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Cat® C4.4 Marine Generator Set

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    Cat® C4.4 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 38.0, 51.5, and 69.0 ekW with heat exchanger cooling and at 36.0, 49.0, and 65.0 ekW with radiator cooling that meet EU CCNR2 emissions standards. The C4.4 also has three phase ratings of 60 Hertz at 44.0, 58.5, 76.0, and 99.0 ekW with heat exchanger cooling and of 42.0, 56.0, 72.0, and 95.0 ekW with radiator cooling. C4.4 gen set is available in 12 or 24 volt as an open gen set or as an enclosed package. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. The compact package size is ideal for a wide range of commercial and pleasure craft applications. These ratings also have Marine Classification Society approved packages available.

    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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      Cat® C4.4 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 38.0, 51.5, and 69.0 ekW with heat exchanger cooling and at 36.0, 49.0, and 65.0 ekW with radiator cooling that meet EU CCNR2 emissions standards. The C4.4 also has three phase ratings of 60 Hertz at 44.0, 58.5, 76.0, and 99.0 ekW with heat exchanger cooling and of 42.0, 56.0, 72.0, and 95.0 ekW with radiator cooling. C4.4 gen set is available in 12 or 24 volt as an open gen set or as an enclosed package. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. The compact package size is ideal for a wide range of commercial and pleasure craft applications. These ratings also have Marine Classification Society approved packages available.

      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 36.0R - 99 ekW
        Frequency 50 / 60
        Maximum Rating 99.0 ekW (123 kVA)
        Minimum Rating 36.0R ekW (45 kVA)
        Speed 1500 / 1800 rpm
        Emissions NST
        Aspiration NA, T, TA
        Bore 4.13in
        Displacement 269in³
        Engine Model In-line 4, 4-Stroke-Cycle Diesel
        Governor Type Electronic
        Stroke 5in
        Excitation Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
        IP Rating IP23 water protection (IP44 available for certain models, contact your dealer for information)
        Insulation Class H
        Number of Leads 12 lead reconnectable
        Pitch 2/3
        Voltage Regulator Solid state voltage regulator with integral voltage adjustment potentiometer
        Height 39.4in
        Length 68.9in
        Weight 805 kg (1775 lb) - 1015 kg (2338 lb)
        Width 47.8in

        Standard Equipment:

        • Air cleaner, single element canister type w/ service indicator and rain cap
        • Dry insulated turbocharger (DIT and DITA models only)
        • Glowplug cold start system
        • Heat exchanger cooled packages w/ Cupro-nickel tube bundle (sized for 50 o C ambient air and 32 o C sea water) or Keel cooled packages (sized for 50 o C ambient air)
        • De-aeration expansion tank
        • Plate-type engine oil cooler
        • Gear driven centrifugal jacket water pump
        • Gear driven self priming sea water pump
        • Caterpillar Extended Life Coolant (heat exchanger cooled packages)
        • Dry insulated turbocharger
        • Water-cooled exhaust manifolds
        • Primary fuel filter / water separator w/ NPT and BSP connectors (ship loose)
        • Secondary fuel filter (LH)
        • Fuel priming pump electric
        • Energize to run shutoff solenoid
        • 12 lead reconnectable
        • 3 phase all models
        • Brushless
        • Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
        • 2/3 pitch
        • Broad voltage band
        • IP23 water protection
        • Solid state voltage regulator w/ integral voltage adjustment potentiometer
        • Class H insulation
        • Connection poles
        • Lubricating oil
        • Oil filter (LH)
        • Dipstick (LH)
        • Fumes disposal (closed system)
        • Steel base frame with drip pan
        • Anti-vibration mounts
        • Negative isolated ground electric system
        • Single side service (LH)
        • Keel cooled gensets do not include the keel cooler(s)

        Optional Equipment:

        • 240V AC, 120V AC

        What Our Customers Are Saying About Us

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        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.
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        13:04 22 Feb 24
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        14:27 18 Sep 23
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        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.
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