Oliver is a Great Western Engine who has a brakevan named Toad.
- 1999 (plastic funnel)
- 2002 (cab ledge removed)
- 2004 (eyes painted, only available in Smelting Yard)
- 2006 (updated face, correctly proportioned tanks, green wheels, additional detailing)
- 2014 (updated face, additional detail added longer magnet guards, curved edges, only available in Oliver's Fossil Freight)
- 2015 (lip on wheels, only available in Oliver and Oliver)
- 2017 (smaller face, more wooden boiler, only available in Oliver and Oliver)