The present invention is concerned with an autonomous farm vehicle, and in a preferred embodiment the vehicle is a plough which is capable of driving itself without input from an operator, is significantly lighter in weight and smaller in size then a combined tractor and plough, and can be operated continuously, the vehicle including a chassis mounted on a plurality of wheels and a tool in the form of a ploughing assembly mounted to the chassis and displaceable about the chassis between a first and a second position, such that in the first position the ploughing assembly is operational while the vehicle is driven in a first direction, and in the second position the plooughing assembly is operational while the vehicle is driven in a second direction substantially opposite to the first direction.