Choosing the Best Engine for Your Narrowboat
- Glenn Knight

- Oct 17
- 3 min read
Selecting the right engine for your narrowboat is essential for a satisfying and efficient experience on the water. The engine serves as the heart of your vessel, directly impacting its performance and your overall enjoyment. At Knights Narrowboats, we collaborate with reputable manufacturers like Canaline and Beta Marine. This ensures that our engines meet high standards for reliability and performance. With these engines, you can focus on the stunning scenery and serenity of the waterways.
Engine Options
38hp Engines
The 38hp engine is a fantastic option for narrowboats measuring between 40 to 60 feet. This size strikes an ideal balance between power and efficiency, making it well-suited for leisurely cruising on calm waters.

This engine is designed to provide a smooth ride, helping you navigate with ease. A 38hp engine is particularly popular among leisure boaters who prefer a relaxed pace, allowing for an immersive experience in nature without unnecessary urgency.
43hp Engines
For larger boats, typically ranging from 55 to 70 feet, the 43hp engine is a strong choice. This engine offers additional power, which greatly improves handling and performance, especially in challenging conditions like flowing rivers. With the extra horsepower, you can navigate confidently even in strong currents or rough waters.

Embrace Hybrid Electric Models
As we look towards the future of boating, hybrid electric engines present exciting options that combine traditional and eco-friendly technologies. Our hybrid models come in both serial and parallel configurations, catering to modern boaters who prioritize sustainability.

Parallel Hybrid System
In a parallel hybrid system, a conventional diesel engine powers the propeller while an electric motor assists and recharges the battery bank during low-speed cruising. This setup maximizes energy efficiency, allowing for cruising times to be extended by up to 25%. This system is ideal for boaters looking to reduce their carbon footprint without sacrificing performance.
The parallel hybrid system is excellent for environmentally conscious users seeking efficiency and versatility. Not only does it support longer trips, but it also minimizes fuel consumption, providing peace of mind as you enjoy your time on the water.
Serial Hybrid System
In a serial hybrid system, a battery bank supplies power to an electric motor that drives the propeller directly. The batteries can be charged by a generator, shore power, or solar panels, making this system flexible and customizable to suit various boating lifestyles.
Boaters who choose the serial hybrid system enjoy a quieter experience on the water, as electric motors operate silently. This setup often leads to a reduction in noise pollution by as much as 70%. It is an excellent option for those who want to embrace modern boating technology while being considerate of the environment.
Final Thoughts
Choosing the right engine for your narrowboat is crucial for maximizing your enjoyment and efficiency on the water. Whether you opt for a 38hp engine for a leisurely pace or a 43hp engine for exciting adventures, the correct choice can significantly enhance your boating experience.
Moreover, hybrid electric engines offer an eco-friendly alternative for those who wish to bridge traditional power with sustainable practices. By selecting between the parallel and serial hybrid systems, you can benefit from advanced technology while caring for our environment.
At Knights Narrowboats, we pride ourselves on providing high-quality engines tailored to your needs. Our partnerships with trusted manufacturers ensure that you can navigate the waterways confidently, knowing your engine is built to endure.
As you plan your narrowboat journey, carefully evaluate your engine options. Consider your boating habits, the size of your vessel, and your commitment to sustainability. The right engine will contribute to memorable adventures as you explore the beauty of nature and the joy of boating.



