Cat C18 ACERT Marine Generator Set (Tier 3)
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.
Minimum Rating400 ekW (500 kVA) Maximum Rating550 ekW (688 kVA) Frequency60 hz Speed1800 rpm EmissionsEPA Tier 3, IMO II, EU IW
Generator Set Specifications
400 ekW (500 kVA)
550 ekW (688 kVA)
Generator Set Configurations
EPA Tier 3, IMO II, EU IW
In-line 6, 4-Stroke-Cycle Diesel
Watercooled exhaust manifold and turbocharger
Number of leads
CDVR (Digital Voltage)
Generator Set Dimensions
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 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.
CATERPILLAR A&P PACKAGE OPTIONS 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 COOLING SYSTEM AUX EXPANSION TANK FLANGE KIT AUX EXPANSION TANK FLANGE KIT FUEL SYSTEM Duplex Fuel Filters Flexible Fuel Lines Fuel Cooler Primary Fuel Filters GENERATORS AND GENERATOR ATTACHMENTS 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 Air Starting Motor Electric Starting Motors - Single 24 Volt Air Start Accessories Starting Aids - JW Heaters Battery Sets - 24 Volt - Dry LITERATURE DECALS PACKING Export Packing
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