We use cookies to support user-friendliness. By continuing to surf on the website, you are consenting to the use of cookies. More information can be found in our data protection regulations.


Gearbox for heavy duty locomotives

The RENK-MAAG GmbH gearbox for heavy duty locomotives is specially designed for the use in direct drive locomotives. This gearbox improves the efficiency at full load from around 70 % to more than 96 % in forward and reverse.


  • As a retrofit solution in older diesel locomotives

Scope of performance

  • 500–1000 kW
  • Pre-Connected is a 6-gear automatic transmission with speeds from 300–1500 rpm

Added value with RENK-MAAG gearbox for heavy duty locomotives

  • Gear units designed precisely to customer requirements (Drop-in and/or retrofit solution)
  • Highest reliability
  • Low maintenance
  • Compact design
  • Additional engineering services (e.g. rotor dynamics of the strand, modal analysis of the overall structure, etc.)

RENK-MAAG GmbH Switzerland

Sulzer-Allee 46
P.O. Box 3068
8404 Winterthur
T +41 52 262 89 88
F +41 52 262 89 89
Contact | Service | Worldwide Contacts