Getting away from trucks i know. Working on a station in SW Qld a couple of years ago. Assisted in rescuing this Ruston Proctor steam engine. It was shipped from England around 1911 and used for sinking bores ,in the district for many years.
If you have the number of it I can tell you more details. Might even be a sister to mine.
Photos might be too many mb's, which is common if the pics were taken on a phone. Gryphon to advise how to reduce size.