Cat C18 Auxiliary/Generator Set Engine (IMO II)

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.

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Minimum Rating404BHP

Maximum Rating660BHP

AspirationTA, TTA

Rotation from Flywheel EndCounterclockwise

Bore5.7in

Displacement1106in³

ConfigurationIn-Line 6, 4-Stroke-Cycle Diesel

Stroke7.2in

Height51.2in

Length73in

Width44.6in

Dry Weight1950lb

Standard

Separate circuit after-cooled (SCAC)

Open Crankcase Ventilation (OCV) system

Turbocharger, jacket water cooled

Turbocharger inlet, 152 mm (6 in) OD straight connection

Optional

Air Inlet Adapter

Standard

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

Optional

MECP I - Marine Engine Control Panel

Caterpillar Alarm and Protection

Load Sharing Attachment

Standard

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

Optional

Aux Expansion Tank Flange Kit

Standard

152 mm (6 in) round flanged outlet

Water-cooled exhaust manifold & turbocharger

Optional

Dry Elbows

Water-Cooled Elbows

Flexible Fitting

Flange

Muffler

Muffler Spark Arresting

Standard

Flywheel Housing, SAE No. 0

Flywheel, 18 inch, 136 teeth

SAE standard rotation

Standard

Front service simplex fuel system

Fuel transfer pump, gear driven

Manual fuel priming pump

Hybrid fuel line design

Optional

Duplex Fuel Filters

Fuel Cooler

Primary Fuel Filters

Flexible Fuel Lines

Standard

Front service simplex oil system

Center sump oil pan:

Front and top service oil filler locations

Front service dipstick

Oil pump, gear driven

Optional

Duplex Oil Filters

Sump Pump

Standard

Front support - adjustable

Optional

Front Support

REAR ENGINE SUPPORT

Standard

Hydraulic Pump Drive

Crankshaft Pulleys

Front Stub Shaft

Front Enclosed Clutch

Optional

Crankshaft Pulleys

Front Stub Shaft

Hydraulic Pump Drive Adapter

Front Enclosed Clutch

Standard

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

Battery Chargers

Charging Alternators

Alternator Mounting Group

Ammeter

Optional

Instrument Panels

OEM Wiring Harness

Gauges

Oil Level Sensor

Optional

Marine Classification Society and SOLAS

Optional

Electric Starting Motors - Single 24 Volt

Air Starting Motor

Air Start Accessories

Starting Aids - JW Heaters

Battery Sets - 24 Volt - Dry

Optional

Engine Protective Cover

Storage Preservation

Export Packing

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