Cat® C4.4 ACERT Marine Generator Set

C4.4 ACERT Marine Generator Set

Cat® C4.4 ACERT Marine Generator Set

The C4.4 ACERT marine genset packages with heat exchanger or keel cooling are available with 60 Hz ratings of 60, 75, 99, 118 ekW and 50 Hz ratings of 65, 80, 99 ekW. Radiator cooled gen sets are with 60 Hz ratings of 51, 66, 90, and 105 ekW and 50 Hz ratings of 58, 73, and 88 ekW. The C4.4 ACERT meets U.S. EPA Tier 3 and EU CCNR Stage II emissions regulations. The C4.4 ACERT is electronically controlled with a Common Rail fuel system.

Product Specs

Generator Set Configurations

Emissions/Fuel Strategy
U.S. EPA Tier 3 / CCNR Stage 2

Engine Specifications

Engine Model
I-4, 4-Stroke-Cycle-Diesel
Governor Type
Electronic
Displacement
269in³
Stroke
5in
Bore
4.13in
Aspiration
TA

Generator Set Specifications

Speed
1500 rpm or 1800 rpm
Frequency
50 Hz or 60 Hz
Maximum Rating
88R ekW (50 Hz), 105R ekW (60 Hz)
Minimum Rating
58R ekW (50 Hz), 51R ekW (60 Hz)

Generator Specifications

Excitation
AREP
Pitch
2/3
Number of Leads
12-lead reconnectable
Insulation
Class H
IP Rating
IP23
Voltage Regulator
±0.5%

Generator Set Dimensions

Width
37.6 inches (radiator - 38.8 inches)
Height
2518-2844 lb (1141-1290 kg), 3389R lb (1537R kg)
Length
66.9-69.6 in (1699-1769 mm), 80.2R in (2037R mm)
Weight
2518-2844 lb (1142 - 1290 kg)

Equipment

  • Air Inlet System
    • Open Crankcase Ventilation (OCV) system
    • Turbocharger, jacket water cooled
    • Integrated coolant lines into manifold utilizing EGR circuit
  • Cooling System
    • Integrated heat exchanger and aftercooler
    • Compact design integral coolant passages
    • Thermostat and housing
    • Jacket Water Heater 120/240V option
    • Auxiliary seawater pump, gear driven
    • Engine mounted heat exchanger, removable tubeBundle (for sea water) (heat exchanger engines only)
    • Engine oil cooler
    • Auxiliary sea water lines
    • Keel cooling
  • Exhaust System
    • Dry insulated turbocharger
    • Water-cooled exhaust manifolds
    • 102 mm (4 in) round flanged outlet
    • Dry Elbow/Bellows/Flange options
  • Fuel System
    • Common Rail Fuel System
    • Simplex and Duplex Fuel options
    • Flexible fuel line option
    • Fuel transfer pump, gear driven
  • 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
    • Class H insulation
    • Generator winding temperature rise meets marine society requirements.
  • Governing System
    • Electronic governor
    • Electronic
  • Lube System
    • Lubricating oil
    • Oil filter, RH Service
    • Simplex and Duplex options
    • Crankcase breather
    • Oil filler, in valve cover and timing case (option)
    • Oil level gauge, RH service
    • Oil pan
    • Oil pan drain, RH
    • Engine oil pump (gear driven)
  • Mounting System
    • Formed C-channel rails
    • Anti vibration isolators between base and engine-generator
  • Control System
    • Panels available in RH, LH, and rear configurations with a remote mount option
    • Electronic diagnostics and fault logging
    • Electronic governor
    • Electronic Control Module (ECM)
    • SAE J1939 data link Ratings Only
    • Electronic fuel/air ratio control
  • Flywheels & Flywheel Housings
    • Flywheel Housing, SAE No. 3
    • Flywheel, 126 teeth
    • SAE standard rotation
  • Power Take-offs
    • Multi-V groove for alternator drive
    • PTO Shaft Kit (optional)
  • General
    • Single side service (LH)
    • Keel cooled gensets do not include the keel cooler(s)
    • Lifting eyes
    • Protective lifting covers
    • Battery disconnect switch
    • Note: Keel-cooled gen sets do not include the keel cooler(s).

Optional Equipment

  • Power Take-offs
    • Crankshaft Pulley - Crankshaft PTO Shaft, Engine Turning Device
  • Special Tests/reports
    • Test Certificate at Rated PWR
  • Generators And Generator Attachments
    • 110V Anti-Condensation Heater
    • 230V Anti-Condensation Heater
  • Exhaust System
    • Dry Elbow
    • Dry Flange
    • Dry Elbow and Bellows

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