Rolls-Royce Power Systems
| Formerly | Tognum AG (2006–2014) | 
|---|---|
| Company type | Private | 
| Industry | Mechanical engineering | 
| Founded | 1909 (as MTU Friedrichshafen) 2006 (as Tognum AG) | 
| Headquarters | Friedrichshafen, Germany | 
| Key people | 
 | 
| Products | Engines for oil and gas installations, mining, marine propulsion, locomotives and military vehicles; injection systems; power generators | 
| Revenue | €2.564 billion (2010) | 
| €112.3 million (2010) | |
| €62.8 million (2010) | |
| Total assets | €2.746 billion (end 2010) | 
| Total equity | €735.8 million (end 2010) | 
| Number of employees | 10,700 (end 2013) | 
| Parent | Rolls-Royce Holdings | 
| Website | www | 
Rolls-Royce Power Systems AG (formerly Tognum AG) is a German company owned by Rolls-Royce Holdings with holdings in engine manufacturing brands and facilities. The company previously traded, from 2006 to 2014, as Tognum AG. Prior to 2006, the core company – MTU Friedrichshafen GmbH – was a constituent of DaimlerChrysler Powersystems Off-Highway.