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C4.4

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.
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      Benefits & Features

      Economical

      Low owning and operating costs with competitive pricing, longlife construction, and extended service intervals

      Easy to install

      Plug and play remote instrument panels

      Environmentally responsible

      Low emission, noise, and vibration levels; 60 Hz meets EPA Tier 2, 50 Hz meets EU 97/68EC Stage II regulations

      Safe

      Automatic shutdowns for overspeed, high fresh water temperature, low engine oil pressure, and high exhaust temperature (when fitted with a wet exhaust system).

      Flexible

      Available as an open set or with sound attenuated enclosure, and with radiator-, heat exchanger-, or keel-cooled options

      Excellent power quality

      Suitable for sophisticated on-board equipment (computers, etc.)

      Single source of supply for propulsion and generator sets

      Reduced service costs and port time

      specifications

      Generator Set Specifications
      Minimum Rating 36.0R ekW (45 kVA)
      Maximum Rating 99.0 ekW (123 kVA)
      Frequency 50 Hz or 60 Hz
      Speed 1500 rpm or 1800 rpm
      Emissions/Fuel Strategy EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)
      Engine Specifications
      Engine Model In-line 4, 4-Stroke-Cycle Diesel
      Aspiration NA, T, TA
      Bore 105.0 mm
      Stroke 127.0 mm
      Displacement 4.4 l
      Governor Type Electronic
      Generator Set Dimensions
      Length 1750.0 mm
      Width 1215.0 mm
      Height 1000.0 mm
      Weight 805 kg (1775 lb) - 1015 kg (2338 lb)
      Generator Specifications
      Excitation Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
      Pitch 2/3
      Number of Leads 12 lead reconnectable
      Insulation Class H
      IP Rating IP23 water protection (IP44 available for certain models, contact your dealer for information)
      Voltage Regulator Solid state voltage regulator with integral voltage adjustment potentiometer

      Standard Equipment

      Air Inlet System
      • Air cleaner, single element canister type w/ service indicator and rain cap
      • Dry insulated turbocharger (DIT and DITA models only)
      • Glowplug cold start system
      Cooling 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)
      Exhaust System
      • Dry insulated turbocharger
      • Water-cooled exhaust manifolds
      Fuel System
      • 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
      Generator
      • 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
      Lube System
      • Lubricating oil
      • Oil filter (LH)
      • Dipstick (LH)
      • Fumes disposal (closed system)
      Mounting System
      • Steel base frame with drip pan
      • Anti-vibration mounts
      Starting/Charging System
      • Negative isolated ground electric system
      General
      • Single side service (LH)
      • Keel cooled gensets do not include the keel cooler(s)

      Optional Equipment

      Space heater kit
      • 240V AC, 120V AC

      Download resources

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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