C7.1 High Performance Propulsion Engine

Back to

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


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

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

    Optional Equipment:

    • Alternators - 24V 140 amp - 12V 175 amp
    • Transmission gear oil cooler (engine mounted)
    • Instrument Panels
    • Glow plugs
    • Jacket water heater
    • 6" water cooled exhaust elbow
    • Isolation mounts
    • Primary fuel filter/water separator (remote mount)
    • Selection of factory-fitted marine transmissions and oil hoses
    • Cabin heater (calorifier) connections
    • Triple groove PTO pulley (crankshaft mounted)
    • Flexible fuel hoses
    • Right-hand and high level left hand oil dipsticks

    What Our Customers Are Saying About Us

    3.9
    Based on 46 reviews
    powered by Google
    Renee Herndon
    21:55 29 Feb 24
    Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
    David Lawrence
    13:04 22 Feb 24
    Brandon Pierce
    22:00 18 Feb 24
    Darin Noe
    01:17 16 Feb 24
    Jose Soto
    15:26 23 Sep 23
    Hunter Elliott
    16:17 07 Sep 23
    Rick Kelly-Crapse
    21:06 25 Aug 23
    They had all my parts for my 3208 Cat.Friendly folks at parts counter.
    js_loader