Cat C4.4

Marine Generator Sets

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About the Cat 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.

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
Engine Specifications
Engine Model In-line 4, 4-Stroke-Cycle Diesel
Aspiration NA, T, TA
Bore 4.13 in
Stroke 5 in
Displacement 269 in³
Governor Type Electronic
Generator Set Configurations
Emissions/Fuel Strategy EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)
Generator Set Dimensions
Length 68.9 in
Width 47.8 in
Height 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

Features

Economical

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

Easy to install

Easy to install
Plug and play remote instrument panels

Environmentally responsible

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

Safe

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

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

Excellent power quality

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

Single source of supply for propulsion and generator sets

Single source of supply for propulsion and generator sets
Reduced service costs and port time

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