The drive system used by boats, like the V24, running inboard engines. The outdrive is mounted on the transom and often contains the steering mechanism of the boat.

A propulsion system for boats with an inboard engine operating an exterior drive, with drive shaft, gears, and propeller; also called stern-drive and inboard/outboard.

The outdrive refers to shafts that exit the differential on either side and transmit driveline power to the drive wheels using an axle shaft or universal.