C9.3

C9.3 Commercial Propulsion Engine

C9.3 Marine Propulsion Engine Commercial Applications
Power Range
375-476 bhp (280 - 355 bkW)
Speed Range
1800 - 2300 rpm
Emissions
IMO II, U.S. EPA Tier 3, China Stage II
The C9.3 ACERT propulsion engine has a B rating of 375 bhp (280 bkW) at 1800 rpm, a C rating of 416 bhp (310 bkW) at 2100 rpm, and a D rating of 476 bhp (355 bkW) at 2300 rpm. The C9.3 propulsion, auxiliary, and generator set engines have a common rail fuel system for optimal combustion and lower emissions. Cooling system options for the propulsion and auxiliary engines include heat exchanger with sea water aftercooling, and keel with combined circuit or separate circuit aftercooling. The genset packages are available with heat exchanger, keel, or radiator cooling. These products are EPA Tier 3 and IMO II certified. In addition the propulsionengine ratings are EU Stage IIIA certified and auxiliary and gen sets are also CCNR Stage II certified.
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THE RUNDOWN

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 Range375-476 bhp (280 - 355 bkW)
Engine Specifications
Speed Range1800 - 2300 rpm
EmissionsIMO II, U.S. EPA Tier 3, China Stage II
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Displacement567.5in³
AspirationTurbocharged - Aftercooled
Bore4.5in
Stroke5.8in
Rotation from Flywheel EndCounterclockwise
GovernorElectronic
Refill CapacityLube Oil System w/oil filter change: 24.5 L (6.5 gal)
Oil Change Interval500 hours
Flywheel HousingSAE No. 1 (113 teeth)
CoolingHeat exchanger and separate or combined keel cooled options
Dimensions & Weights
Dry Weight - Approximate2447lb
Width - Engine38.5in
Height43.0in
Length - Engine57.2in
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