The Voice of the Global
Large Engine Industry

‏‏‎ ‎CIMAC Congress 2023 Busan

Visit our Congress website for all latest information and updates.


To promote large engine technology power solutions that are efficient, reliable, safe and sustainable... ‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎‎


To add value to our members’ businesses and to society...

CIMAC actively drives sustainable development and champions the use of large combustion engines for power solutions.

CIMAC - The global platform for dialogue for all stakeholders on all topics concerning the large engine industry.

CIMAC takes a pro-active approach towards zero emissions and zero impact vision.

‏‏‎ ‎Digitalization Strategy Group

Strategy Group as a central discussion platform for digitization in the maritime industry.

‏‏‎ ‎Greenhouse Gas Strategy Group

Visit our GHG Strategy Group page to see the latest publications from the group.


CIMAC Tech Talk Special: Controls and Automation
The next Tech Talk Special will take place on July 5th at 2 p.m. CET. The thematic focus will be "Controls & Automation". The following presentations will be held: Horst Brünnet, .. more
CIMAC Tech Talk Special: Digitalization + System Integration & Electrification (incl. Fuel Cells) & Controls
The Second Tech Talk Special will take place on Jun 28th at 2 p.m. CET. The following presentations will be held: Josef Macherhammer, AVL List GmbH, Fuel cells for future marine .. more
CIMAC with a new EU Membership
CIMAC has been officially accepted as a member to the Renewable and Low-Carbon Fuels Value Chain Industrial Alliance. The Alliance is a new initiative that focuses on boosting production .. more

About us

CIMAC is the most important platform for the dialogue amongst the engine industry, technical experts and engine users.
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Technical Database
This database provides a full text service of CIMAC technical publications including CIMAC recommendations.