We’re moving! From now on, you can find us at: El Serrallo Industrial Park, Warehouse 36, 12100 Grau de Castelló, Castellón.

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(+34) 964 28 26 48
(+34) 601 24 33 40
Professional and recreational boats
Repair and maintenance of all types of boats.
Diesel and marine engines
Repair and maintenance, public works, mining and marine engines.
Marine transmission specialists
We are experts in the repair and maintenance of marine gearboxes.
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The latest posts of Talleres Nasio

Discover everything we have to tell you about our brands, the events we attend and much more.
All the posts Brands Corporate Cummins Curiosities Success stories Tips
Corporate
14 May 2026

Talleres Nasio begins a new chapter: more space, better facilities, and a future in motion

After decades as part of the industrial history of Grao de Castellón, Talleres Nasio is taking a major step forward in its business evolution by relocating to new facilities designed to support the company’s continuous growth and meet both present and future demands. More Than Half a Century in an Iconic Location Since 1967, the […]

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Cummins
18 March 2026

Find out where Cummins engines are manufactured and learn about our service as an official Cummins dealer

n this article we will discover where the Cummins engine is from and we will also introduce you to our services as official Cummins dealers

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Tips
02 March 2026

Power and protection: discovering why Valvoline oil is good for you

When it concerns keeping an engine in perfect condition, choosing the right oil and additives is essential. In this regard, Valvoline stands out as one of the leading brands in the engine lubricants and additives market.

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Brands
19 February 2026

Do you have an old Twin Disc marine transmission? Here’s how you can extend its service life with used replacement parts

Twin Disc marine transmission: reliability that stands the test of time Twin Disc marine transmissions are recognized worldwide for their robustness, precision, and durability, even in demanding working conditions. Many of these systems have been operating for decades with excellent results, especially in professional and recreational vessels. However, when it comes to older Twin Disc […]

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Only for experts
Cummins
18 March 2026

Find out where Cummins engines are manufactured and learn about our service as an official Cummins dealer

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Tips
07 November 2023

Discovering the heart of power: How a marine engine gearbox works

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Cummins
11 October 2023

Cummins opens new heavy-duty engine overhaul center in Krakow

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Tips
02 March 2026

Power and protection: discovering why Valvoline oil is good for you

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All the posts
Tips
08 April 2025

Marine Gearbox Repair Kits: The best choice to maintain your ZF transmission

The marine transmission is a fundamental piece for the good performance of any boat. At Talleres Nasio, as a workshop specialized in marine engines and gearboxes, we work with different brands and models of marine transmissions, but one of the most recognized for its quality and reliability is the ZF brand. Over the years we […]

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Tips
31 March 2025

My boat’s engine does not start: possible causes and what to do

If you’ve ever tried to start your boat engine and it hasn’t responded, you know how frustrating it can be. However, there are several common reasons why a boat engine won’t start.  In this article, we’ll go over 5 possible causes and what to do in each case to try to fix it. 1. Lack […]

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Curiosities
17 March 2025

7 FAQs about motor oil for your boat

Engine oil is an essential component for the proper functioning of marine engines. Choosing the right engine oil and keeping it in optimal conditions is key to prolonging engine life and avoiding mechanical failures.  In this article, we resolve some of the most common doubts about engine oil in the marine field. 1. What is […]

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Tips
16 January 2025

How to protect your boat from corrosion in marine environments

Marine corrosion is one of the main problems affecting vessels. The combination of salt water, humidity and oxygen accelerates the wear of metal parts, engines and critical systems, generating high costs in parts replacement, repairs and loss of performance. In this article, we show you how to protect your boat from marine corrosion, from preventive […]

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Corporate
18 December 2024

Merry Christmas and Happy 2025!

This Christmas we want to thank you for being part of the engine that drives us every day. This year, together, we have launched great projects and overcome challenges, always on the same path. We wish you a holiday season full of happy moments, good company and lots of energy to start the next year […]

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Curiosities
10 December 2024

Differences between diesel and gasoline engines for boats

Choosing the right engine for a boat is a crucial decision, both for professional and recreational boats. Among the most common choices, diesel and gasoline engines top the list, but not all offer the same advantages. In the boating world, where efficiency, reliability and safety are essential, diesel engines stand out as the most robust […]

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Curiosities
28 November 2024

Winterizing boat: off-season maintenance and care

The end of the boating season is the perfect time to perform preventive maintenance to ensure the good condition of your boat during the months of inactivity. Winterizing a boat correctly not only protects vital systems, such as the engine and marine gearboxes, it also prevents problems in the future.  At Talleres Nasio, as a […]

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Cummins
05 November 2024

Cummins Marine Engine Preventive Maintenance: Key Aspects

Preventive maintenance of marine engines is key to extending engine life, improving engine performance and avoiding breakdowns that could endanger navigation. To keep a marine engine in optimal condition, it is essential to carry out periodic checks and be on the lookout for signs of wear. In this post we will explore how you should […]

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Curiosities
28 October 2024

How is the exhaust system of a diesel engine: Function, parts and components

The exhaust system is one of the most important parts of any diesel engine, whether for marine or terrestrial use. In Cummins engines, which are widely used in marine applications and in industrial and heavy machinery, the exhaust system not only ensures the expulsion of combustion gasses, but also contributes to the efficiency, safety and […]

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