C18

SPECS SUMMARY

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

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.

Specifications

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 (145 mm)
Stroke	7.2 in (183 mm)
Displacement	1106 in³ (18.1 l)
Rotation from Flywheel End	Counterclockwise
Minimum Dry Weight	4000 lb (1814 kg)
Oil Change Interval	250 / 500
Minimum Length	73 in (1854 mm)
Refill Capacity	49 / 68 l
Minimum Height	47.2 in (1198 mm)
Maximum Height	51.2 in (1300 mm)
Minimum Width	44.6 in (1134 mm)
Maximum Width	47.4 in (1204 mm)
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)

Benefits and Features

Separate Circuit Aftercooling System

C18 Commercial Propulsion engines now incorporate a separate circuit aftercooling system (SCAC) for all configurations with A through C ratings

Emissions

EPA Tier 3 Compliant, IMO II and EU IWW, China II compliant

Cooling System

Heat exchanger and Keel cooled options for all ratings

Turbo Configurations

Single turbo configurations for all ratings

Competitive size and weight

Marine Certifications

All major MCS type approvals available from factory

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
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 +/-