Marine Generator Sets
Cat® C4.4 Marine Generator Set
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Minimum Rating36.0R ekW (45 kVA)
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Power Range36.0R - 99 ekW
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Maximum Rating99.0 ekW (123 kVA)
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Frequency50 / 60
Generator Set Specifications
- Minimum Rating
- 36.0R ekW (45 kVA)
- Maximum Rating
- 99.0 ekW (123 kVA)
- Frequency
- 50 / 60
- Frequency
- 50 Hz or 60 Hz
- Speed
- 1500 rpm or 1800 rpm
- Speed
- 1500 / 1800 rpm
- Minimum Rating
- 36.0R ekW (45 kVA)
- Maximum Rating
- 99.0 ekW (123 kVA)
- Emissions
- EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)
Power Rating
- Power Range
- 36.0R - 99 ekW
Generator Set Configurations
- Emissions
- NST
Engine Specifications
- Engine Model
- In-line 4, 4-Stroke-Cycle Diesel
- Engine Model
- In-line 4, 4-Stroke-Cycle Diesel
- Aspiration
- NA, T, TA
- Aspiration
- NA, T, TA
- Bore
- 4.13 in
- Bore
- 4.13 in
- Stroke
- 5.0 in
- Stroke
- 5 in
- Displacement
- 269.0 in3
- Displacement
- 269 in³
- Governor Type
- Electronic
- Governor Type
- Electronic
Generator Set Dimensions
- Length
- 68.9 in
- Length
- 68.9 in
- Width
- 47.8 in
- Width
- 47.8 in
- Height
- 39.4 in
- Height
- 39.4 in
- Weight
- 805 kg (1775 lb) - 1015 kg (2338 lb)
- 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
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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
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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)
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Exhaust System
- Dry insulated turbocharger
- Water-cooled exhaust manifolds
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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
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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
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Lube System
- Lubricating oil
- Oil filter (LH)
- Dipstick (LH)
- Fumes disposal (closed system)
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Mounting System
- Steel base frame with drip pan
- Anti-vibration mounts
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Starting/Charging System
- Negative isolated ground electric system
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General
- Single side service (LH)
- Keel cooled gensets do not include the keel cooler(s)
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Space heater kit
- 240V AC, 120V AC