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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.
Request a QuotePower Range1015-1150 mhp, 1001-1136 bhp, 747-847 bkW
Speed Range2300 rpm
EmissionsEPA Tier 3, IMO II, EU IW
AspirationTA,TTA
Bore5.7in
Stroke7.2in
Displacement1106in³
Rotation from Flywheel EndCounterclockwise
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Maximum Height51.2in
Maximum Dry Weight4299lb
Maximum Width47.4in
Maximum Length76in
Minimum Length73in
Minimum Dry Weight4000lb
Minimum Width44.6in
Minimum Height47.2in
Standard
Aftercooler - sea water, corrosion resistant
Air cleaner/fumes disposal (closed system)
Turbocharger, jacket water cooled
Front-down and rear-down aftercooler condensate drains
Standard
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 +/-)
Optional
MECP I
Standard
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
Standard
Water-cooled exhaust manifold & turbocharger
114.3 mm (4.5 in) ID round flanged exhaust outlet
Standard
Flywheel Housing, SAE No. 1
Flywheel, 18 inch, 113 teeth
SAE standard rotation
Standard
Fuel filter, RH service on Port, LH service on Starboard
Fuel transfer pump
Fuel priming pump
Hybrid fuel line design
Optional
Primary Fuel Filter / Water Separator
Primary Fuel Filter
Standard
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
Optional
Transmission Oil Cooler
Standard
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
Optional
Crankshaft Pulleys
Standard
A4 ECM Electronic Engine Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions
Standard
Front damper guard
Lifting eyes
RH or LH service options
Upper rear-facing customer wiring connector and Service Tool connection
Optional
Battery Chargers
Charging Alternators
Optional
Electric Starting Motor - Single 24 Volt
Battery Sets - 24 Volt - Dry
Optional
OEM Wiring Harness
Engine to Engine Harness
Instrument Panels
Transmission Sensors
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