5 Speed

TERRAMAX

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About TERRAMAX

Introducing the 5-Speed TERRAMAX electric powertrain, designed to be a direct bolt-on replacement for the factory transmission.
Built for mining applications, this powertrain is engineered for 30,000 hours of heavy-haul operations, featuring:

  • Multi-plane planetary architecture with full-compliment bearings
  • Load paths for continuous 2 MW-class duty
  • Spur gearsets designed for high torque cycles
  • A thermal system capable of operating in 57°C ambient mine temperatures
  • Sigma Powertrain’s proprietary clutch technology