V&SAR Joint stock wooden sleeping car Acheron was built at the Victorian Railways Newport Workshops (by contractors Fowler and party) for use on The Overland.
See also V&SAR sleeping cars: Angas, Baderloo, Barwon, Coliban, Dargo, Finniss, Glenelg, Inman, Loddon, Onkaparinga, Pekina, Tambo, Torrens.
| 31.8.1923 | Entered service. |
| 6.1936 | Auto couplers fitted. |
| 27.6.1969 | South Australian Railways equity brought by Victorian Railways. |
| 4.9.1969 | Altered to "Sleeping car No. 6". |
| 25.3.1971 | Shower and brakevan facilities fitted. |
| 3.1972 | Modified as follows, air gauge and brake tap relocated from conductors compartment to saloon compartment; Hand rails fitted inside each door of the saloon compartment; Electric side and tail lamps fitted; Fly wire screens fitted to the window of sleeping compartments. |
| 4.1980 | Lounge abolished and berth 1 and 2 enclosed. |
| 1984 | Fitted with Spirit of Progress bogies. |
| 5.1986 | Being used on the "Train of Knowledge". |
| 1990 | Withdrawn and allocated to Seymour Loco Group. |
| 2017 | Reallocated to "Victorian Goldfields Railway". |
| 17.6.2017 | Move from "Seymour to Newport" . |
