Home / Power Systems / High Performance Propulsion and Maneuvering Solutions / Cat C18 High Performance Propulsion Engine – Recreational

Cat C18 High Performance Propulsion Engine – Recreational

Request a Quote

Overview

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.

Download Product Brochure Print

Separate circuit aftercooling system

The primary advantage of the separate circuit aftercooling system (SCAC) is that no sea water circulates through the aftercooler

Emissions

EPA Tier 3 compliant, IMO II and EU IWW 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

Ratings

Power Range: 1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
Power Range: 1015-1150 mhp, 1001-1136 bhp, 747-847 bkW

Engine

Emissions: EPA Tier 3, IMO II, EU IW
Bore: 5.7in
Stroke: 7.2in
Displacement: 1106.0in3
Speed Range: 2300 rpm
Configuration: In-line 6, 4-Stroke-Cycle Diesel
Aspiration: TA,TTA
Rotation from Flywheel End: Counterclockwise
Emissions: EPA Tier 3, IMO II, EU IW
Bore: 5.7in
Stroke: 7.2in
Displacement: 1106in³

Dimensions & Weights

Minimum Dry Weight: 4000.0lb
Maximum Dry Weight: 4299.0lb
Minimum Length: 73.0in
Maximum Length: 76.0in
Minimum Height: 47.2in
Maximum Height: 51.2in
Minimum Width: 44.6in
Maximum Width: 47.4in
Maximum Dry Weight: 4299lb
Maximum Height: 51.2in
Maximum Length: 76in
Maximum Width: 47.4in
Minimum Dry Weight: 4000lb
Minimum Height: 47.2in
Minimum Length: 73in
Minimum Width: 44.6in

Standard/Optional Features

Standard Equipment:

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
- Crankshaft pulley, 292 mm (11.5 in) two groove, 15.88 mm (0.63 in) width
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
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

Take The Virtual Product Tour To Explore The Features And Benefits of the Cat C18 High Performance Propulsion Engine – Recreational

See how C18 Recreational compares against frequently compared products

C18 Recreational High Performance Propulsion and Maneuvering Solutions

Configuration: In-line 6, 4-Stroke-Cycle Diesel
Bore: 5.7 in
Stroke: 7.2 in

Selected Model

C7.1 High Performance Propulsion and Maneuvering Solutions

Configuration: In-line 6, 4-Stroke-Cycle Diesel
Bore: 4.13 in
Stroke: 5.31 in

View Full Specs

C18 High Performance Propulsion and Maneuvering Solutions

Configuration: In-line 6, 4-Stroke-Cycle Diesel
Bore: 5.7 in
Stroke: 7.2 in

View Full Specs

Compare with other Cat Models

Compare Now

Media Gallery

Check out our current offers

View Specials