35 photo (s) Updated on: 04/26/2016. Norhwest 80D loads a Payhauler 180 at the Readymix Quarry StMarys/Erskine Park, New South Wales, Australia, early to mid 1970's. Koehring 3.5yd shovel, linkage control, set up for Dragline duties, had been working at the Readymix Quarry St Marys, NSW, Australia, brought over to Prospect Quarry, …Web