What is the largest Wärtsilä engine?

Written by Editorial Team | Last Updated: August 2026

The Wärtsilä-Sulzer RTA96-C, and its modern updated multi-cylinder marine diesel iterations, stands as the largest and most powerful reciprocating internal combustion engine ever built in the world. Specifically designed to power colossal ultra-large container ships and deep-sea cargo vessels, this monumental 14-cylinder two-stroke turbocharged diesel engine measures over 26 feet in height, spans nearly 90 feet in length, and generates an astounding output exceeding 100,000 horsepower, driving global maritime trade routes efficiently.

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Wärtsilä Corporation operates as a fully public corporate entity, with its common shares listed and actively traded on the Nasdaq Helsinki stock exchange under the ticker symbol WRT1V.

Wärtsilä manufactures its advanced marine propulsion engines, heavy-duty diesel power units, and gas-powered generating systems across a globally integrated network of specialized production facilities.

Wärtsilä Oyj Abp (HEL: WRT1V) trades on Nasdaq Helsinki at €29.76 per share, commanding a substantial market capitalization of roughly €16.89 billion.

In Dutch, the word "weg" is pronounced "WEH-kh." The first syllable, "WEH," is a short, crisp "e" sound, rhyming with the "e" in "bed.

Wärtsilä engines are primarily classified as large-scale medium-speed and low-speed marine diesel, dual-fuel, and spark-ignited gas engines designed for heavy-duty marine propulsion and land-based power generation plants.

Wärtsilä enjoys a stellar global reputation for engineering excellence, innovation, and leadership in sustainable technology for the marine and energy sectors.

The holy grail of diesel engines refers to achieving the theoretical maximum thermal efficiency—converting the highest possible percentage of chemical energy from fuel into mechanical work—while simultaneously eliminating particulate matter and nitro...

The Wärtsilä-Sulzer RTA96-C, specifically its 14-cylinder turbocharged diesel variant, is universally recognized as the largest and most powerful reciprocating marine engine ever built.

Executive officers and vice presidents leading global water valve manufacturing, plumbing safety systems, regulatory compliance, or corporate finance divisions at Watts Water Technologies earn high-tier executive compensation packages.

Wärtsilä Corporation provides smart technologies and complete lifecycle solutions for the marine and energy markets, carrying specific cyclical industrial risks.

Wärtsilä is not a German corporation, but rather an authentic Finnish multinational enterprise headquartered in Helsinki, Finland.