Cat C18 ACERT Propulsion Engine (IMO II)

Power Rating

Engine Specifications

Dimensions & Weights

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

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

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

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: 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

 Engine is certified to D2/E2 emissions cycles

 Certified to IMO II Marine Commercial Propulsion (E3) Cycle Emission Standards

 Certified to EU Stage IIIA AND CCNR Stage II (E3 Cycle) Emissions Standards.

 NOTE: Ratings listed below can also be used in Recreational / Pleasure Craft applications.

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 +/-

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 +/-

Exhaust System

 Dry Elbows

 Water-Cooled Elbows

 Flexible Fitting

 Flange

 Muffler

 Muffler Spark Arresting

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 System and Protection

MECP I

Caterpillar Alarm System 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: Marine Power Display, Color Marine Power Display, Color MPD Dual Display Harness, MPD Wiring Connection Kit

 OEM Wiring Harness

 Engine to Engine Harness

 Gauges

 Transmission Sensors

 Oil Level Sensor

Lube System

 Duplex Oil Filters

 Transmission Oil Cooler

 Sump Pump

Duplex Oil Filters

Transmission Oil Cooler

Sump Pump

Mounting System

 Vibration Isolators

 Front Support

 Rear Support

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

 Electric Starting Motors - Single 24 Volt

 Air Starting Motor

 Air Start Accessories

 Starting Aids - JW Heaters

 Battery Sets - 24 Volt - Dry

Electric Starting Motors - Single 24 Volt

Air Starting Motor

Air Start Accessories

Starting Aids - JW Heaters

Battery Sets - 24 Volt - Dry