Cat C18 ACERT Propulsion Engine (IMO II)

Power Range454-715 bhp (339-533 bkW)

Speed Range1800-2100 rpm

EmissionsIMO II, EU IIIA

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

Maximum Dry Weight4299lb

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: 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

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 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.

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 System and Protection

Optional

Battery Chargers

Charging Alternators

Alternator Mounting Group

Ammeter

Optional

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

Optional

Marine Classification Society and SOLAS

Marine Classification Society and Fire Resistance

Optional

Electric Starting Motors - Single 24 Volt

Air Starting Motor

Air Start Accessories

Starting Aids - JW Heaters

Battery Sets - 24 Volt - Dry