About Rolls-Royce Power Systems

Rolls-Royce Power Systems AG with registered offices in Friedrichshafen is a specialist for large engines, propulsion systems and distributed energy systems, which operated previously under the name of Tognum AG. The core company is MTU Friedrichshafen, with its regional companies of MTU America in Novi, Michigan, USA, and MTU Asia in Singapore.

Under the MTU brand, Rolls-Royce Power Systems markets large high-speed engines and propulsion systems for ships, for heavy land, rail and defence vehicles, and for the oil and gas industry. The product portfolio for distributed energy systems, which are marketed under the MTU Onsite Energy brand, includes diesel gensets for emergency, base load and peak load applications, in addition to cogeneration plants for the generation of combined heat and power based on gas engines. The Norwegian subsidiary Bergen Engines manufactures medium-speed diesel and gas engines for marine and power generation applications. Fuel injection systems manufactured by L'Orange are also included in the product portfolio.

Power Systems employs around 11,000 people.

We are the preferred partner for sustainable solutions in power, propulsion and services.

Our portfolio


About MTU


About MTU Onsite Energy


About L'Orange


About Bergen Engines AS

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Rolls-Royce Power Systems AG
Since 9th January 2014 the former Tognum AG will now operate under the name of Rolls-Royce Power Systems AG. Read more about the group of companies on our new website.
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