The Jumbuck Pastoral Company is an Australian company that operates numerous cattle stations and sheep stations in Western Australia, South Australia and the Northern Territory It is one of the largest landowners in Australia and the biggest wool grower. Jumbuck controls over 50,000 square kilometres (19,305 sq mi) of holdings which run approximately 320,000 head of sheep and 80,000 head of cattle. B.H. MacLachlan handed over to his son, H.G. (Hugh) MacLachlan in 1960. Hugh took up pastoral leases in Western Australia at Rawlinna Station and Madura Plains.