Back Innenbordmotor German Sisemootor Estonian Sisämoottori Finnish In-board French Motore entrobordo Italian 船内機 Japanese Inombordsmotor Swedish
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An inboard motor is a marine propulsion system for boats. As opposed to an outboard motor, where an engine is mounted outside the hull of the craft, an inboard motor is an engine enclosed within the hull of the boat, usually connected to a propulsion screw by a driveshaft.
Marine diesel engines used in international shipping are the largest, most powerful engines ever produced.[1]