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Industrial Diesel Engines

Cat® C9.3 Diesel Engine

Maximum Power

400 HP

Maximum Torque

1,268 lb-ft @ 1400 rpm

Emissions

U.S. EPA Tier 4 Final

SPECIFICATIONS

The Cat® C9.3 Industrial Diesel Engine is offered in ratings ranging from 224-298 bkW (300-400 bhp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Industries and applications powered by C9.3 ACERT engines include: Agriculture, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Sprayers, Surface Hauling Equipment, Trenchers and Underground Mining Equipment.

    Aftertreatment Dimensions

    Length

    36.5 in

    Width

    34.4 in

    Height

    22.4 in

    Weight

    213 lb

    Emission Standards

    Emissions

    U.S. EPA Tier 4 Final

    Engine Dimensions - Approximate

    Length

    45.3 in

    Width

    40.4 in

    Height

    44.2 in

    Weight - Net Dry - Basic Operating Engine Without Optional Attachments

    1,950 lb

    General

    Engine Configuration

    In-Line 6

    Bore

    4.5 in

    Stroke

    5.9 in

    Displacement

    567.5 in³

    Compression Ratio

    17.0:1

    Aspiration

    Turbocharged-Aftercooled (TA)

    Combustion System

    Direct Injection

    Rotation from Flywheel End

    Counterclockwise

    PETU Dimensions - Tier 4 Final Only

    Length

    33.6 in

    Width

    11.3 in

    Height

    21.7 in

    Weight

    42.8 lb

    Volume Capacity

    51.1 qt (US)

    Power Rating

    Maximum Power

    400 HP

    Maximum Torque

    1,268 lb-ft @ 1400 rpm

    Rated Speed

    1800-2200 rpm

    Minimum Power

    300 HP

    • Air Inlet System
      • Turbocharged
      • Air-to-Air Aftercooled
      • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage IV)
    • Control System
      • Electronic control system
      • Over-foam wiring harness
      • Automatic altitude compensation
      • Power compensated for fuel temperature
      • Configurable software features
      • Engine monitoring system SAE J1939 broadcast and control
      • Integrated Electronic Control Unit (ECU)
      • Remote fan control
    • Cooling System
      • Vertical or RH thermostat outlet
      • Centrifugal water pump
      • Guidance on cooling system design available through your dealer to ensure equipment reliability
    • Flywheels and Flywheel Housing
      • Dual rear PTO configuration
      • Available SAE No. 1 power take off with optional SAE A, SAE B or SAE C power take off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Stage IV).
    • Fuel System
      • Electronic high pressure common rail
      • Primary fuel filter
      • Secondary fuel filters
      • Fuel transfer pump
      • Electronic fuel priming
    • Lube System
      • Open crankcase ventilation system
      • Oil cooler
      • Oil filler
      • Lube oil filter
      • Oil dipstick
      • Gear driven oil pump
      • Choice of front, rear or center sumps
      • Open crankcase ventilation system with fumes disposal (optional OCV filter system) (Tier 4 Final, Stage IV)
    • Power Take Off (PTO)
      • SAE A, SAE B or SAE C power take off (PTO) drives. Engine power can also be taken from the front of the engine on some applications.
    • General
      • Paint: Caterpillar yellow, with optional colors available at request
      • Vibration damper
      • Lifting eyes
    • 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)
      • Flex pipe connection kit with 90° rotatable elbows to attach to Cat Regeneration System Inlet
      • Available in 12 volt or 24 volt systems
    • 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)
      • Aftertreatment Electronic Control Unit (ECU)
      • NOx Reduction System (NRS)
      • Pump Electronic Control Unit (PETU)
      • Selective Catalytic Reduction (SCR)
      • Available in 12V or 24V systems

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