Cat C18 Auxiliary/Generator Set Engine (IMO II)
C18 auxiliary/generator set engines 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 also contribute to minimizing owning and operating costs. The IMO II compliant ratings are available with heat exchanger or keel cooled options. All major MCS type approvals are available from the factory.
Power Rating
Power Range
Minimum Rating
Maximum Rating
Engine Specifications
Aspiration
Displacement
Configuration
Stroke
Rotation from Flywheel End
Bore
Dimensions & Weights
Height
Length
Width
Dry Weight
Standard Equipment:
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- Air Inlet System
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- Separate circuit after-cooled (SCAC)
- Open Crankcase Ventilation (OCV) system
- Turbocharger, jacket water cooled
- Turbocharger inlet, 152 mm (6 in) OD straight connection
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- Control System
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- Programmable low idle
- Electronic diagnostics and fault logging
- Electronic fuel/air ratio control
- Engine Protection Mode for extended ambient conditions - EPA Tier 3 Ratings Only
- 70-pin customer connector
- Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA
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- Cooling System
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- 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, for HEX cooled engines only
- Jacket water pump, gear driven
- Auxiliary water pump, gear driven
- Sea water pump, bronze impeller, gear driven
- SCAC and JW shunt tanks for maintaining proper pump inlet pressures
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- Exhaust System
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- 152 mm (6 in) round flanged outlet
- Water-cooled exhaust manifold & turbocharger
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- Flywheels & Flywheel Housings
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- Flywheel Housing, SAE No. 0
- Flywheel, 18 inch, 136 teeth
- SAE standard rotation
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- Fuel System
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- Front service simplex fuel system
- Fuel transfer pump, gear driven
- Manual fuel priming pump
- Hybrid fuel line design
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- Lube System
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- Front service simplex oil system
- Center sump oil pan:
- Front and top service oil filler locations
- Front service dipstick
- Oil pump, gear driven
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- Mounting System
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- Front support - adjustable
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- Power Take-offs
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- Hydraulic Pump Drive
- Crankshaft Pulleys
- Front Stub Shaft
- Front Enclosed Clutch
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- General
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- Front damper guard
- Front service engine
- Common electrical bonding point
- Engine does not ship with zinc components
- NOTE: These engines are for constant speed generator set applications only, and NOT to be used for variable speed applications
Optional Equipment:
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- Exhaust System
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- Dry Elbows
- Water-Cooled Elbows
- Flexible Fitting
- Flange
- Muffler
- Muffler Spark Arresting
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- Air Inlet System
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- Air Inlet Adapter
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- Charging System
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- Battery Chargers
- Charging Alternators
- Alternator Mounting Group
- Ammeter
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- Control System
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- MECP I - Marine Engine Control Panel
- Caterpillar Alarm and Protection
- Load Sharing Attachment
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- Cooling System
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- Aux Expansion Tank Flange Kit
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- Fuel System
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- Duplex Fuel Filters
- Fuel Cooler
- Primary Fuel Filters
- Flexible Fuel Lines
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- Instrumentation
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- Instrument Panels
- OEM Wiring Harness
- Gauges
- Oil Level Sensor
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- Lube System
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- Duplex Oil Filters
- Sump Pump
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- Power Take-offs
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- Crankshaft Pulleys
- Front Stub Shaft
- Hydraulic Pump Drive Adapter
- Front Enclosed Clutch
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- Protection System
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- Marine Classification Society and SOLAS
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- Starting System
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- Electric Starting Motors - Single 24 Volt
- Air Starting Motor
- Air Start Accessories
- Starting Aids - JW Heaters
- Battery Sets - 24 Volt - Dry
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- Mounting System
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- Front Support
- REAR ENGINE SUPPORT
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- Packing
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- Engine Protective Cover
- Storage Preservation
- Export Packing
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