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High Performance Propulsion and Maneuvering Solutions

C7.1 High Performance Propulsion Engine

  • Power Range
    298 bkW - 373 bkW (400 bhp - 500 bhp)
  • Power Range
    400 - 500 bhp (298 - 373 bkW)
  • Speed Range
    2900 rpm
  • Speed Range
    2900 rpm
Ratings
Power Range
298 bkW - 373 bkW (400 bhp - 500 bhp)
Power Range
400 - 500 bhp (298 - 373 bkW)
Engine Specifications
Speed Range
2900 rpm
Speed Range
2900 rpm
Emissions
EPA Tier 3 Recreational, IMO II, RCD 2016
Aspiration
Turbocharged, aftercooled
Bore
4.13 in
Stroke
5.31 in
Displacement
427.16 in3
Rotation
Counterclockwise
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Aspiration
Turbocharged - Aftercooled
Bore
4.13 in
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Displacement
428 in³
Rotation from Flywheel End
Counterclockwise
Stroke
5.31 in
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Dimensions & Weights
Length of Engine
54.9 in
Height
34.5 in
Width of Engine
31.4 in
Engine Dry Weight
1676 lb
Height
34.5 in
Length
43.1 in
Width
31.4 in
  • Exhaust System
    • Water cooled turbocharger and exhaust manifold
  • Fuel System
    • Common rail fuel system
    • Fuel cooler
    • Electric fuel priming pump
  • Cooling System
    • Corrosion resistant sea water aftercooler
    • Gear driven sea water pump (rubber impeller)
    • Fin and tube type jacket water heat exchanger
  • Starting System
    • Starter motors - 12V or 24V
  • General
    • Closed crankcase ventilation system
    • Integral engine oil cooler
    • Vibration damper and guard
    • Self-tensioning multi-vee alternator drive belt
  • Mounting System
    • Front and rear engine mounting brackets
  • OPTIONAL ATTACHEMENTS
    • Transmission gear oil cooler (engine mounted)
  • General
    • Alternators - 24V 140 amp - 12V 175 amp
    • Instrument Panels
    • Glow plugs
    • Primary fuel filter/water separator (remote mount)
    • Selection of factory-fitted marine transmissions and oil hoses
    • Triple groove PTO pulley (crankshaft mounted)
    • Flexible fuel hoses
  • Cooling System
    • Jacket water heater
    • Cabin heater (calorifier) connections
  • Exhaust System
    • 6" water cooled exhaust elbow
  • Mounting System
    • Isolation mounts
  • Lube System
    • Right-hand and high level left hand oil dipsticks