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