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2025 Caterpillar Marine Generators C4.4 (Electronic)

2025 Caterpillar Marine Generators C4.4 (Electronic)

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  • Year 2025
  • Make Caterpillar
  • Model Marine Generators
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2025 Caterpillar Marine Generators C4.4 (Electronic)

2025 Caterpillar Marine Generators C4.4 (Electronic)

  • Year 2025
  • Manufacturer Caterpillar
  • Model Name Marine Generators
  • Trim Name C4.4 (Electronic)
  • Generic Type (Primary) General
  • Engine Power Range: 58.0R - 118 ekW| Maximum Rating: 99 ekW (123 kVA)
  • Rated Engine Speed 1500/1800 rpm
  • Bore 4.13 in
  • Stroke 5 in
  • Displacement 269 in³
  • Aspiration Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW))
  • Emissions U.S. EPA Tier 3, EU Stage V | Flywheel Housing: SAE No. 03 with SAE 11.5 flywheel (126 teeth)
  • Cooling Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling

2025 Caterpillar Marine Generators C4.4 (Electronic)

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.

Features may include:

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

Engine

Engine Power Range: 58.0R - 118 ekW| Maximum Rating: 99 ekW (123 kVA)
Rated Engine Speed 1500/1800 rpm
Bore 4.13 in
Stroke 5 in
Displacement 269 in³
Aspiration Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW))
Emissions U.S. EPA Tier 3, EU Stage V | Flywheel Housing: SAE No. 03 with SAE 11.5 flywheel (126 teeth)
Cooling Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling

Fuel System

Fuel Type Diesel | Refill Capacity: Lube Oil System w/Oil filter change: 11 L 2.8 gal) | Oil Change Interval: 500 hours

Drivetrain

Governor Electronic (A5 ECM) |Configuration: In-line 4, 4-stroke-cycle diesel

Electric

Electrical Frequency: 50 / 60 | Voltage Regulator: Solid state voltage regulator with integral voltage adjustment potentiometer

Dimensions

Height Maximum: 78.7 in
Length Maximum: 80.2 in
Width Maximum: 38.3 in

Weights

Dry Weight Maximum Engine Dry Weight: 3389 lb

Product Photography

Warning WARNING: Operating, servicing and maintaining a passenger vehicle, an off-highway motor vehicle or a recreational marine vessel can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or vessel in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle or vessel. For more information go to https://www.p65warnings.ca.gov/products/passenger-vehicle and https://www.p65warnings.ca.gov/products/marine.