dual-clutch transmission for electric-drive vehicles. Dubbed 2eDCT600, Getrag's two-speed unit is supposedly ideal for pure electric vehicles, plug-in hybrids and range-extended automobiles.

The electric motor's speed is reduced from tens of thousands of RPM down to wheel speeds by two separate planetary gearsets on either end of the casing. This allows the motor and gearboxes to be ...

The gearbox is, of course, the main thing that prompted all of these changes in the first place. The idea of a two-speed gearbox has been abandoned in favor of a single speed constant mesh unit.

Look to the lengthy photo captions for greater detail. AMG has mounted an electric motor at the rear with its own 2-speed gearbox. As speeds climb, the ... [+] motor’s gearbox will kick it up a ...