[1][2] Dame Ann is based on the Penrhyn Port Class locomotive built by Hunslet Engine Company in the 19th century.

[1][2] Gareth is a Simplex 40S[3] diesel locomotive built by British locomotive-building company Motor Rail in the mid 1960s.

[2] The two thousand pound locomotive was purchased from Alan Keef Ltd for use in the construction of the Wales West Light Railway.

[2] Gareth originally featured steam out-line body and had been used to pull a single car train in Scotland.

[2] Passenger cars on the Wales West Light Railway are replicas based on plans dating to the 19th century.