
No.9 is a 4-wheel battery electric locomotive, Clayton B0457, built in 1974. It was formerly in use at the Aberllefenni Slate Quarry by Wincilate Limted. At the request of Wincilate, the locomotive carries the name "Aberllefenni". It has regular use as a carriage shed shunter, but is too light for actual passenger carriage work. As per No.5, it also does not have air brakes fitted.