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Le Moteur diesel industriel C7.1 ACERT™ Cat® est proposé dans des puissances de 116-205 bkW (140-275 bhp) à 2 200-2 500 tr/min. Ces puissances sont conformes à la norme chinoise Niveau II, équivalent de la norme américaine EPA Tier 3 et de la norme européenne Niveau IIIA sur les émissions.Secteurs et applications alimentés par des Moteurs C7.1 ACERT : agriculture, tracteurs agricoles, assistance au sol des avions, engins de forage, déchiqueteuses/meuleuses, moissonneuses-batteuses/abatteuses, compacteurs/rouleaux, compresseurs, construction, grues, concasseurs, abatteuses-groupeuses, exploitation forestière, chariots élévateurs, industrie en général, groupes moteurs hydrauliques, matériel d'irrigation, chargeuses/porteurs, manutention, exploitation minière, matériel de terrassement mobile, balayeuses mobiles, équipements de pose de revêtement, pompes, tracteurs débardeurs, matériel agricole spécial, pulvérisateurs, trancheuses et machines d'exploitation minière souterraine.

Power Rating

Minimum Power 140.0 bhp 116.0 bkW Less
Maximum Power 275.0 bhp 205.0 bkW Less
Frequency 2200-2500 rpm 2200-2500 rpm Less

Emission Standards

Emissions China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent 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 7.01 L (427.7 in³) 7.01 L (427.7 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

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

Length 929 mm (35.5 in) 929 mm (35.5 in) Less
Width 725 mm (28.5 in) 725 mm (28.5 in) Less
Height 835 mm (32.87 in) 835 mm (32.87 in) Less
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 524 kg (1155 lb) 524 kg (1155 lb) Less


Meets China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Available using EPA (U.S.) Flexibility and 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

Series turbocharging with smart wastegate available on all 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

Les moteurs Tier 4 Interim ou Tier 4 Final, Niveau IIIB ou IV fonctionnent avec du carburant diesel à très faible teneur en soufre (ULSD) contenant au maximum 15 ppm de soufre, et de nouvelles formules d'huile pour prendre en charge la nouvelle technologie. Les moteurs Cat® sont conçus pour accepter le biocarburant B20. Votre concessionnaire Cat peut vous fournir plus d'informations sur le carburant et l'huile.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, materials- 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.


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

C7.1 ACERT™ Équipement standard

Air Inlet
  • Standard air cleaners

Control System
  • Full electronic control system, all connectorsand 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, detailed guidance on cooling system design and validation available to ensure machine reliability

Exhaust System
  • Diesel particulate filter and regeneration system supplied, with a range of inlet and outlet options

Flywheels and Flywheel Housing
  • Wide choice of drivetrain interfaces, including SAE1, SAE2 or SAE3 configurations

Fuel System
  • Electronic high pressure common rail, ACERTTM 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

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