Caterpillar C18-600 Marine Inboard Engine – Proven Power by Seawave Marine

For over two decades, Seawave Marine has specialized in the design, supply, and commissioning of Caterpillar marine propulsion systems worldwide. Our marine engineers have installed and serviced hundreds of Caterpillar C18 600 bhp inboard engines for commercial, offshore, and private vessels — giving us unmatched real-world experience and deep technical understanding of the product’s performance in demanding conditions.

⚓ Overview

The Caterpillar C18-600 Marine Inboard Engine is a 6-cylinder, 4-stroke diesel engine designed for continuous marine propulsion. Built with Caterpillar’s renowned durability and fuel-efficient ACERT Technology, it delivers 600 bhp (448 bkW) at 1,800 RPM with a displacement of 18.1 litres.

This model meets U.S. EPA Tier 3, IMO II, and EU Stage IIIA emissions standards, ensuring global compliance for commercial and recreational operators alike. The C18’s turbocharged-aftercooled design and advanced electronic control system (A5E2 V2 ECM) provide smooth power delivery, rapid throttle response, and consistent performance in tropical or cold-water environments alike.

⚙️ Technical Specifications

Parameter	Specification
Model	Caterpillar C18-600 Marine Inboard Engine
Configuration	Inline 6-Cylinder, 4-Stroke Diesel
Displacement	18.1 L (1,098 cu in)
Bore × Stroke	145 mm × 183 mm (5.7 in × 7.2 in)
Rated Speed	1,800 RPM
Rated Power	600 bhp (448 bkW)
Aspiration	Turbocharged – Aftercooled
Fuel System	Common-Rail / MEUI Electronic
Cooling System	Heat-Exchanger or Keel-Cooled
Dry Weight	Approx. 1,950 kg (4,299 lb)
Emissions	IMO II / EPA Tier 3 / EU Stage IIIA
Certifications	RCD 2016 / CCNR Stage II Compliant

🔧 Expert Insight from Seawave Marine

“We’ve integrated the C18-600 into over 50 commercial vessels since 2010. Its balance of torque and efficiency makes it one of the most reliable propulsion engines in its class.”
— Chief Engineer Daniel Foster, Seawave Marine Technical Division

Because Seawave Marine directly services Caterpillar powertrains, we understand the nuances of proper installation, load management, and long-term maintenance that most generic dealers overlook. That’s why shipowners trust us not only to sell the engine, but to design and commission complete propulsion packages that maximize uptime and minimize lifecycle costs.

🧰 Applications and Options

• Suitable for workboats, ferries, fishing vessels, and yachts.

• Available as a propulsion engine or integrated Caterpillar C18 generator set (600 kW / 600 kVA configurations).

• Compatible with factory options such as remote monitoring, dual-station controls, and gearbox pairing.

• Fully supported by Caterpillar’s global dealer network.

🔍 Why Choose Seawave Marine

• Authorized Caterpillar Marine Partner

• Certified Marine Engineers with 20 + years of hands-on installation experience

• Genuine OEM Parts and official Caterpillar C18 manual PDFs on request

• Transparent pricing — request the current Caterpillar C18 600 price list for your region

• Comprehensive after-sales support including commissioning and 24 / 7 technical assistance

🛡️ Warranty & After-Sales Support

All Caterpillar C18-600 Marine Inboard Engines sold through Seawave Marine include:

• 12-Month / 1,000-Hour Limited Warranty from startup

• Option to extend to 3 Years / 5,000 Hours with Seawave Care Plus coverage

• Warranty applies to all genuine Caterpillar components and workmanship defects

• Maintenance and service logs verified by certified technicians maintain warranty validity

Our warranty program reflects both Caterpillar’s OEM standards and Seawave Marine’s commitment to reliability and long-term vessel performance.

❓ Frequently Asked Questions

Q1: Can the C18-600 be used as a generator engine?
Yes. The C18 platform powers both inboard propulsion systems and Caterpillar C18 generator sets rated up to 600 kW / 600 kVA. We supply both propulsion and genset configurations.

Q2: What is the fuel efficiency of the C18-600?
Based on field data from Seawave Marine installations, typical fuel consumption averages 135–145 L/hr at 80 % load, depending on vessel design and propeller pitch.

Q3: How does Seawave Marine ensure installation quality?
Each engine installation undergoes alignment verification, vibration testing, and sea-trial commissioning by certified marine engineers. Reports are archived for warranty traceability.

Q4: Where can I access the Caterpillar C18 engine specifications PDF or manual?
Customers receive digital copies of the Caterpillar C18 engine specifications PDF and Caterpillar C18 generator manual PDF upon purchase or quotation request.

Q5: What support does Seawave Marine provide after sale?
We maintain a global parts supply network, 24-hour service hotline, and remote diagnostics for vessels worldwide.