C9.3 Commercial Propulsion Engine

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C9.3 Commercial Propulsion Engine

Power Range375-476 bhp (280 – 355 bkW)
Speed Range1800 – 2300 rpm
EmissionsIMO II, U.S. EPA Tier 3, China Stage II
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
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Learn more about our C9.3 Commercial Propulsion Engine

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.

Power Range
375-476 bhp (280 - 355 bkW)
Speed Range
1800 - 2300 rpm
Emissions
IMO II, U.S. EPA Tier 3, China Stage II
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Displacement
567.5in³
Aspiration
Turbocharged - Aftercooled
Governor
Electronic
Bore
4.5in
Stroke
5.8in
Refill Capacity
Lube Oil System w/oil filter change: 24.5 L (6.5 gal)
Oil Change Interval
500 hours
Flywheel Housing
SAE No. 1 (113 teeth)
Rotation from Flywheel End
Counterclockwise
Cooling
Heat exchanger and separate or combined keel cooled options
Length - Engine
57.2in
Dry Weight - Approximate
2447lb
Width - Engine
38.5in
Height
43in
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
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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