Cat C18 High Performance Propulsion Engine – Recreational

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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.

Pricing: Contact for Pricing

Power Range 803 - 1136 bhp, 599 - 847 bkW
Aspiration TA,TTA
Bore 5.7in
Configuration In-line 6, 4-Stroke-Cycle Diesel
Displacement 1106in³
Emissions EPA Tier 3, IMO II
Rotation from Flywheel End Counterclockwise
Speed Range 2300 rpm
Stroke 7.2in
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 Equipment:

  • Aftercooler - sea water, corrosion resistant
  • Air cleaner/fumes disposal (closed system)
  • Turbocharger, jacket water cooled
  • Front-down and rear-down aftercooler condensate drains
  • 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 +/-)
  • 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
  • Water-cooled exhaust manifold & turbocharger
  • 114.3 mm (4.5 in) ID round flanged exhaust outlet
  • Flywheel Housing, SAE No. 1
  • Flywheel, 18 inch, 113 teeth
  • SAE standard rotation
  • Fuel filter, RH service on Port, LH service on Starboard
  • Fuel transfer pump
  • Fuel priming pump
  • Hybrid fuel line design
  • 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
  • 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
  • A4 ECM Electronic Engine Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions
  • Front damper guard
  • Lifting eyes
  • RH or LH service options
  • Upper rear-facing customer wiring connector and Service Tool connection

Optional Equipment:

  • Battery Chargers
  • Charging Alternators 24 Volt 70/105 AMP
  • Alternator Mounting Group
  • Primary Fuel Filter / Water Separator
  • Primary Fuel Filter
  • Transmission Oil Cooler
  • Crankshaft Pulleys
  • Electric Starting Motor - Single 24 Volt
  • Battery Sets - 24 Volt - Dry
  • MECP I
  • OEM Wiring Harness
  • Engine to Engine Harness
  • Instrument Panels
  • Transmission Sensors

What Our Customers Are Saying About Us

Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.
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