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New Marine Power Systems

C4.4 ACERT

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C4.4 ACERT Standard 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).

C4.4 ACERT 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

Select Units

Overview

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.

Generator Set Specifications

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

Engine Specifications

  • Aspiration TA TA
  • Bore 4.13 in 105.0 mm
  • Stroke 5.0 in 127.0 mm
  • Displacement 269.0 in³ 4.4 l
  • Governor Type Electronic Electronic
  • Engine Model I-4, 4-Stroke-Cycle-Diesel I-4, 4-Stroke-Cycle-Diesel

Generator Set Configurations

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

Generator Set Dimensions

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

Generator Specifications

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

Noise Reduction

New block for low noise and vibrations, Insulated timing case cover, Isolated oil pan (also provides ease of maintenance), Improved pump and gear train system, Stiffer crankshaft, Multiple fuel injection strategy, 4 valve cross flow head, Double curvature on thick walled crankcase, Piston optimized for high speed operation

Hydraulic Tappets

Hydraulic tappet adjustment removes the need for manual tappet adjustment, that on the 1006 (C6.6) needed to happen every 500 hours. This system is operated by oil pressure, and this saves the customers a considerable amount of cost from an Operating perspective.

Improved Smoke Levels

Improved smoke levels from C4.4 mechanical engine

Serpentine belts to achieve longer service intervals

These belts are more efficient, as they provide more drive surface. Less heating is created during running, and the belt will also last longer. The poly V belt cannot twist over like a single V belt, and any wear of the poly V belt becomes apparent a long time before failure.

Integrated Base Frame

Suitable for wide range of auxiliary accessories

Gear Driven water pumps

Lower servicing costs, reduced down time

Water-cooled turbo

Suitable for “gas tight” applications

Tailored Technology

Meets customer requirements in: voltage, cooling, twin pocket fly wheel housing, and factory options for starting

Caterpillar package

Fully packaged generator set

Advanced fuel and combustion system with 4 valves per cylinder

Lube System

Oil system holds 11L (2.8 gal), 500-hour oil change interval, Max continuous operation angle is 25⁰ (any direction), Max intermittent operation angle 30⁰ (any direction), Simplex and Duplex oil filters options available

Design Features

Control panel standard on LHS with single leg box, Control panel location interchangeable between 3 positions available as option

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