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Información general

El Motor Diesel Industrial C7.1 ACERT™ se ofrece en clasificaciones que van desde 140-225 bkW (187,7-301,8 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. Clasificaciones: 116-225 bkW (156-302 bhp) a 2.200 rpm, diseñadas para cumplir con los estándares de emisiones Tier 4 Final de la EPA de EE.UU., Stage IV de la Unión Europea.Las industrias y aplicaciones que usan los motores C7.1 ACERT incluyen: agricultura, 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 156.0 bhp 116.0 bkW Less
Maximum Power 302.0 bhp 225.0 bkW Less
Frequency 2200 rpm 2200 rpm Less

Emission Standards

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


Engine Configuration In-Line 6, 4-Stroke-Cycle Diesel In-Line 6, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.1 in) 105 mm (4.1 in) Less
Stroke 135 mm (5.3 in) 135 mm (5.3 in) Less
Displacement 7 L (427.7 in³) 7 L (427.7 in³) Less
Aspiration Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) 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 15.2 L (16 qt) 15.2 L (16 qt) Less
Lube System (refill) 13-16 L (13.7-16.9 U.S. qts) 13-16 L (13.7-16.9 U.S. qts) 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 753-820.2 mm (29.6-32.3 in) 753-820.2 mm (29.6-32.3 in) Less
Height 907 mm (35.7 in) 907 mm (35.7 in) Less
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 715 kg (1576 lb) 715 kg (1576 lb) Less

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

Length 771-918.7 mm (30.4-36.2 in) 771-918.7 mm (30.4-36.2 in) Less
Width 714.4-793 mm (28.1-31.2 in) 714.4-793 mm (28.1-31.2 in) Less
Height 468-643.9 mm (18.4-25.3 in) 468-643.9 mm (18.4-25.3 in) Less
Weight 90-134 kg (198-295.4 lb) 90-134 kg (198-295.4 lb) Less
Diameter 287-337.8 mm (11.3-13.3 in) 287-337.8 mm (11.3-13.3 in) Less


Designed to meet U.S. EPA Tier 4 Interim or U.S. EPA Tier 4 Final, EU Stage IIIB or EU Stage IV 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

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. No additional fluids or additives are required, which lowers 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

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.


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•SSMsample
  • Customer Support Agreements (CSA)
  • Cat Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the CatIndustrial 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. The DOC/SCR modular designoffers a simple, compact package while providing high levels of performance. A DOC/DPF/SCRoption is available for higher power machines. While in use, both DOC/SCR an DOC/DPF/SCRsystems offer transparent operation to the user.

Mounting. Extensive range of inlets and outlets,as well as remote and on-engine installations, provide flexibility for many installations.
Service. Both DOC/SCR an DOC/DPF/SCR systems are service-free for the emissions life of the engine.
Available in 12V or 24V systems

C7.1 ACERT™ Equipos estándar

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.

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

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)
  • 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

Servicio del distribuidor Cat®

Compre cualquier equipo Cat® y obtenga también todo el respaldo y compromiso de su distribuidor Cat local.

Comuníquese con su distribuidor local
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