C18 ACERT Tier 3

Bore
5.7 in / 145 mm
Stroke
7.2 in / 183 mm
Length
119.7 in / 3040 mm

C18 ACERT generator sets incorporate a separate circuit aftercooling system (SCAC) for all configurations. The primary advantage of the SCAC systsem is reduced aftercooler corrosion since no sea water circulates through the aftercooler. Many other improvements on these engines contribute to minimizing owning and operating costs. The EPA Tier 3, IMO II, EU Stage IIIA compliant ratings are available with heat exchanger, keel cooled, or radiator cooling options. All major MCS type approvals available from factory.

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C18 ACERT SCAC Tier 3 Marine Generator Set (425, 550 kW) Spec Sheet
Generator Set Specifications
Minimum Rating 400 ekW (500 kVA)
Maximum Rating 550 ekW (688 kVA)
Frequency 60 hz
Speed 1800 rpm
Emissions/Fuel Strategy EPA Tier 3, IMO II, EU IW
Engine Specifications
Aspiration Watercooled exhaust manifold and turbocharger
Bore 5.7 in / 145 mm
Stroke 7.2 in / 183 mm
Fuel System MEUI
Engine Model In-line 6, 4-Stroke-Cycle Diesel
Generator Set Dimensions
Length 119.7 in / 3040 mm
Width 60.9 in / 1547 mm
Height 66.3 in / 1684 mm
Weight - Estimated 4406 lb / 9713 kg
Generator Specifications
Excitation SR4BPermanent Magnet
Number of Leads 12
Insulation Class H
IP Rating IP23
Voltage Regulator CDVR (Digital Voltage)

Standard Equipment

  • AIR INLET SYSTEM
    • Separate circuit after-cooled (SCAC)
    • Open Crankcase Ventilation (OCV) system
    • Turbocharger, jacket water cooled
    • Turbocharger inlet, 152 mm (6 in) OD straight connection
  • CONTROL SYSTEM
    • If an EMCP panel or MGCP option is not chosen as optional equipment, then start/stop controls must be provided by the customer
    • Programmable low idle
    • Electronic diagnostics and fault logging
    • Engine Protection Mode for extended ambient conditions - EPA Tier 3 Ratings Only
    • Electronic fuel/air ratio control
  • COOLING SYSTEM
    • Separate Circuit After-Cooling (SCAC) for both HEX and Keel cooled engines
    • Engine JW and SCAC Shell & Tube Heat Exchangers for HEX cooled engines
    • SCAC pump, gear driven
    • Jacket water pump, gear driven
    • Auxiliary water pump, bronze impeller, gear driven, for HEX cooled engines only
    • SCAC and JW shunt tanks for maintaining proper pump inlet pressures
  • EXHAUST SYSTEM
    • Water-cooled exhaust manifold & turbocharger
    • 152 mm (6 in) round flanged outlet
  • FLYWHEELS & FLYWHEEL HOUSINGS
    • Flywheel Housing, SAE No. 0
    • Flywheel, 18 inch, 136 teeth
    • SAE standard rotation
  • FUEL SYSTEM
    • Front service simplex fuel system
    • Fuel transfer pump, gear driven
    • Manual fuel priming pump
    • Hybrid fuel line design
  • GENERATORS AND GENERATOR ATTACHMENTS
    • SR4B Random Wound
    • Permanent Magnet Excitation
    • 12 leads
    • Generator set package includes Caterpillar's Digital Voltage Regulator (CDVR)
    • Marine Class H insulation, Class F temperature rise
    • Surface mount platinum bearing and stator RTD's
    • Anti-condensation space heaters (120/240VAC, 300W, 2 elements)
    • Generator IP23 protection
    • Coastal insulation protection
  • LUBE SYSTEM
    • Front service simplex oil system
    • Center sump oil pan: Deep, 500hr oil change interval
    • Front and top service oil filler locations
    • Front service dipstick
    • Oil pump, gear driven
  • MOUNTING SYSTEM
    • Formed C-channel rails, 254mm (10.0in) height
    • Four shipped loose isolators for installation below package base
  • POWER TAKE-OFFS
    • Poly-V groove for alternator drive
    • NOTE: There are no standard power take-offs available
  • GENERAL
    • Front damper guard
    • Front service engine
    • Common electrical bonding point on HEX and KEEL cooled engines
    • Engine does not ship with zinc components
    • Engine is certified to D2/E2 emissions cycles
    • CERTIFIED TO 2013 EPA TIER 3 AND IMO II MARINE COMMERCIAL AUXILIARY (D2/E2 CYCLE) EMISSIONS STANDARDS.
    • NOTE: These engines are for constant speed generator set applications only, and NOT to be used for variable speed applications.

Optional Equipment

  • EXHAUST SYSTEM
    • Dry Elbows
    • Water-Cooled Elbows
    • Flexible Fitting
    • Flange
    • Muffler
    • Muffler Spark Arresting
    • Rain Cap
  • AIR INLET SYSTEM
    • Air Inlet Adapter
  • CHARGING SYSTEM
    • Battery Chargers
    • Charging Alternators
    • Alternator Mounting Group
  • CONTROL SYSTEM
    • Load Sharing Attachment
  • COOLING SYSTEM
    • AUX EXPANSION TANK FLANGE KIT
  • FUEL SYSTEM
    • Duplex Fuel Filters
    • Flexible Fuel Lines
    • Fuel Cooler
    • Primary Fuel Filters
  • GENERATORS AND GENERATOR ATTACHMENTS
    • Low Voltage Connections
  • LUBE SYSTEM
    • Duplex Oil Filters
    • Sump Pump
  • POWER TAKE-OFFS
    • NOTE: PTO OPTIONS REQUIRE TORSIONAL VIBRATION ANALYSIS
    • Crankshaft Pulleys
    • Front Stub Shaft
  • PROTECTION SYSTEM
    • Marine Classification Society and SOLAS
  • STARTING SYSTEM
    • Air Starting Motor
    • Electric Starting Motors - Single 24 Volt
    • Air Start Accessories
    • Starting Aids - JW Heaters
    • Battery Sets - 24 Volt - Dry
  • PACKING
    • Export Packing
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