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Marine Generator Sets:

Cat® C4.4 Marine Generator Set

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C4.4 Genset Marine Generator Sets
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

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.

Product Specs

  • 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
    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)

  • Generator Set Configurations

    • 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
    4.13in
    Stroke
    5.0in
    Displacement
    269.0in3
    Governor Type
    Electronic
    Engine Model
    In-line 4, 4-Stroke-Cycle Diesel
    Aspiration
    NA, T, TA
    Bore
    4.13in
    Stroke
    5in
    Displacement
    269in³
    Governor Type
    Electronic

  • Generator Set Dimensions

    • Length
    68.9in
    Width
    47.8in
    Height
    39.4in
    Weight
    805 kg (1775 lb) - 1015 kg (2338 lb)
    Length
    68.9in
    Width
    47.8in
    Height
    39.4in
    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

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)
  • Space Heater Kit
    • 240V AC, 120V AC

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