Allanshaw was a 1,589 ton, iron sailing ship with a length of 80.1 metres (263 ft), beam of 12.3 metres (40 ft) and draught of 7.0 metres (23.0 ft). She was built by William Simons & Company of Renfrew for the J.G. Potter & Company of Liverpool and launched on 29 August 1874. She was bought by the Nourse Line on 26 November 1880. She was a fast ship, making the run from London to Sydney in 65 days.