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Caterpillar

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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Exterior

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Features

Specifications

  • Power Rating
    Spec Value
    Maximum Power 456 hp
    Maximum Torque 1540 lb-ft @ 1400 rpm
    Rated Speed 1800-2200 rpm
    Minimum Power 335 hp
  • Emission Standards
    Spec Value
    Emissions EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
  • General
    Spec Value
    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
    Aftertreatment DOC+DPF+SCR
  • Engine Dimensions - Approximate
    Spec Value
    Length 44 in
    Width 31 in
    Height 42 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1907 lb
  • Aftertreatment Dimensions
    Spec Value
    Length 36 in
    Width 27 in
    Height 17 in
    Weight 211 lb

Standard Equipment

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