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Industrial Diesel Engines

Cat® C7.1 ACERT™ Diesel Engine

Maximum Power

320 HP

Maximum Torque

935 lb-ft @ 1400 rpm

Emissions

U.S. EPA & CARB Tier 4 Final, EU Stage V

SPECIFICATIONS

Demanding conditions, applications and environments make the Cat® C7.1 engines the perfect solution for your severe duty equipment. With decades of diesel engine innovation and expertise behind these engines, they deliver the low operating costs and legendary Cat reliability and durability that give you a powerful advantage. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat industrial engine. Industries and applications powered by C7.1 engines include: Agriculture, Ag Tractors, 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. Cat® C7.1 Industrial Diesel Engines, with ratings: 129-225 bkW (172-301.8 bhp) @ 2200 rpm, meet U.S. EPA Tier 4 Final, EU Stage V emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.

    Aftertreatment Dimensions

    Length

    29 in

    Width

    30.3 in

    Height

    18.1 in

    Weight

    236 lb

    Aftertreatment Dimensions*

    Diameter

    13.3 in

    Emission Standards

    Emissions

    U.S. EPA & CARB Tier 4 Final, EU Stage V

    Engine Dimensions - Approximate

    Length

    41.9 in

    Width

    31.4 in

    Height

    35.9 in

    Weight - Net Dry - Basic Operating Engine Without Optional Attachments

    1,658 lb

    General

    Engine Configuration

    In-Line 6

    Bore

    4.1 in

    Stroke

    5.3 in

    Displacement

    427.7 in³

    Compression Ratio

    16.5:1

    Aspiration

    Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)

    Combustion System

    Direct Injection

    Rotation from Flywheel End

    Counterclockwise

    Aftertreatment

    DOC+DPF+SCR

    Power Rating

    Maximum Power

    320 HP

    Maximum Torque

    935 lb-ft @ 1400 rpm

    Rated Speed

    2200 rpm

    Minimum Power

    172 HP

    • 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
    • General
      • 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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    WHY CHOOSE EMPIRE

    • Machines built tough and ready to run in rugged applications

    • Trusted advisors to help you find and maximize your equipment

    • Wide inventory of rental equipment that lets you try before you buy

    • Full service and support to ensure performance and longevity

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