Diesel-Electric: Traditional Diesel-Electric Propulsion

This traditional diesel-electric propulsion system increases operational efficiency, especially at slow speeds—important for applications such as dynamic positioning.


High Voltage

Data / Command Signals

System Overview

  • Traditional diesel-electric propulsion
  • Optimizes fuel consumption by replacing variable-speed propulsion engines with constant-speed generator engines
  • Machinery compartments can be located to optimize cargo space or meet class requirements

Reduction Gearbox

  • Allows for standard speed/smaller e-motor through motor speed reduction
  • Bi-directional input to utilize e-motor directional capabilities
  • Meets all applicable marine standards, including survey society approvals

Propulsion Controller

  • Twin Disc standard propulsion controller and operator interface

Hybrid Controller

  • Manages power distribution, interfacing with propulsion controller and high voltage equipment


  • Selection based on application characteristics (torque, installation)

Inverter, High Voltage Equipment

  • Controlled and monitored by hybrid controller


  • Not supplied by Twin Disc

Profitable. Sustainable. Powerful.

These innovative hybrid and electric systems support greener power transmission while delivering the reliability you expect from Twin Disc. Explore some of Twin Disc’s hybrid and electrification options, then contact our team of experts to learn about the endless custom solutions available to create the optimal system. With more than a hundred years of experience in the design of innovative power transmission products, Twin Disc understands your needs and delivers the solutions that earn your confidence.


Take the next step

Twin Disc specialists are available to work with your technical experts to select the optimal configuration and components for your specific application.

Get Started