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Industrial:

Cat® C9.3 Diesel Engine

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C9.3 Tier 4 Diesel Engines - Highly Regulated
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Cooling System Capacity
22 L (23.6 qts)
Lube System (refill)
30 L (31.7 qts)
Length
1119-1150 mm (44.0-45.3 in)

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.

Product Specs

  • General

    • Engine Configuration
    In-Line 6, 4-Stroke-Cycle Diesel
    Cooling System Capacity
    22 L (23.6 qts)
    Lube System (refill)
    30 L (31.7 qts)
    Bore
    4.5in
    Stroke
    5.9in
    Displacement
    567.5in³
    Aspiration
    Turbocharged-Aftercooled (TA)
    Compression Ratio
    17.0:1
    Combustion System
    Direct Injection
    Rotation from Flywheel End
    Counterclockwise
    Engine Configuration
    In-Line 6

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

    • Length
    1119-1150 mm (44.0-45.3 in)
    Width
    827-1025 mm (32.6-40.4 in)
    Height
    1066-1123 mm (41.9-44.2 in)
    Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
    885 kg (1950 lb)

  • Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

    • Length
    885-925.89 mm (34.8-36.45 in)
    Width
    714.4-870 mm (28.12-34.4 in)
    Height
    392.21-570 mm (15.44-22.4 in)
    Weight
    210-213 kg (463-470 lb)

  • PETU Dimensions (Tier 4 Final, Stage IV Only)

    • Length
    854 mm (33.6 in)
    Width
    287 mm (11.3 in)
    Volume Capacity
    48.4 L (51.1 qt)
    Weight
    19.42 kg (42.8 lb)
    Height
    551 mm (21.7 in)

  • Power Rating

    • Minimum Power
    300HP
    Maximum Power
    400HP
    Rated Speed
    1800-2200 rpm
    Maximum Torque
    1268lb-ft @ 1400 rpm

  • Emission Standards

    • Emissions
    U.S. EPA Tier 4 Final

  • Engine Dimensions - Approximate

    • Length
    45.3in
    Width
    40.4in
    Height
    44.2in

  • PETU Dimensions - Tier 4 Final Only

    • Volume Capacity
    51.1qt (US)

  • Aftertreatment Dimensions

    • Length
    36.5in
    Weight
    213lb

Equipment

  • 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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