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.

C18 ACERT Tier 3 Recreational

Features

  • 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

Specifications

Units for specifications

Ratings

Power Range 803 - 1136 bhp, 599 - 847 bkW

Engine

Speed Range 2300 rpm
Emissions EPA Tier 3, IMO II
Aspiration TA,TTA
Bore 5.7 in 145.0 mm
Stroke 7.2 in 183.0 mm
Displacement 1106.0 in³ 18.1 l
Rotation from Flywheel End Counterclockwise
Configuration In-line 6, 4-Stroke-Cycle Diesel

Dimensions & Weights

Maximum Height 51.2 in 1300.0 mm
Maximum Dry Weight 4299.0 lb 47.4 kg
Maximum Width 47.4 in 1204.0 mm
Maximum Length 76.0 in 1931.0 mm
Minimum Length 73.0 in 1854.0 mm
Minimum Dry Weight 4000.0 lb 44.6 kg
Minimum Width 44.6 in 1134.0 mm
Minimum Height 47.2 in 1198.0 mm

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
C18 ACERT Tier 3 Recreational

Documents