Part Number:X1846, X8235, X8246 and others - also known as X8202 and M2209. It is also used in the 0-4-0 'Pug' shown on service sheet 214 and the 0-6-0 Terrier on service sheets 214 and 216. Amongst other locos it will also fit the J94 shown on service sheet 211 and the Class 142 Pacer.