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C4.4

Marine Generator Sets

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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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
Availability Contact Dealer
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C4.4
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FEATURES & BENEFITS

Economical

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

Easy to install

Plug and play remote instrument panels Read more

Environmentally responsible

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

Safe

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

Flexible

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

Excellent power quality

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

Single source of supply for propulsion and generator sets

Reduced service costs and port time Read more

SPECIFICATIONS FOR C4.4

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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 mm
Stroke 127 mm
Displacement 4.4 l
Governor Type Electronic
Generator Set Dimensions
Length 1750 mm
Width 1215 mm
Height 1000 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

SELECT MODELS TO COMPARE

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C280-6

Minimum Rating 1760 ekW (2200 kVA)
Maximum Rating 1820 ekW (2275 kVA)
Frequency 50 Hz or 60 Hz
Speed 1000 rpm (50 hz) or 900 rpm (60 hz)
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C32 Tier 3 / IMO II

Minimum Rating 219 ekW
Maximum Rating 940 ekW
Frequency 60hz
Rated Engine Speed 1800 rpm
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C18 ACERT Tier 3

Minimum Rating 400 ekW (500 kVA)
Maximum Rating 550 ekW (688 kVA)
Frequency 60 hz
Speed 1800 rpm
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C7.1 ACERT

Minimum Rating 100 ekW (125 kVA)
Maximum Rating 200 ekW (250 kVA)
Frequency 50 Hz or 60 Hz
Speed 1500 rpm (50 hz) or 1800 rpm (60 hz)
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Minimum Rating 1180 eKW (1475 kVA)
Maximum Rating 1825 eKW (2281 kVA)
Frequency 50 Hz or 60 Hz
Speed 1000 rpm, 1200 rpm, 1500 rpm, 1800 rpm
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C18 ACERT IMO II

Minimum Rating 330 ekW (418 kVA)
Maximum Rating 450 ekW (563 kVA)
Frequency 50 Hz or 60 Hz
Speed 1500 rpm (50 hz) or 1800 rpm (60 hz)
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C18 (SRMP) Marine Generator Set

Minimum Rating 260 ekW (325 kVA)
Maximum Rating 565 ekW (706 kVA)
Frequency 50 hz
Speed 50 Hz - 1500 rpm, 60 Hz - 1800 rpm
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C32 IMO III

Minimum Rating 219 ekW
Maximum Rating 940 ekW
Frequency 60hz
Rated Engine Speed 1500 rpm
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