C18

Cat C18 High Performance Propulsion Engine - Recreational

C18 ACERT Tier 3 Recreational
Power Range
803 - 1136 bhp, 599 - 847 bkW
Speed Range
2300 rpm
Emissions
EPA Tier 3, IMO II
The C18 marine propulsion engine has ratings for recreational applications that meet U.S. EPA Tier 3, IMO II, and EU Stage IIIA Regulations. This marine engine incorporates the latest core engine system innovations to provide maximum benefits in power density, performance, emissions, and fuel efficiency. Not only is it equipped with engine monitoring and protection features, it is also compatible with Cat display and vessel control systems. With this engine comes the unmatched worldwide marine support network including Cat dealers and hundreds of authorized marine dealers. Their combined experience and expertise, products and services, backup and support allow your recreational pleasure craft to remain precisely that — a pleasure.
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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
Ratings
Power Range803 - 1136 bhp, 599 - 847 bkW
Engine
Speed Range2300 rpm
EmissionsEPA Tier 3, IMO II
AspirationTA,TTA
Bore5.7in
Stroke7.2in
Displacement1106.0in³
Rotation from Flywheel EndCounterclockwise
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Dimensions & Weights
Maximum Height51.2in
Maximum Dry Weight4299.0lb
Maximum Width47.4in
Maximum Length76.0in
Minimum Length73.0in
Minimum Dry Weight4000.0lb
Minimum Width44.6in
Minimum Height47.2in
Standard Equipment

AIR INLET SYSTEM

  • Aftercooler - sea water, corrosion resistant
  • Air cleaner/fumes disposal (closed system)
  • Turbocharger, jacket water cooled
  • Front-down and rear-down aftercooler condensate drains

CONTROL SYSTEM

  • Electronic diagnostics and fault logging
  • Cold mode start strategy
  • Engine and transmission monitoring (speed, temperature, pressure)
  • Electronic fuel/air ratio control
  • 70-pin customer connector
  • Engine Protection Mode for High Ambient Conditions
  • Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA +/-)

COOLING SYSTEM

  • Sea water pump, rubber impeller, self-priming, gear driven
  • Sea water aftercooled
  • Jacket water pump, gear driven
  • JW Heat Exchanger - Titanium plate with integral fuel cooler expansion tank, and thermostat housing (fully open temp 92C)
  • Coolant recovery system

EXHAUST SYSTEM

  • Water-cooled exhaust manifold & turbocharger
  • 114.3 mm (4.5 in) ID round flanged exhaust outlet

FLYWHEELS & FLYWHEEL HOUSINGS

  • Flywheel Housing, SAE No. 1
  • Flywheel, 18 inch, 113 teeth
  • SAE standard rotation

FUEL SYSTEM

  • Fuel filter, RH service on Port, LH service on Starboard
  • Fuel transfer pump
  • Fuel priming pump
  • Hybrid fuel line design

LUBE SYSTEM

  • Crankcase breather
  • Oil cooler
  • Oil filter, spin-on, low profile, RH service on Port, LH service on
  • Oil pan, center sump
  • Dipstick, RH service on Port, LH service on Starboard
  • Oil pump, gear driven

POWER TAKE-OFFS

  • Hydraulic pump drive, SAE A, 11-tooth spline, 46 ft-lbs max torque, counterclockwise as viewed from the front of the engine with 1.41 x engine speed

PROTECTION SYSTEM

  • A4 ECM Electronic Engine Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions

GENERAL

  • Front damper guard
  • Lifting eyes
  • RH or LH service options
  • Upper rear-facing customer wiring connector and Service Tool connection
Optional Equipment

CHARGING SYSTEM

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

FUEL SYSTEM

  • Primary Fuel Filter / Water Separator
  • Primary Fuel Filter

LUBE SYSTEM

  • Transmission Oil Cooler

POWER TAKE-OFFS

  • Crankshaft Pulleys

STARTING SYSTEM

  • Electric Starting Motor - Single 24 Volt
  • Battery Sets - 24 Volt - Dry

CONTROL SYSTEM

  • MECP I

INSTRUMENTATION

  • OEM Wiring Harness
  • Engine to Engine Harness
  • Instrument Panels
  • Transmission Sensors