Everllence and MITSUI E&S Mark 100 Years of Two-Stroke Engine Partnership

Summary

Everllence and MITSUI E&S have marked 100 years of collaboration in two-stroke marine engine manufacturing at a ceremony held in Okayama, Japan, on 2 October 2026. MITSUI E&S, Everllence’s oldest two-stroke engine licensee, has manufactured more than 7,500 B&W engines, with cumulative production exceeding 120 million horsepower. The milestone comes as the maritime industry continues to develop technologies to address decarbonisation and evolving vessel propulsion requirements.

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Everllence and Japanese engineering company MITSUI E&S have celebrated a century of collaboration in two-stroke marine engine manufacturing, marking a partnership that began with a licensing agreement signed in 1926.

The anniversary ceremony took place in Okayama, Japan, on 2 October 2026, with representatives from both companies attending. MITSUI E&S has manufactured more than 7,500 B&W engines under the partnership, recording cumulative production exceeding 120 million horsepower.

MITSUI E&S President and CEO Takeyuki Takahashi and Director Ichiro Tanaka represented the Japanese company. Everllence was represented by Executive Board Member Gunnar Stiesch, Head of Two-Stroke Business Bjarne Foldager and Head of Licensing Klaus Engberg.

Takahashi said: “We are honoured to celebrate the 100th anniversary of our partnership with Everllence. Throughout the past century, our companies have shared a commitment to supporting global maritime transport through technology, trust and innovation. As the maritime industry enters a new era of decarbonisation, we look forward to further strengthening our collaboration and building on the achievements of the past 100 years to create new value for the future.”

During the ceremony, Stiesch noted that the original licensing agreement was signed in 1926 and had been renewed without interruption. He highlighted the role of manufacturing expertise, industrial scale and continued technological development in sustaining the relationship over the decades.

Foldager led a toast to mark the anniversary and emphasised the partnership’s role in addressing changing requirements across the maritime industry.

He said: “Today we are celebrating 100 years of a business relationship but it is much more than just business – it is also about vision, trust and a commitment to solving the challenges of each era. With our joint legacy of innovation, we have an obligation to show the path forward by developing technologies that address the ever-changing needs of the maritime industry. Now, more than ever, our partnership is vital. The solutions we create together will continue to shape a more sustainable future for the global maritime industry for generations to come.”

The centenary comes as shipowners, engine manufacturers and technology providers assess propulsion options and fuel technologies to meet changing environmental requirements. The companies’ continued collaboration will take place against this backdrop of technological development and the maritime sector’s transition towards lower-emission operations.

FAQs

1. What milestone have Everllence and MITSUI E&S celebrated?

The companies celebrated 100 years of collaboration in two-stroke engine manufacturing. Their licensing partnership began in 1926.

2. When and where was the centenary ceremony held?

The ceremony took place on 2 October 2026 in Okayama, Japan.

3. How many B&W engines has MITSUI E&S manufactured?

MITSUI E&S has manufactured more than 7,500 B&W engines under the partnership, with cumulative production exceeding 120 million horsepower.

4. What is MITSUI E&S’s relationship with Everllence?

MITSUI E&S is Everllence’s oldest two-stroke engine licensee. The companies have maintained their licensing relationship since the original agreement was signed in 1926.

5. Why is the partnership relevant to the maritime