Low speed engines for ships

3 companies | 46 products
Engines
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MAN Diesel & Turbo offers the right solution for every marine application on a "one-stop" basis. Starting with GenSets of 450 kW output for on-board power, through our medium-speed...

MAN Diesel & Turbo offers the right solution for every marine application on a "one-stop" basis. Starting with GenSets of 450 kW output for on-board power, through our medium-speed...

MAN Diesel & Turbo offers the right solution for every marine application on a "one-stop" basis. Starting with GenSets of 450 kW output for on-board power, through our medium-speed...

MAN Diesel & Turbo offers the right solution for every marine application on a "one-stop" basis. Starting with GenSets of 450 kW output for on-board power, through our medium-speed...

MAN Diesel & Turbo offers the right solution for every marine application on a "one-stop" basis. Starting with GenSets of 450 kW output for on-board power, through our medium-speed...

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Designed for the economical & reliable propulsion of small and medium-sized vessels

The Wärtsilä X35 engine provides excellent power and speed reliability for a wide variety of ship types, such as handysize bulk carriers and product tankers, general cargo...

Designed for the economical & reliable propulsion of small and medium-sized vessels

The Wärtsilä X40 provides excellent power and speed reliability for a wide variety of ship types, such as handysize bulk carriers and product tankers, general cargo vessels,...

For vessels with slim, efficient hull lines thanks to the most compact engine in its class

The Wärtsilä X62 has been designed as a main engine for Aframax tankers, Panamax/Kamsarmax bulk carriers, as well as Feeder container vessels.

The new engine offers high propulsion efficiency in a unique combination of low engine revolutions...

Designed with EEDI regulations, low vessel emission & operational flexibility in mind

The Wärtsilä X72 has been designed as a main engine for Suezmax tankers, Capesize bulk carriers, as well as Panamax and Sub-Panamax container vessels.

The...

Formerly known as
Wärtsilä RT-flex82T, B version

The Wärtsilä X82 has been designed as a main engine for large tankers, VLCCs,...

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How to choose this product

low-speed-engine-ship

A low-speed ships engine is a diesel engine which operates at less than 350 revolutions per minute (rpm). Normally, it is a two-stroke engine burning low-grade fuel.

Applications

These engines are commonly used to power ships, since they generate great power.

Technologies

Such engines are very large, with cylinder bores between 700 and 1060 millimeters. Each cylinder can generate up to 4500 hp. Diesel engine fuel is ignited by pressure. Since diesel fuel contains high levels of acid-forming sulfur, each cylinder is individually lubricated with high-alkaline oil to prevent corrosion of piston rings and cylinders.

How to choose

Choice will depend on available engine room space, ship power requirements, operating rpm, type of fuel and similar factors.

Advantages

- Powerful
- Economical

Disadvantages

- Bulky
- Fuel requires pre-treatment

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