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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Raw water pump spare parts

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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

Read more
All the posts
Curiosities
09 October 2024

Boat clutch kits: what they look like, what they contain and when to change them

In the field of marine mechanics, the clutch is a fundamental part for the correct operation of marine engines. This component is responsible for transmitting engine power to the propellers of ships, allowing their efficient and controlled propulsion. But, like any mechanical part, the clutch is subject to wear over time. In this post we […]

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Curiosities
30 September 2024

All about saltwater boat filters

Salt water filters for boats are used to filter and purify sea water before it enters the boat’s systems. These filters are essential to prevent harmful particles and sediments from entering the engine, gearbox or any of the systems. How do saltwater filters work? Seawater contains a large amount of debris, such as sand, algae, […]

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Cummins
28 August 2024

Cummins: The best type of engine for large vessels

Cummins is leader in the design, manufacture and development of diesel and marine engines, especially for large vessels with high power ratings. The brand offers a wide range of engines designed to provide power, efficiency and durability in demanding marine conditions. Talleres Nasio Official Cummins Service At Talleres Nasio we are an official Cummins service […]

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Curiosities
12 August 2024

Get to know in depth the different types of vessels

In this blog we will explore the different types of boats, highlighting their distinctive features and the specific maintenance needs of each one of them. From overhauling engines, gearboxes, marine generators, transmission and propulsion system, to replacing spare parts such as oils, filters, belts, impellers and parts of the cooling system.  Whether you are the […]

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Tips
30 July 2024

Marine gearbox repair and spare parts sales: Your ally in the maintenance of your boat

At Talleres Nasio we are experts in repairing marine gearboxes and selling high quality spare parts to keep your boat in top condition. We understand the importance of keeping your boat running smoothly, especially when it comes to the transmission, an essential part for performance and safety on the water.  That’s why our mission is […]

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Tips
31 May 2024

Prepare your boat for the summer with Talleres Nasio

We want to offer you some essential tips for boat maintenance, so you can keep it in perfect condition during these months ahead.

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Curiosities
13 May 2024

Complete guide on fuel filters for boats: When to change them and their maintenance

Fuel filters are essential components in any marine propulsion system. Keeping them in good condition and changing them regularly is crucial for the optimal performance of your boat’s engine or work machine. At Talleres Nasio we have a wide variety of filters for the correct maintenance and operation of your engine, from fuel filters such […]

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Success stories
25 April 2024

Successful case: Before and after the repair of a ship’s tail shaft

Today we want to show you the before and after of a glue shaft with sealing by packing. A work that Talleres Nasio has been doing for many years in our facilities, with a very meticulous work method, since the final result of all the pieces has to be exact and precise. Do you know […]

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Curiosities
17 April 2024

What is and how does the lubrication system of a diesel engine work?

Today we will talk about the lubrication system of an engine, how the lubrication system of a diesel engine works, the components of the engine lubrication system, we will also talk about the Cummins spare parts for the lubrication system that we have in stock, and finally, we will talk about the oil filters and […]

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