Cat® C4.4 Marine Generator Set

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CALCULATE FINANCE

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

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
Engine Specifications
Engine Model In-line 4, 4-Stroke-Cycle Diesel
Aspiration NA, T, TA
Bore 105 mm (4.13 in)
Stroke 127 mm (5 in)
Displacement 4.4 l (269 inu00b3)
Governor Type Electronic
Generator Set Specifications
Emissions/Fuel Strategy EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)
Generator Set Dimensions
Length 1750 mm (68.9 in)
Width 1215 mm (47.8 in)
Height 1000 mm (39.4 in)
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

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