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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