (DPF) ash service interval and 500-hour oil change intervals enable low-cost maintenance. Many service items have a choice of location on either side of the engine to enable choice of service access. The S·O·SSM program is available from your Cat dealer to determine oil change intervals and provide optimal performance.

Quality

Every Cat engine is manufactured to stringent standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•SSM 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 Interim, Stage IIIB Aftertreatment Features


Regeneration. Cat Regeneration System maximizes fuel efficiency during regeneration.


Mounting. Remote installation options provide OEM flexibility for many applications.
Service. Minimum 5000 hour DPF ash service interval.

Tier 4 Final, Stage IV Aftertreatment Features


Regeneration. Passive regeneration completely transparent to the operator.


Mounting. Extensive range of inlets and outlets, as well as remote and on-engine installations, provide flexibility for many installations.
Service. Service-free DPF for the emissions life of the engine.

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

Power Take Off
  • SAE A or SAE B flanges on left-hand side. Right-hand side twin PTO also available. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.

General
  • Paint: Cat 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

Cat® Dealer Service

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