轉向舵機(steeringengine)是針船隻的動力轉向設備。 第一個有回授的轉向舵機是在伊桑巴德·金德姆·布鲁内尔在1866年所造的大東方號上。此轉向舵機由蘇格蘭工程師 Designed by Scottish engineer John McFarlane Gray(英语:John McFarlane
on the driver, steering force and transmission of road forces back to the steering wheel and the steering ratio of turns of the steering wheel to turns