C7.1 High Performance Propulsion Engine

The C7.1 marine propulsion engineis ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size. The engine features a common rail fuel system enabling optimum combustion and low emissions. The engines provide noticeably quiet operation due to reduced combustion noise through advanced electronic control. Additionally, no visible smoke is emitted from the C7.1 engines during operation.

Specifications

Ratings

Power Range
400 - 500 bhp (298 - 373 bkW)

Engine Specifications

Speed Range
2900 rpm
Emissions
IMO II, U.S. EPA Tier 3, RCD II, China II
Rotation from Flywheel End
Counterclockwise
Bore
4.13in
Stroke
5.31in
Aspiration
Turbocharged - Aftercooled
Displacement
428in³
Configuration
In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

Width - Engine
31.4in
Height
34.5in
Engine Dry Weight - Approximate
1676lb
Length - Engine
43.1in

Standard/Optional Features

Standard Equipment:

  • 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 Equipment:

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

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