New CAT Equipment

Cat C18 ACERT High Performance Propulsion Engine (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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    • Dimensions & Weights
      Maximum Dry Weight
      4299 lb
      Maximum Height
      51.2 in
      Maximum Length
      76 in
      Maximum Width
      47.4 in
      Minimum Dry Weight
      4000 lb
      Minimum Height
      47.2 in
      Minimum Length
      73 in
      Minimum Width
      44.6 in
    • Engine
      Aspiration
      TA,TTA
      Bore
      5.7 in
      Configuration
      In-line 6, 4-Stroke-Cycle Diesel
      Displacement
      1106 in³
      Emissions
      EPA Tier 3, IMO II, EU IW
      Rotation from Flywheel End
      Counterclockwise
      Speed Range
      2300 rpm
      Stroke
      7.2 in
    • Ratings
      Power Range
      1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
    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
    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

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