C9.3 Commercial Propulsion Engine

  • Overview
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Key Features & Benefits

  • Electronic control system provides industry-leading torque and throttle response at low speeds, while maintaining fuel efficiency at high speeds
  • Common rail fuel system enables optimum combustion and low emissions
  • RH and LH locations service options for fuel and oil filters, as well as dipstick location for easily accessible service
  • Compatible with Cat® displays
  • Available remote-mounted display panel with start, stop, and engine diagnostics
  • 12V or 24V electrical system
  • Certified by all marine classification societies
Power Rating
Power Range 375-476 bhp (280-355 bkW)
Engine Specifications
Speed Range 1800, 2100, 2300 rpm
Emissions IMO II, U.S. EPA Tier 3, China Stage II
Configuration In-line 6, 4-Stroke-Cycle Diesel
Displacement 9.3 l (567.5 inu00b3)
Aspiration Turbocharged-aftercooled
Bore 115 mm (4.5 in)
Stroke 149 mm (5.8 in)
Rotation from Flywheel End Counterclockwise
Dimensions & Weights
Engine Dry Weight - Approximate 945-1122 kg (2083-2474 lbs)
Width - Engine 978 mm (38.5 in)
Height 1093 mm (43 in)
Engine Specifications
Rated Engine Speed 1800, 2100, 2300 rpm
Governor Electronic
Refill Capacity Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
Oil Change Interval 500 hrs
Flywheel Housing SAE No. 1 (113 teeth)
Cooling Heat exchanger and separate or combined keel cooled options
Dimensions & Weights
Length - Engine 1452 mm (57.2 in)

Standard Equipment

  • Standard Equipment
    • Water-cooled turbocharger and exhaust manifold
    • Electronic control system
    • Thermostats and housing
    • Gear-driven Sea water pump (self-priming)
    • Common rail fuel system
    • Shell and tube jacket water heat exchanger
    • Corrosion-resistant Sea water aftercooler
    • Engine oil cooler
    • Vibration damper and guard
    • Primary fuel filters

Optional Equipment

  • Optional Attachments
    • Alternators – 24V 70 or 105 amp, 12V 110 amp
    • Closed crankcase ventilation
    • Transmission gear oil cooler (engine mounted for HEX)
    • Additional engine and transmission sensor packages
    • Instrument panels
    • Electric starting motors – 12V or 24V
    • Air starting motor
    • Dual electric starting motors or combined electric/air
    • Electric fuel priming pump
    • Fuel cooler
    • PTO Drives – V-belt pulley stack, stub shaft
    • Duplex fuel and oil filters
    • Double wall fuel rail

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