C18

Cat C18 Auxiliary/Generator Set Engine

THE RUNDOWN

Separate circuit aftercooling system
The primary advantage of the separate circuit aftercooling system (SCAC) is that no sea water circulates through the aftercooler
Emissions
EPA Tier 3 compliant, IMO II and EU IWW compliant
Cooling system
Heat exchanger and Keel cooled options for all ratings
Turbo Configurations
Single turbo configurations for all ratings
Competitive size and weight
Marine Certifications
All major MCS type approvals available from factory
Power Rating
Power Range404 - 803 hp
Minimum Rating404.0BHP
Maximum Rating803.0BHP
Generator Set Specifications
Frequency50 / 60
Engine Specifications
EmissionsIMO II/III, EPA T 3, EU IWW, EU Stage V, China II
AspirationTA, TTA
Bore5.7in
Displacement1106.0in³
ConfigurationIn-Line 6, 4-Stroke-Cycle Diesel
Stroke7.2in
Rotation from Flywheel EndCounterclockwise
Dimensions & Weights
Length73.0in
Height51.2in
Dry Weight1950.0lb
Width44.6in
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

  • 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)
  • Programmable ECM Shutdowns for: High Jacket Water Coolant Temp Low Engine Oil Pressure Engine Overspeed

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, 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

EXHAUST SYSTEM

  • 152 mm (6 in) round flanged outlet
  • Water-cooled exhaust manifold & turbocharger

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

LUBE SYSTEM

  • Front service simplex oil system
  • Center sump oil pan: Deep 500 hour oil change interval, Shallow 250 hour oil change interval
  • Front and top service oil filler locations
  • Front service dipstick
  • Oil pump, gear driven

MOUNTING SYSTEM

  • Front support - adjustable

POWER TAKE-OFFS

  • Poly-V groove for alternator drive

GENERAL

  • 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

EXHAUST SYSTEM

  • Dry Elbows
  • Water-Cooled Elbows
  • Flexible Fitting
  • Flange
  • Muffler
  • Muffler Spark Arresting

AIR INLET SYSTEM

  • Air Inlet Adapter

CHARGING SYSTEM

  • Battery Chargers
  • Charging Alternators 24 Volt 70/105 AMP
  • Alternator Mounting Group
  • Ammeter

CONTROL SYSTEM

  • MECP I - Marine Engine Control Panel
  • Caterpillar Alarm and Protection
  • Load Sharing Attachment

COOLING SYSTEM

  • Aux Expansion Flange Kit

FUEL SYSTEM

  • Duplex Fuel Filters
  • Fuel Cooler
  • Fuel Water Separator
  • Flexible Fuel Lines

INSTRUMENTATION

  • Instrument Panels
  • OEM Wiring Harness
  • Exhaust Temp Sensor
  • Oil Level Sensor

LUBE SYSTEM

  • Duplex Oil Filters
  • Sump Pump

POWER TAKE-OFFS

  • Crankshaft Pulleys
  • Front Stub Shaft
  • Hydraulic Pump Drive Adapter
  • Front Enclosed Clutch

PROTECTION SYSTEM

  • Marine Classification Society and SOLAS

STARTING SYSTEM

  • Electric Starting Motor - Single 24 Volt
  • Air Starting Motor
  • Air Start Accessories
  • Starting Aids - JW Heaters 120/240V
  • Battery Sets - 24 Volt - Dry

MOUNTING SYSTEM

  • Front Support
  • Rear Support

PACKING

  • Engine Protective Cover
  • Storage Preservation
  • Export Packing