Man's leg amputated in NSW farm accident

A 56-year-old man has severed his leg while using an industrial lawnmower on a rural property northwest of Sydney.

The accident happened at Wilberforce on Monday afternoon.

A CareFlight helicopter arrived at the property around 4.25pm and found the man's lower leg had been amputated.

The clinical team placed him in an induced coma to stabilise him and airlifted him to Westmead Hospital in a stable condition.