A coupling assembly (13, 19, 23, 24, 25, 26) for a machine comprising: a pin comprising: a first end; a second end; an outer surface extending between the first and second ends; at least a first pin passageway for lubricant extending between a first pin passageway inlet located at the first end of the pin and a first pin passageway outlet located at the outer surface of the pin for directing lubricant outside of the pin to the outer surface; and at least a second pin passageway for lubricant extending between a second pin passageway inlet and second pin passageway outlet; and a distribution device for distributing lubricant comprising at least one distribution device inlet for receiving lubricant and at least one distribution device outlet, wherein the distribution device is mounted to the pin and the at least one distribution device outlet is arranged to direct lubricant into the first pin passageway inlet, characterised in that the second pin passageway inlet is located in the outer surface of the pin and the second pin passageway outlet is located in the first end of the pin for directing lubricant from the outer surface of the pin to the second pin passageway outlet and further characterised in that the at least one distribution device inlet is aligned with the second pin passageway outlet for directing lubricant from the second pin passageway into the at least one distribution device inlet. a pin comprising: a first end; a second end; an outer surface extending between the first and second ends; at least a first pin passageway for lubricant extending between a first pin passageway inlet located at the first end of the pin and a first pin passageway outlet located at the outer surface of the pin for directing lubricant outside of the pin to the outer surface; and at least a second pin passageway for lubricant extending between a second pin passageway inlet and second pin passageway outlet; and a first end; a second end; an outer surface extending between the first and second ends; at least a first pin passageway for lubricant extending between a first pin passageway inlet located at the first end of the pin and a first pin passageway outlet located at the outer surface of the pin for directing lubricant outside of the pin to the outer surface; and at least a second pin passageway for lubricant extending between a second pin passageway inlet and second pin passageway outlet; and a distribution device for distributing lubricant comprising at least one distribution device inlet for receiving lubricant and at least one distribution device outlet, wherein the distribution device is mounted to the pin and the at least one distribution device outlet is arranged to direct lubricant into the first pin passageway inlet, characterised in that the second pin passageway inlet is located in the outer surface of the pin and the second pin passageway outlet is located in the first end of the pin for directing lubricant from the outer surface of the pin to the second pin passageway outlet and further characterised in that the at least one distribution device inlet is aligned with the second pin passageway outlet for directing lubricant from the second pin passageway into the at least one distribution device inlet.