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The C18 ACERT marine propulsion engine has commercial application ratings of 475-725 mhp (469-715 bhp) at 1800-2100 rpm that meet U.S. EPA Tier 3, IMO II, and EU IW emissions regulations. In addition to meeting the stricter EPA Tier 3 emissions, this engine now offers a fresh water aftercooled option for the commercial propulsion and auxiliary engines and genset packages. From fishing to offshore and everything in between, you can be confident that we have the solution to fit your needs.
Request a QuotePower Range469-1001 bhp (350-747 bkW)
Speed Range1800-2300 rpm
EmissionsEPA Tier 3 Commercial, IMO II, EU IW
AspirationTA, TTA
Bore5.7in
Stroke7.2in
Displacement1106in³
Rotation from Flywheel EndCounterclockwise
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Minimum Dry Weight4000lb
Minimum Length73in
Maximum Length76in
Minimum Height47.2in
Maximum Height51.2in
Minimum Width44.6in
Maximum Width47.4in
Standard
Separate circuit after-cooled (SCAC)
Open Crankcase Ventilation (OCV) system
Turbocharger, jacket water cooled
Turbocharger inlet, 152 mm (6 in) OD straight connection
Optional
Air Inlet Adapter
Standard
Separate Circuit After-Cooling (SCAC) for both HEX and Keel cooled engines
Engine JW and SCAC Shell & Tube Heat Exchangers for HEX cooled engines
SCAC pump, gear driven, for HEX cooled engines only
Jacket water pump, gear driven
Sea water pump, bronze impeller, gear driven
SCAC and JW shunt tanks for maintaining proper pump inlet pressures
Optional
AUX EXPANSION TANK FLANGE KIT
Standard
Water-cooled exhaust manifold & turbocharger
152 mm (6 in) round flanged outlet
Optional
Dry Elbows
Water-Cooled Elbows
Flexible Fitting
Flange
Muffler
Muffler Spark Arresting
Standard
Flywheel Housing, SAE No. 0
Flywheel, 18 inch, 136 teeth
SAE standard rotation
SAE No. 1, Flywheel: 14 inch, 113 teeth
Standard
Front service simplex fuel system
Fuel transfer pump, gear driven
Manual fuel priming pump
Hybrid fuel line design
Optional
Duplex Fuel Filters
Flexible Fuel Lines
Fuel Cooler
Primary Fuel Filters
Standard
Front service simplex oil system
Center sump oil pan:
Front and top service oil filler locations
Front service dipstick
Oil pump, gear driven
Optional
Duplex Oil Filters
Transmission Oil Cooler
Sump Pump
Standard
Front support - adjustable
Optional
Vibration Isolators
Front Support
Rear Support
Standard
Poly-V groove for alternator drive
NOTE: There are no standard power take-offs available
Optional
NOTE: PTO OPTIONS REQUIRE TORSIONAL VIBRATION ANALYSIS
Crankshaft Pulleys
Front Stub Shaft
Hydraulic Pump Drive Adapter
Front Enclosed Clutch
Standard
Front damper guard
Front service engine
Common electrical bonding point
Engine does not ship with zinc components
Engine is certified to D2/E2 emissions cycles
CERTIFIED TO EU STAGE IIIA AND CCNR STAGE II (E3 CYCLE) EMISSIONS STANDARDS.
Standard
Programmable low idle
WOSR (Wide Operating Speed Range) available for EPA Tier 3 - B and C Ratings
Adjustable High Idle (TEL) - EPA Tier 3 WOSR Ratings Only
Electronic diagnostics and fault logging
Engine and transmission monitoring (speed, temperature, pressure)
Electronic fuel/air ratio contro
Engine Protection Mode for extended ambient conditions - EPA Tier 3 Ratings Only
Torque Limiting functionality for WOSR ratings only
70-pin customer connector
Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA +/-
Optional
MECP I
CATERPILLAR ALARM AND PROTECTION
Optional
Battery Chargers
Charging Alternators
Alternator Mounting Group
Ammeter
Optional
Instrument Panels
OEM Wiring Harness
Engine to Engine Harness
Gauges
Transmission Sensors
Oil Level Sensor
Optional
Marine Classification Society and SOLAS
Marine Classification Society and Fire Resistance
Optional
STARTING SYSTEM Electric Starting Motors - Single 24 Volt
Air Starting Motor
Air Start Accessories
Starting Aids - JW Heaters
Battery Sets - 24 Volt - Dry
Optional
Engine Protective Cover
Storage Preservation
Export Packing
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