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Overview

The Cat® C6.6 ACERT™ Industrial Power Unit is offered in ratings ranging from 129.5-168 bkW (173.7-225.3 bhp) @ 1800-2500 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent 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 Rating 173.7 bhp 129.5 bkW Less
Maximum Rating 225.0 bhp 168.0 bkW Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent Less

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.1 in) 105 mm (4.1 in) Less
Stroke 127 mm (5.0 in) 127 mm (5.0 in) Less
Displacement 6.6 L (402.8 in³) 6.6 L (402.8 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Compression Ratio 16.2:1 16.2:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)

Length 1708 mm (67.23 in) 1708 mm (67.23 in) Less
Width 767 mm (30.2 in) 767 mm (30.2 in) Less
Height 1144 mm (45 in) 1144 mm (45 in) Less
Weight - Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 709 kg (1563 lb) 709 kg (1563 lb) Less

Emissions

Meets U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Available using U.S. EPA Flexibility or EU Flexibility, and for other regulated and non-regulated areas.

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

With maximum torque levels maintained, this engine provides class-leading power take-off capability.

Low Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, "no ash service" aftertreatment, 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 quality 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

C6.6 ACERT™ Standard Equipment

Air Inlet System
  • Mounted air filter and turbocharger

Control System
  • Alternator 12 volt 14 amp
  • Starter motor 12 volt
  • Glow plug starting aid

Cooling System
  • Fan (pusher or puller)
  • Fan drive
  • Radiator
  • Water pump

Flywheels and Flywheel Housing
  • Choice of SAE No. 2 or SAE No. 3 flywheel housing

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

Lube System
  • Oil cooler
  • Lube oil filter
  • Timing case oil filler

Power Take Off (PTO)
  • SAE A or SAE B front PTO (142/280 NŸM)

General
  • Paint: Cat yellow, with optional colors available at request

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

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