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El Motor Diesel Industrial Cat® C6.6 ACERT se ofrece en clasificaciones que van desde 89-129,4 bkW (119,3-173,5 bhp) a 2.200 rpm. Estas clasificaciones cumplen con los estándares de emisiones Tier 4 Interim de la EPA de EE.UU., Stage IIIB de la Unión Europea.Las industrias y aplicaciones que usan los motores C6.6 ACERT incluyen: agricultura, tractores agrícolas, apoyo en tierra para aeronaves, plataformas de perforación, cortadores/trituradores, combinas/cosechadoras, compactadores/rodillos, compresores, construcción, grúas, trituradoras, taladoras apiladoras, forestal, montacargas, industrial general, unidades de energía hidráulica, equipos de riego, cargadores/transportadores, manipulación de materiales, minería, equipos móviles de movimiento de tierras, barredoras móviles, equipos de pavimentación, bombas, arrastradores de troncos, equipos especiales para la agricultura, rociadores, zanjadoras y equipos para minería subterránea.

Power Rating

Minimum Power 119.3 bhp 89.0 bkW Less
Maximum Power 173.5 bhp 129.4 bkW Less
Frequency 2200 rpm 2200 rpm Less

Emission Standards

Emissions U.S. EPA Tier 4 Interim, EU Stage IIIB U.S. EPA Tier 4 Interim, EU Stage IIIB Less


Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Less
Bore 105.0 mm (4.13 in) 105.0 mm (4.13 in) Less
Stroke 127 mm (5.00 in) 127 mm (5.00 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 16.5:1 16.5:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Cooling System Capacity 13.7 L (14.5 qt) 13.7 L (14.5 qt) Less
Lube System (refill) 13-16 L (13.7-16.9 qt) 13-16 L (13.7-16.9 qt) Less

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

Length 1063.7 mm (41.9 in) 1063.7 mm (41.9 in) Less
Width 753 mm (29.6 in) 753 mm (29.6 in) Less
Height 907 mm (35.7 in) 907 mm (35.7 in) Less
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 695 kg (1532 lb) 695 kg (1532 lb) Less

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

Length 852.7 mm (33.6 in) 852.7 mm (33.6 in) Less
Width 364.6 mm (14.35 in) 364.6 mm (14.35 in) Less
Height 352 mm (13.9 in) 352 mm (13.9 in) Less
Weight 40 kg (88.1 lb) 40 kg (88.1 lb) Less
Diameter 283 mm (11.1 in) 283 mm (11.1 in) Less


Meets U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards.

Reliable, Quiet and Durable Power

World-class manufacturing capability and processescoupled with proven core engine designs assurereliability, quiet operation, and many hours ofproductive life.

High Performance

Turbocharger with smart wastegate available on some 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

Los motores Tier 4 Interim o Tier 4 Final, Stage IIIB o Stage IV requieren combustible diesel ultra bajo en azufre (ULSD, Ultra Low Sulfur Diesel) que contenga un máximo de 15 ppm de azufre y nuevas formulaciones de aceite que respalden la nueva tecnología. Los motores Cat® están diseñados para adaptarse al biocombustible B20. Su distribuidor Cat puede entregarle más información sobre el combustible y el aceite.

Broad Application Range

Industry leading range of factory configurable ratingsand options for agricultural, material handling,construction, mining, aircraft ground support, and otherindustrial applications.

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

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.


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

  • Mantenimiento programado, incluida una muestra S•O•SSM< /li>
  • Convenios de respaldo al cliente (CSA, Customer Support Agreements)< /li>
  • Cobertura de servicio extendido (ESC, Extended Service Coverage) Caterpillar
  • Red de servicio superior del distribuidor
  • Red de servicio extendido del distribuidor a través del programaDistribuidor de servicio industrial (ISD, Industrial Service Distributor) Cat

Tier 4 Interim, Stage IIIB Aftertreatment Features

Regeneration. Passive regeneration completely transparent to the operator.

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

C6.6 ACERT™ Equipos estándar

Air Inlet System
  • 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

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 (PTO)
  • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.

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

Cat® Dealer Service

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

Contact your local dealer