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.
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Power Rating
- Power Range
- 469-1,001 bhp (350-747 bkW)
Engine Specifications
- Speed Range
- 1,800-2,300 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IW
- Aspiration
- TA, TTA
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1,106 in³
- Rotation from Flywheel End
- Counterclockwise
- Configuration
- In-line 6, 4-Stroke-Cycle Diesel
Dimensions & Weights
- Minimum Dry Weight
- 4,000 lb
- Minimum Length
- 73 in
- Maximum Length
- 76 in
- Minimum Height
- 47.2 in
- Maximum Height
- 51.2 in
- Minimum Width
- 44.6 in
- Maximum Width
- 47.4 in
Standard Equipment:
-
- Air Inlet System
-
- Separate circuit after-cooled (SCAC)
- Open Crankcase Ventilation (OCV) system
- Turbocharger, jacket water cooled
- Turbocharger inlet, 152 mm (6 in) OD straight connection
-
- Cooling System
-
- 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
-
- Exhaust System
-
- Water-cooled exhaust manifold & turbocharger
- 152 mm (6 in) round flanged outlet
-
- Flywheels & Flywheel Housings
-
- Flywheel Housing, SAE No. 0
- Flywheel, 18 inch, 136 teeth
- SAE standard rotation
- SAE No. 1, Flywheel: 14 inch, 113 teeth
-
- Fuel System
-
- Front service simplex fuel system
- Fuel transfer pump, gear driven
- Manual fuel priming pump
- Hybrid fuel line design
-
- Lube System
-
- Front service simplex oil system
- Center sump oil pan:
- Front and top service oil filler locations
- Front service dipstick
- Oil pump, gear driven
-
- Mounting System
-
- Front support - adjustable
-
- Power Take-offs
-
- Poly-V groove for alternator drive
- NOTE: There are no standard power take-offs available
-
- General
-
- 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.
-
- Control System
-
- 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 Equipment:
-
- Exhaust System
-
- Dry Elbows
- Water-Cooled Elbows
- Flexible Fitting
- Flange
- Muffler
- Muffler Spark Arresting
-
- Air Inlet System
-
- Air Inlet Adapter
-
- Charging System
-
- Battery Chargers
- Charging Alternators
- Alternator Mounting Group
- Ammeter
-
- Control System
-
- MECP I
- CATERPILLAR ALARM AND PROTECTION
-
- Cooling System
-
- AUX EXPANSION TANK FLANGE KIT
-
- Fuel System
-
- Duplex Fuel Filters
- Flexible Fuel Lines
- Fuel Cooler
- Primary Fuel Filters
-
- Instrumentation
-
- Instrument Panels
- OEM Wiring Harness
- Engine to Engine Harness
- Gauges
- Transmission Sensors
- Oil Level Sensor
-
- Lube System
-
- Duplex Oil Filters
- Transmission Oil Cooler
- Sump Pump
-
- Mounting System
-
- Vibration Isolators
- Front Support
- Rear Support
-
- Power Take-offs
-
- NOTE: PTO OPTIONS REQUIRE TORSIONAL VIBRATION ANALYSIS
- Crankshaft Pulleys
- Front Stub Shaft
- Hydraulic Pump Drive Adapter
- Front Enclosed Clutch
-
- Protection System
-
- Marine Classification Society and SOLAS
- Marine Classification Society and Fire Resistance
-
- Starting System
-
- STARTING SYSTEM Electric Starting Motors - Single 24 Volt
- Air Starting Motor
- Air Start Accessories
- Starting Aids - JW Heaters
- Battery Sets - 24 Volt - Dry
-
- Packing
-
- Engine Protective Cover
- Storage Preservation
- Export Packing
Specifications
Power Rating
- Power Range
- 469-1,001 bhp (350-747 bkW)
Engine Specifications
- Speed Range
- 1,800-2,300 rpm
- Emissions
- EPA Tier 3 Commercial, IMO II, EU IW
- Aspiration
- TA, TTA
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1,106 in³
- Rotation from Flywheel End
- Counterclockwise
- Configuration
- In-line 6, 4-Stroke-Cycle Diesel
Dimensions & Weights
- Minimum Dry Weight
- 4,000 lb
- Minimum Length
- 73 in
- Maximum Length
- 76 in
- Minimum Height
- 47.2 in
- Maximum Height
- 51.2 in
- Minimum Width
- 44.6 in
- Maximum Width
- 47.4 in
Standard/Optional Features
Standard Equipment:
-
- Air Inlet System
-
- Separate circuit after-cooled (SCAC)
- Open Crankcase Ventilation (OCV) system
- Turbocharger, jacket water cooled
- Turbocharger inlet, 152 mm (6 in) OD straight connection
-
- Cooling System
-
- 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
-
- Exhaust System
-
- Water-cooled exhaust manifold & turbocharger
- 152 mm (6 in) round flanged outlet
-
- Flywheels & Flywheel Housings
-
- Flywheel Housing, SAE No. 0
- Flywheel, 18 inch, 136 teeth
- SAE standard rotation
- SAE No. 1, Flywheel: 14 inch, 113 teeth
-
- Fuel System
-
- Front service simplex fuel system
- Fuel transfer pump, gear driven
- Manual fuel priming pump
- Hybrid fuel line design
-
- Lube System
-
- Front service simplex oil system
- Center sump oil pan:
- Front and top service oil filler locations
- Front service dipstick
- Oil pump, gear driven
-
- Mounting System
-
- Front support - adjustable
-
- Power Take-offs
-
- Poly-V groove for alternator drive
- NOTE: There are no standard power take-offs available
-
- General
-
- 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.
-
- Control System
-
- 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 Equipment:
-
- Exhaust System
-
- Dry Elbows
- Water-Cooled Elbows
- Flexible Fitting
- Flange
- Muffler
- Muffler Spark Arresting
-
- Air Inlet System
-
- Air Inlet Adapter
-
- Charging System
-
- Battery Chargers
- Charging Alternators
- Alternator Mounting Group
- Ammeter
-
- Control System
-
- MECP I
- CATERPILLAR ALARM AND PROTECTION
-
- Cooling System
-
- AUX EXPANSION TANK FLANGE KIT
-
- Fuel System
-
- Duplex Fuel Filters
- Flexible Fuel Lines
- Fuel Cooler
- Primary Fuel Filters
-
- Instrumentation
-
- Instrument Panels
- OEM Wiring Harness
- Engine to Engine Harness
- Gauges
- Transmission Sensors
- Oil Level Sensor
-
- Lube System
-
- Duplex Oil Filters
- Transmission Oil Cooler
- Sump Pump
-
- Mounting System
-
- Vibration Isolators
- Front Support
- Rear Support
-
- Power Take-offs
-
- NOTE: PTO OPTIONS REQUIRE TORSIONAL VIBRATION ANALYSIS
- Crankshaft Pulleys
- Front Stub Shaft
- Hydraulic Pump Drive Adapter
- Front Enclosed Clutch
-
- Protection System
-
- Marine Classification Society and SOLAS
- Marine Classification Society and Fire Resistance
-
- Starting System
-
- STARTING SYSTEM Electric Starting Motors - Single 24 Volt
- Air Starting Motor
- Air Start Accessories
- Starting Aids - JW Heaters
- Battery Sets - 24 Volt - Dry
-
- Packing
-
- Engine Protective Cover
- Storage Preservation
- Export Packing