C9.3 Commercial Propulsion Engine
Commercial Propulsion Engines
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Specification Summary
- Power Range 375-476 bhp (280-355 bkW)
- 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
*Preliminary Information* 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 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 |
| Aspiration | Turbocharged-aftercooled |
| Bore | 115 mm |
| Stroke | 149 mm |
| Rotation from Flywheel End | Counterclockwise |
| 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
| Engine Dry Weight - Approximate | 945-1122 kg (2083-2474 lbs) |
| Width - Engine | 978 mm |
| Height | 1093 mm |
| Length - Engine | 1452 mm |
Watercooled turbocharger and exhaust manifold
Electronic control system
Thermostats and housing
Gear-driven sea water pump (self-priming)
Common rail fuel system
Shell and tube type jacket water heat exchanger
Corrosion-resistant sea water aftercooler
Engine oil cooler
Vibration damper and guard
Primary fuel filters
Alternators – 24V 70, 105 amp, 12V 110 amp
Closed crankcase ventilation system
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 starting motors
24V electric and air
24V electric (2)
30 Mins