Commercial Propulsion Engines
C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)
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Power Range280 bhp - 425 bhp (209 bkW - 317 bkW)
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Speed Range2300 - 2700 rpm
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Minimum Width31.4 in
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EmissionsU.S. EPA Tier 3, IMO II, RCD II, China II
Power Rating
- Power Range
- 280 bhp - 425 bhp (209 bkW - 317 bkW)
Engine Specifications
- Speed Range
- 2300 - 2700 rpm
- Emissions
- U.S. EPA Tier 3, IMO II, RCD II, China II
- Configuration
- In-line 6, 4-stroke-cycle diesel
- Rated Engine Speed
- 2300 - 2700 rpm
- Displacement
- 428 in³
- Aspiration
- Turbocharged-aftercooled
- Governor
- Electronic (A5E2 V2 ECM)
- Flywheel Housing
- SAE No. 03
- Bore
- 4.13 in
- Stroke
- 5.31 in
- Refill Capacity
- 20 L (5.3 gal)
- Oil Change Interval
- 500 hrs
- Rotation
- Counterclockwise from the flywheel end
- Cooling
- Heat exchange or keel cooled
Dimensions & Weights
- Minimum Width
- 31.4 in
- Maximum Width
- 33.5 in
- Minimum Engine Dry Weight
- 1609 lb
- Maximum Engine Dry Weight
- 1676 lb
- Dry Weight
- 1676 lb
- Height
- 34.5 in
- Length
- 43.1 in
- Width
- 31.4 in
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General
- Marine Classification Society (MCS) Approval
- Water-cooled turbocharger and exhaust manifold
- Closed crankcase ventilation system
- Integral engine oil cooler
- Self-tensioning multi-vee alternator drive belt
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Fuel System
- Common rail fuel system
- Starter motors - 12V or 24V
- Fuel cooler
- Electric fuel priming pump
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Starting System
- Corrosion-resistant sea water aftercooler
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Mounting System
- Vibration damper and guard
- Front and rear engine mounting brackets
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Cooling System
- Gear-driven seawater pump (rubber impeller)
- Fin and tube-type jacket water heat exchanger
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Fuel System
- SOLAS double wall high-pressure fuel lines
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General
- Engine-mounted secondary alternator - 24V 55 amp or 12V 100 amp
- Analogue gauge displays
- Glow plugs
- Mechanical throttle converter for repower
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Cooling System
- Transmission gear oil cooler (engine mounted)
- Jacket water heater
- Cabin heater (calorifier) connections
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Exhaust System
- Various 5" and 6" water cooled exhaust elbow configurations
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Lube System
- Right-hand and high-level left-hand oil dipsticks