Propulsion engines
C18
The C18 ACERT marine propulsion engine has commercial application ratings of 454 - 803 bhp at 1800 - 2100 rpm that meet U.S. EPA Tier 3, IMO II, EU IWW, and China II 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.
| Power Range | 454 - 1136 bhp (339 - 847 bkW) |
|---|
| Speed Range | 1500 - 2100 rpm |
|---|---|
| Emissions | U.S. EPA Tier 3 Commercial, IMO II, EU IWW, EU Stage V, China II |
| Aspiration | Turbocharged - Aftercooled |
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1106.0 in³ |
| Rotation from Flywheel End | Counterclockwise |
| Oil Change Interval | 250 / 500 |
| Refill Capacity | 49 / 68 l |
| Configuration | In-line 6, 4-Stroke-Cycle Diesel |
| Cooling | Heat Exchanger or Keel Cooled |
| Governor | Electroinc |
| Flywheel Housing | SAE No. 0 (136 teeth) or SAE No. 1 (113 teeth) |
| Minimum Dry Weight | 4000.0 lb |
|---|---|
| Minimum Length | 73.0 in |
| Minimum Height | 47.2 in |
| Maximum Height | 51.2 in |
| Minimum Width | 44.6 in |
| Maximum Width | 47.4 in |
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
- Air Start Accessories
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
- SAE No. 0, Flywheel SAE. 18, 136 teeth
- 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: Deep 500 hour oil change interval, Shallow 250 hour oil change interval
- 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
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 control
- Engine Protection Mode for extended ambient conditions - EPA Tier 3 Ratings Only
- 70-pin customer connector
- Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA +/-
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Download ↓C18 Marine Commercial Prop Engine Spec Sheet (339 bkW - 847 bkW)
Need installed dimensions with enclosure and tank? See Model Configurations