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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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Generator Set Specifications
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Minimum Rating 36.0R ekW (45 kVA) 36.0R ekW (45 kVA)
Maximum Rating 99.0 ekW (123 kVA) 99.0 ekW (123 kVA)
Frequency 50 Hz or 60 Hz 50 Hz or 60 Hz
Speed 1500 rpm or 1800 rpm 1500 rpm or 1800 rpm
Emissions/Fuel Strategy EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz) EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)

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

C4.4 Standard Equipment

Air Inlet System
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  • Air cleaner, single element canister type w/ service indicator and rain cap
  • Dry insulated turbocharger (DIT and DITA models only)
  • Glowplug cold start system

C4.4 Optional Equipment

Space heater kit
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  • 240V AC, 120V AC