Bagnall 0-4-0ST

Alfred and Judy are two four-wheel saddle tank railway steam locomotives. They were built by W.G. Bagnall for use at Par harbour in Cornwall, United Kingdom. The unusually low design was required to cope with extremely tight curves and a very low bridge under the Cornish Main Line. The locomotives are both preserved in operational condition on the nearby Bodmin and Wenford Railway and inspired the Rev. W. Awdry to include them in The Railway Series of children's books.