A pneumatic washing and drying machine including a washing chamber and a liquid reservoir in fluid communication with the washing chamber, the washing chamber internally including spray nozzles directed towards at least a part to be washed arranged within the washing chamber and configured to spray a fluid so as to wash the at least one part and then air so as to dry the at least one part, the pneumatic washing and drying machine further includes a pneumatic unit powered by a compressed air supply to provide a liquid from the liquid reservoir to the spray nozzles via the air from the compressed air supply, and then provide air from the compressed air supply to the spray nozzles.