Project

C18 Caterpillar Rebuild Marine Propulsion engine

Worldwide experience since 1976
Worldwide transport with all required documentation
More than 1.000.000 used parts in stock

C18 Caterpillar Rebuild Marine Propulsion engine

Diesel Power Holland is proud to announce the completion of a meticulously rebuilt C18 Caterpillar 671 HP TNA Marine Propulsion Engine. This powerful and reliable engine is now available for immediate delivery from our strategically located warehouse in the Netherlands

The Caterpillar C18 engine consists of the following:

Caterpillar C18 Marine Propulsion Engine
TNA Prefix
Production country USA
Year of manufacturing 2015
Year of overhaul 2024
Engine Output 671 HP
RPM 2100
General grade 5
Painted CAT yellow

This C18 Caterpillar engine has undergone a comprehensive rebuild by our team of skilled technicians, ensuring it meets the highest standards of performance and reliability. Every component has been inspected, repaired or replaced as needed, and the engine has been thoroughly tested to guarantee optimal operation. It is ready to be installed and put to work in your marine vessel, providing the power and dependability you need for smooth and efficient propulsion.

Do you need a C18 Caterpillar or service?

Whether you’re in the market for a new or rebuilt C18 Caterpillar engine or require maintenance or repair services for your existing C18, Diesel Power Holland is your trusted partner. We understand that in the marine industry, time is of the essence. That’s why we prioritize fast response times and maintain a comprehensive inventory of engines and spare parts, ready to ship when you need them.

Your global marine power solutions provider

At Diesel Power Holland, we are committed to providing our customers with a seamless experience from start to finish. We offer a wide range of high-quality Caterpillar generator sets, engines, and parts, all backed by our commitment to excellence and customer satisfaction.

Our team of experts is available to assist you with selecting the right equipment for your specific needs, providing technical support, and ensuring your engines are running at peak performance. We also offer a variety of value-added services, including installation, commissioning, and maintenance, to keep your operations running smoothly.

Why choose Diesel Power Holland?

We maintain a large stock of Caterpillar engines and parts, ensuring quick availability and minimal downtime.
We serve customers around the world, providing fast and reliable shipping to any location.
Our team of experienced technicians is available to provide expert advice and support.
We are dedicated to providing high-quality products and services that meet or exceed your expectations.
We prioritize building long-term relationships with our customers based on trust and reliability.

Contact us today

Don’t hesitate to contact us for all your Caterpillar engine and parts needs. We are ready to assist you with prompt and professional service, ensuring your marine operations stay on course.

FAQ’s C18 Caterpillar Rebuild

1. What are the key specifications of this rebuilt Caterpillar C18 engine?

The engine is a C18 TNA Marine Propulsion Engine with an output of 671 HP at 2100 RPM. Originally manufactured in 2015 in the USA, it underwent a complete overhaul in 2024. It is finished in Caterpillar yellow and holds a general grade 5 rating, indicating excellent condition.

2. What does the “rebuilding process” at Diesel Power Holland involve?

Our skilled technicians perform a comprehensive rebuild. This includes a full disassembly, inspection of every component, and the repair or replacement of parts to meet original equipment manufacturer standards. Finally, the engine is thoroughly tested to ensure optimal performance and reliability before delivery.

3. Is the C18 Caterpillar engine available for immediate shipping?

Yes, the engine is currently in stock at our strategically located warehouse in the Netherlands and is available for immediate worldwide delivery to minimize your vessel’s downtime.

About C18 Caterpillar Rebuild Marine Propulsion Engine

Diesel Power Holland completed a full C18 Caterpillar rebuild of a 671 HP TNA Marine Propulsion Engine, manufactured in 2015 and overhauled in 2024. The rebuilt engine was available for immediate worldwide delivery from our warehouse in Moerdijk, the Netherlands. Ready to install in any marine vessel requiring dependable propulsion power.

C18 Caterpillar Rebuild: Technical Specifications

Engine model: Caterpillar C18 Marine Propulsion Engine
Prefix: TNA
Country of manufacture: USA
Year of manufacture: 2015
Year of overhaul: 2024
Output: 671 HP
Speed: 2,100 RPM
Condition grade: 5 (excellent)
Finish: CAT yellow

What Is the Caterpillar C18 Marine Engine?

The Caterpillar C18 is an 18-litre, six-cylinder in-line diesel engine designed for high-demand marine propulsion and generator applications. It is one of Caterpillar’s most capable mid-range marine engines, delivering power outputs ranging from approximately 500 to over 700 HP depending on configuration and rating. The C18 is commonly found aboard workboats, patrol vessels, crew transfer vessels, ferries, and offshore support ships.

The TNA prefix identifies a specific engine serial number series for the C18, used by marine operators and parts specialists to confirm exact compatibility of components and rebuild kits.

The C18 Rebuild Process at Diesel Power Holland

A C18 Caterpillar rebuild at Diesel Power Holland follows a structured overhaul process carried out by experienced diesel engine technicians:

Full disassembly of the engine
Inspection of all internal components — block, crankshaft, pistons, liners, heads, turbocharger
Repair or replacement of worn or out-of-tolerance parts using OEM-quality components
Reassembly to Caterpillar factory specifications
Final performance and load testing before delivery

The result is a C18 rebuild that performs to the original manufacturer standard, at a fraction of the cost of a new engine.

Why Choose a Rebuilt C18 Over a New Engine?

For marine operators, a professionally rebuilt Caterpillar C18 offers several practical advantages. Rebuild costs are significantly lower than purchasing a new engine, lead times are shorter than factory order, and the engine retains full compatibility with existing vessel systems. With access to over 1,000,000 Caterpillar parts in stock, Diesel Power Holland can source the exact components needed for any C18 overhaul.

C18 Caterpillar Rebuild FAQ

What does a C18 Caterpillar rebuild include? A complete C18 rebuild includes full disassembly, inspection of every component, replacement of worn parts to OEM specifications, reassembly, and a final performance test. The engine is delivered in ready-to-install condition.

What is the output of a rebuilt CAT C18 TNA marine engine? This specific rebuild delivers 671 HP at 2,100 RPM — consistent with the original factory rating for the C18 TNA marine propulsion configuration.

How long does a C18 Caterpillar rebuild take? Lead time depends on the condition of the core engine and parts availability. Diesel Power Holland maintains extensive C18 parts inventory, which significantly reduces rebuild time compared to sourcing parts on demand.

Can Diesel Power Holland rebuild my existing C18 engine? Yes. We accept customer-supplied engines for full overhaul at our Moerdijk facility. Contact us to discuss your engine’s condition and receive a rebuild assessment.

Does Diesel Power Holland ship rebuilt C18 engines worldwide? Yes. We ship to all global destinations with full export documentation and logistics support.

Need a C18 Caterpillar Rebuild or a ready-to-ship engine?

Whether you need a rebuilt C18 from stock or want to send in your own engine for overhaul, Diesel Power Holland has the expertise and parts to deliver. We have been specialists in Caterpillar marine and industrial engines since 1976.