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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

    Request a New Equipment Quote

    Fill out this form below and we will get back to you within 1 to 2 business days! Alternatively, give us a call at 833-286-3561


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      Request a quote Request Demo

      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

      Request a quote

      Request a New Equipment Quote

      Fill out this form below and we will get back to you within 1 to 2 business days! Alternatively, give us a call at 833-286-3561


        This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

        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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