Interview with the MAN 175D Design Engineer Andreas Micheler

I am Andreas Micheler, Design Engineer for the MAN 175D high speed engine. I started my career at MAN Diesel & Turbo with an apprenticeship as a draftsman in 1996 and worked afterwards for the turbocharger design department until 2004. After I finished studying mechanical engineering in Augsburg, I came back to MAN Diesel & Turbo in 2009, where I immediately stared in the high speed engineering department. Now, being part of the MAN 175D project, I am focusing on the whole valve train of our new high speed engine.


According to your experience, what is the most interesting part of your work concerning design and development of a new marine diesel engine?

The main focus for us is to find the best technical solutions for the engine design, considering market requirements, unit costs, quality, manufacturing and assembly as well as variant management. This means we have to talk to suppliers or to the in-house production and have to define quality gates while we are working close together with the assembly line and validation engineers. Only when the demands of the different faculties are optimally attuned to each other, we can finish a technical design concept.


What do you think were the biggest challenges regarding design and development of the MAN175D?

This question reminds me of one sentence: “Never done before”. Designing components for a high speed engine differs a lot from our previous projects here at MAN Diesel & Turbo, as Augsburg is usually known for the development of large bore medium speed engines. Thus, the greatest challenge for us was to develop an entire new marine high speed engine. Nevertheless, it also offered us the great opportunity to design the most modern and advanced high speed diesel engine – fit for the market requirements of the next decades.

Starting from the very beginning, our task from the MAN 175D design department was – and still is – to design for a lot of different applications with dynamic load profiles and to face new market requirements.


Looking back over your previous time in the MAN 175D project, what were the most special experiences which you have gained?

During the whole life of the project we stayed in close contact with our colleagues at MAN Truck & Bus in Nürnberg in order to exploit synergies regarding design and technology between the truck engines and our marine high speed engine. Here, I’ve gained a lot of experience in designing and building an engine in serial production. Furthermore, working with new potential suppliers for high speed engine components gave me the impression of how the parts should look like and how the process of manufacturing should be.


Can you give an insight into the further steps concerning the development of the MAN 175D?

We will do development and further optimization of our base engine design in alignment with the results of our in-house and field testing. Additionally, our main focus will be the development of variants regarding new applications and new auxiliary equipment to come up with all requirements of the market and all the different customers´ needs.


Thank you, Andreas, for your time and best wishes.