A mounting for connecting an operating head, that generates vibrations when in use, to a vehicle in a manner to minimize the transmission of vibrations from the head to the vehicle. The mounting comprising a number of female connector device on one of the head and the vehicle and a similar number of male connecting device on the other of the head and vehicle, the male connecting device each carrying a resilient sleeve. The male connecting device are inserted into the female connecting device and a bolt is passed through each female connecting device and each resilient sleeve associated with it to join the head to the vehicle.