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C18 ACERT Tier 3 Recreational

The C18 ACERT 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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      Benefits & 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

      Ratings
      Power Range 1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
      Engine
      Speed Range 2300 rpm
      Emissions EPA Tier 3, IMO II, EU IW
      Aspiration TA,TTA
      Bore 145.0 mm
      Stroke 183.0 mm
      Displacement 18.1 l
      Rotation from Flywheel End Counterclockwise
      Configuration In-line 6, 4-Stroke-Cycle Diesel
      Dimensions & Weights
      Maximum Height 1300.0 mm
      Maximum Dry Weight 47.4 kg
      Maximum Width 1204.0 mm
      Maximum Length 1931.0 mm
      Minimum Length 1854.0 mm
      Minimum Dry Weight 44.6 kg
      Minimum Width 1134.0 mm
      Minimum Height 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
      • Crankshaft pulley, 292 mm (11.5 in) two groove, 15.88 mm (0.63 in) width
      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
      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

      Download resources

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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