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Caterpillar C18 Marine Main Engine

The C18 ACERT Marine propulsion engine has a commercial power rating of 454 to 715 bhp (compliant with IMO II and EU Stage IIA emissions regulations), And commercial power ratings of 469 to 715 bhp (compliant with EPA Tier 3, IMO II and EU IIIA emissions regulations). In addition to the advantages brought by the C18 ACERT’s advanced Marine engine technology.

The Carter c18 engine is a high-performance, high-power diesel engine used in a wide variety of heavy machinery and vehicle Marine applications. This paper will introduce the features, advantages, application scenarios and future development prospects of Carter c18 engine in detail. With the continuous growth of global energy demand and increasingly stringent environmental requirements, the market demand for efficient and clean diesel engines continues to grow. As a representative of high performance and high power diesel engine, Carter c18 engine has broad prospects for future development. The engine will continue to use advanced fuel injection system and turbocharging technology to further improve fuel efficiency and engine efficiency, while further reducing maintenance costs and improving service life, creating more value for the enterprise. In addition, with the development and application of new energy technologies, Carter c18 engines will continue to explore the combination with new energy technologies to develop a more energy-efficient and environmentally friendly power system to meet market demand and meet future challenges.

General Specifications of C18 Series

Engine Type:Inline 6, 4-Stroke-Cycle Diesel
Displacement:18 L
Bore * Stroke:145 mm * 183 mm
Advertised Power:339-600 HP @ 1800 RPM
Peak Torque:N/A
Rated Speed:1800 RPM
Emissision: IMO II Compliant
Aspiration Method:Turbocharged Aftercooled (TA)
Wet Weight:1950 kg (4299 lb)
Dimission Standards:1854 mm * 1134 mm * 1300 mm
caterpillar C18 Marine Engine Catalogue

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

C18-ME454454 HP @ 1800 RPMN/AC18-ME449479 HP @ 1800 RPMN/A
C18-ME600600 HP @ 1800 RPMN/A
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Caterpillar C18 Series Marine Main Engine

This is the list of all series of Caterpillar C18 marine main Engine.
Click here to find automotive engines by type (Fuel System & Emission Standard).

Caterpillar C18-454 Marine Main Engine

Caterpillar C18-454 Marine Main Engine

Rated Power: 339 HP @ 1800 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 145 mm x 183 mm
Aspiration:TC & aftercooled aspiration
Emission Standard: IMO II

Caterpillar C18-479 Marine Main Engine

Caterpillar C18-479 Marine Main Engine

Rated Power: 357 HP @ 1800 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 145 mm x 183 mm
Aspiration:TC & aftercooled aspiration
Emission Standard: IMO II

Caterpillar C18-600 Marine Main Engine

Caterpillar C18-600 Marine Main Engine

Rated Power: 448 HP @ 1800 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 145 mm x 183 mm
Aspiration:TC & aftercooled aspiration
Emission Standard: IMO II

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