Pilbara Railways Historical Society, Goldsworthy Mining Ltd B class unit 1, an English Electric built ST95B model, originally built in 1965 serial A-104, due to accident damage rebuilt on new frame with serial A232 in 1970. These units of Bo-Bo design with a 6CSRKT 640kW prime mover and built at the Rocklea Qld plant. 9th October 2005.