C7.1 High Performance Propulsion Engine

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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.

Pricing: Contact for Pricing

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    Request Demo
    Power Range 400 - 500 bhp (298 - 373 bkW)
    Aspiration Turbocharged - Aftercooled
    Bore 4.13in
    Configuration In-line 6, 4-Stroke-Cycle Diesel
    Displacement 428in³
    Emissions IMO II, U.S. EPA Tier 3, RCD II, China II
    Rotation from Flywheel End Counterclockwise
    Speed Range 2900 rpm
    Stroke 5.31in
    Engine Dry Weight - Approximate 1676lb
    Height 34.5in
    Length - Engine 43.1in
    Width - Engine 31.4in

    Standard Equipment:

    • Water cooled turbocharger and exhaust manifold
    • Common rail fuel system
    • Fuel cooler
    • Electric fuel priming pump
    • Corrosion resistant sea water aftercooler
    • Gear driven sea water pump (rubber impeller)
    • Fin and tube type jacket water heat exchanger
    • Starter motors - 12V or 24V
    • Closed crankcase ventilation system
    • Integral engine oil cooler
    • Vibration damper and guard
    • Self-tensioning multi-vee alternator drive belt
    • Front and rear engine mounting brackets

    Optional Equipment:

    • Transmission gear oil cooler (engine mounted)
    • 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
    • Jacket water heater
    • Cabin heater (calorifier) connections
    • 6" water cooled exhaust elbow
    • Isolation mounts
    • Right-hand and high level left hand oil dipsticks

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