Engineering | Mecachrome

TEOS Powertrain Engineering

TEOS Powertrain Engineering, company created in 2011 and 100% owned by Mecachrome. TEOS is a company specialized in engineering of powertrain systems and based in Montigny-le-Betonneux, in Paris region. 

TEOS Powertrain Engineering develops :  

  • Innovative propulsion systems in aeronautics, motorsport and automotive industries.
  • Hybrid and electric propulsion solutions in the recreational and marine sectors.
  • Mechanical transmission solutions for offroad needs.
  • Solutions of mechanical and electrical subassemblies.

TEOS offers a large rage of development possibilities starting from a sub-system optimization until a complete project development in order to ameliorate the performances of such engines like gasoline, Diesel or Jet-A1, atmospheric, turbo and hybrid engines, as well as associated transmissions, gearboxes and reducers.


Motor Engineering : Project management, engineering, prototyping (manufacturing & assembly), testing and validation.

Powertrain engineering:
Engineering, manufacturing, assembling, testing and validation.


  • Automotive (ex: electric reducer for a demo-vehicle Twizy, e-turbo system for luxury sedan)
  • Motorsport (ex: GP2, GP3, Le Mans 24 hours, Formula 1, WRC)
  • Aircraft (ex: project Clean Sky in partnership with Airbus Helicopters and Austro Engine)  
  • Energy (production / recovery)

Center of excellence:

  • High performance engine
  • Design and simulation (mechanical, thermomechanical, fluid mechanics)
  • Innovative and advanced solutions  
  • Best weight / power ratio on the market for pistons engines for aeronautics applications thanks to our patents

A few examples:

GP2 Powertrain 

LMP1 Engine 

Aircraft Diesel piston engine

To find out more, please visit