New CAT Equipment

Cat® C7.1 ACERT Diesel Engine

The C7.1 Industrial Diesel Engine is offered in ratings from 129-225 bkW (172-302 bhp) @ 2200 rpm and meets U.S. EPA Tier 4 Final, EU Stage V emission standards. Industries and applications powered by C7.1 engines include: Agriculture, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers and Underground Mining Equipment.

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    • Aftertreatment Dimensions
      18.1 in
      29 in
      236 lb
      30.3 in
    • Aftertreatment Dimensions*
      13.3 in
    • Emission Standards
      U.S. EPA & CARB Tier 4 Final, EU Stage V
    • Engine Dimensions - Approximate
      35.9 in
      41.9 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      1658 lb
      31.4 in
    • General
      Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
      4.1 in
      Combustion System
      Direct Injection
      Compression Ratio
      427.7 in³
      Engine Configuration
      In-Line 6
      Rotation from Flywheel End
      5.3 in
    • Power Rating
      Maximum Power
      320 HP
      Maximum Torque
      935 lb-ft @ 1400 rpm
      Minimum Power
      172 HP
      Rated Speed
      2200 rpm
    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
    • Innovative filter design to ensure maximum protection of the engine
    Lube System
    • Wide choice of sumps for different applications
    • Paint: Caterpillar yellow, with optional colors available on request
    U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) 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

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