New CAT Equipment

Cat® C9.3B Diesel Engine

The Cat® C9.3B industrial diesel engine is offered in ratings ranging from 250-340 kW (335-456 hp) @ 1800-2200 rpm. These ratings meet U.S. EPA Tier 4 Final, EU Stage V, China Nonroad (NR) Stage IV, Japan 2014, and Korea Stage V emission standards.

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    Benefits

    Delivers 18% More Power compared to previous models

    21% Increase in Torque compared to previous models

    Engine package is over 12% lighter compared to previous models

    Learn more about the Cat® C9.3B Diesel Engine

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    • Aftertreatment Dimensions
      Height
      17 in
      Length
      36 in
      Weight
      211 lb
      Width
      27 in
    • Emission Standards
      Emissions
      EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
    • Engine Dimensions - Approximate
      Height
      42 in
      Length
      44 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      1907 lb
      Width
      31 in
    • General
      Aftertreatment
      DOC+DPF+SCR
      Aspiration
      Turbocharged-Aftercooled (TA)
      Bore
      4.5 in
      Combustion System
      Direct Injection
      Compression Ratio
      17.0:1
      Displacement
      567.5 in³
      Engine Configuration
      In-Line 6
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      5.9 in
    • Power Rating
      Maximum Power
      456 HP
      Maximum Torque
      1540 lb-ft @ 1400 rpm
      Minimum Power
      335 HP
      Rated Speed
      1800-2200 rpm
    Air Inlet System
    • Turbocharged
    • Air-to-Air Aftercooled
    • Mid-mount turbocharged system with front and rear exhaust configurations
    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
    • Available SAE 1 power take-off with optional SAE B, SAE C power take-off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Proposed Stage V)
    Fuel System
    • Electronic high pressure common rail
    • Primary fuel filter
    • Secondary and tertiary 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)
    Power Take Off (PTO)
    • 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
    Aftertreatment System
    • Clean Emissions Module (CEM) consisting of Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC) and high-efficiency Selective Catalytic Reduction (SCR)
    • Pump Electronic Control Unit (PETU)
    • Available in 12V or 24V systems

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