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Industrial Diesel Engines

Cat® C7.1 Diesel Engine

Maximum Power

275 HP

Maximum Torque

774 lb-ft @ 1400 rpm

Emissions

China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

SPECIFICATIONS

The Cat® C7.1 Industrial Diesel Engine is offered in ratings ranging from 116-205 bkW (156.2 bhp-275 bhp) @2200 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C7.1 ACERT 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.

    Emission Standards

    Emissions

    China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

    Engine Dimensions - Approximate

    Length

    36.6 in

    Width

    26.3 in

    Height

    32.2 in

    Weight - Net Dry - Basic Operating Engine Without Optional Attachments

    1,115 lb

    General

    Engine Configuration

    In-Line 6, 4-Stroke-Cycle Diesel

    Bore

    4.1 in

    Stroke

    5.3 in

    Displacement

    427.7 in³

    Aspiration

    Turbocharged Aftercooled (TA)

    Rotation from Flywheel End

    Counterclockwise

    Aftertreatment

    -

    Power Rating

    Maximum Power

    275 HP

    Maximum Torque

    774 lb-ft @ 1400 rpm

    Rated Speed

    2200-2500 rpm

    Minimum Power

    155.6 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, 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.
    • General
      • Paint: Caterpillar yellow, with optional colors available at request

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