402

Cat C18 High Performance Propulsion Engine - Recreational

The C18 marine propulsion engine has ratings for recreational applications that meet U.S. EPA Tier 3, IMO II, and EU Stage IIIA Regulations. This marine engine incorporates the latest core engine system innovations to provide maximum benefits in power density, performance, emissions, and fuel efficiency. Not only is it equipped with engine monitoring and protection features, it is also compatible with Cat display and vessel control systems. With this engine comes the unmatched worldwide marine support network including Cat dealers and hundreds of authorized marine dealers. Their combined experience and expertise, products and services, backup and support allow your recreational pleasure craft to remain precisely that — a pleasure.

  • Specifications

  • Standard/Optional Equipment

  • Catalog

Power Range

803 - 1136 bhp, 599 - 847 bkW

Speed Range

2300 rpm

Emissions

EPA Tier 3, IMO II

Aspiration

TA,TTA

Bore

5.7in

Stroke

7.2in

Displacement

1106in³

Rotation from Flywheel End

Counterclockwise

Configuration

In-line 6, 4-Stroke-Cycle Diesel

Maximum Height

51.2in

Maximum Dry Weight

4299lb

Maximum Width

47.4in

Maximum Length

76in

Minimum Length

73in

Minimum Dry Weight

4000lb

Minimum Width

44.6in

Minimum Height

47.2in

CHARGING SYSTEM

Battery Chargers

Charging Alternators 24 Volt 70/105 AMP

Alternator Mounting Group

FUEL SYSTEM

Primary Fuel Filter / Water Separator

Primary Fuel Filter

LUBE SYSTEM

Transmission Oil Cooler

POWER TAKE-OFFS

Crankshaft Pulleys

STARTING SYSTEM

Electric Starting Motor - Single 24 Volt

Battery Sets - 24 Volt - Dry

CONTROL SYSTEM

MECP I

INSTRUMENTATION

OEM Wiring Harness

Engine to Engine Harness

Instrument Panels

Transmission Sensors

AIR INLET SYSTEM

Aftercooler - sea water, corrosion resistant

Air cleaner/fumes disposal (closed system)

Turbocharger, jacket water cooled

Front-down and rear-down aftercooler condensate drains

CONTROL SYSTEM

Electronic diagnostics and fault logging

Cold mode start strategy

Engine and transmission monitoring (speed, temperature, pressure)

Electronic fuel/air ratio control

70-pin customer connector

Engine Protection Mode for High Ambient Conditions

Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA +/-)

COOLING SYSTEM

Sea water pump, rubber impeller, self-priming, gear driven

Sea water aftercooled

Jacket water pump, gear driven

JW Heat Exchanger - Titanium plate with integral fuel cooler expansion tank, and thermostat housing (fully open temp 92C)

Coolant recovery system

EXHAUST SYSTEM

Water-cooled exhaust manifold & turbocharger

114.3 mm (4.5 in) ID round flanged exhaust outlet

FLYWHEELS & FLYWHEEL HOUSINGS

Flywheel Housing, SAE No. 1

Flywheel, 18 inch, 113 teeth

SAE standard rotation

FUEL SYSTEM

Fuel filter, RH service on Port, LH service on Starboard

Fuel transfer pump

Fuel priming pump

Hybrid fuel line design

LUBE SYSTEM

Crankcase breather

Oil cooler

Oil filter, spin-on, low profile, RH service on Port, LH service on

Oil pan, center sump

Dipstick, RH service on Port, LH service on Starboard

Oil pump, gear driven

POWER TAKE-OFFS

Hydraulic pump drive, SAE A, 11-tooth spline, 46 ft-lbs max torque, counterclockwise as viewed from the front of the engine with 1.41 x engine speed

PROTECTION SYSTEM

A4 ECM Electronic Engine Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions

GENERAL

Front damper guard

Lifting eyes

RH or LH service options

Upper rear-facing customer wiring connector and Service Tool connection

ALL

AIR INLET SYSTEM

Aftercooler - sea water, corrosion resistant

Air cleaner/fumes disposal (closed system)

Turbocharger, jacket water cooled

Front-down and rear-down aftercooler condensate drains

CONTROL SYSTEM

Electronic diagnostics and fault logging

Cold mode start strategy

Engine and transmission monitoring (speed, temperature, pressure)

Electronic fuel/air ratio control

70-pin customer connector

Engine Protection Mode for High Ambient Conditions

Three types of throttle inputs (primary/ secondary PWM, 0-5V, 4-20mA +/-)

COOLING SYSTEM

Sea water pump, rubber impeller, self-priming, gear driven

Sea water aftercooled

Jacket water pump, gear driven

JW Heat Exchanger - Titanium plate with integral fuel cooler expansion tank, and thermostat housing (fully open temp 92C)

Coolant recovery system

EXHAUST SYSTEM

Water-cooled exhaust manifold & turbocharger

114.3 mm (4.5 in) ID round flanged exhaust outlet

FLYWHEELS & FLYWHEEL HOUSINGS

Flywheel Housing, SAE No. 1

Flywheel, 18 inch, 113 teeth

SAE standard rotation

FUEL SYSTEM

Fuel filter, RH service on Port, LH service on Starboard

Fuel transfer pump

Fuel priming pump

Hybrid fuel line design

LUBE SYSTEM

Crankcase breather

Oil cooler

Oil filter, spin-on, low profile, RH service on Port, LH service on

Oil pan, center sump

Dipstick, RH service on Port, LH service on Starboard

Oil pump, gear driven

POWER TAKE-OFFS

Hydraulic pump drive, SAE A, 11-tooth spline, 46 ft-lbs max torque, counterclockwise as viewed from the front of the engine with 1.41 x engine speed

PROTECTION SYSTEM

A4 ECM Electronic Engine Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions

GENERAL

Front damper guard

Lifting eyes

RH or LH service options

Upper rear-facing customer wiring connector and Service Tool connection

Optional Equipment

CHARGING SYSTEM

Battery Chargers

Charging Alternators 24 Volt 70/105 AMP

Alternator Mounting Group

FUEL SYSTEM

Primary Fuel Filter / Water Separator

Primary Fuel Filter

LUBE SYSTEM

Transmission Oil Cooler

POWER TAKE-OFFS

Crankshaft Pulleys

STARTING SYSTEM

Electric Starting Motor - Single 24 Volt

Battery Sets - 24 Volt - Dry

CONTROL SYSTEM

MECP I

INSTRUMENTATION

OEM Wiring Harness

Engine to Engine Harness

Instrument Panels

Transmission Sensors

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