C18

C18
Caterpillar
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The Cat® C18 commercial propulsion engine is built to deliver reliable, high-output power for workboats operating in demanding marine environments. Its inline 6-cylinder, four-stroke diesel design provides the durability and performance needed for long hours, heavy-duty duty cycles and consistent propulsion. Supported by the global Cat dealer network, the C18 helps keep vessels productive, serviceable and ready for the next job.
The Cat® C18 commercial propulsion engine is built to deliver reliable, high-output power for workboats operating in demanding marine environments. Its inline 6-cylinder, four-stroke diesel design provides the durability and performance needed for long hours, heavy-duty duty cycles and consistent propulsion. Supported by the global Cat dealer network, the C18 helps keep vessels productive, serviceable and ready for the next job.

Brochures and Spec Sheets

Gallery

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Specifications

Specification Value Unit
Power Range
Application
Speed Range
Emissions
Aspiration
Bore 5.7 in
Stroke 7.2 in
Displacement 1106.0 in³
Rotation from Flywheel End
Oil Change Interval
Refill Capacity
Configuration
Cooling
Governor
Flywheel Housing
Minimum Dry Weight 4000.0 lb
Minimum Length 73.0 in
Minimum Height 47.2 in
Maximum Height 51.2 in
Minimum Width 44.6 in
Maximum Width 47.4 in

Standard Equipment

  • AIR INLET SYSTEM
  • COOLING SYSTEM
  • EXHAUST SYSTEM
  • FLYWHEELS & FLYWHEEL HOUSINGS
  • FUEL SYSTEM
  • LUBE SYSTEM
  • MOUNTING SYSTEM
  • POWER TAKE-OFFS
  • GENERAL
  • CONTROL SYSTEM

Optional Equipment

  • EXHAUST SYSTEM
  • AIR INLET SYSTEM
  • CHARGING SYSTEM
  • CONTROL SYSTEM
  • COOLING SYSTEM
  • FUEL SYSTEM
  • INSTRUMENTATION
  • Instrumentation
  • LUBE SYSTEM
  • MOUNTING SYSTEM
  • POWER TAKE-OFFS
  • PROTECTION SYSTEM
  • STARTING SYSTEM
  • PACKING