Murdoch is a mighty engine with 12 wheels. He was brought to the island to help with the heavy workload and pull freight on the mainline. As shy as he is strong, Murdoch can often be found seeking peace and quiet.
Murdoch finds that the countryside is not as peaceful and quiet as he would have liked when he encounters a track full of wandering, noisy sheep. Murdoch is based on a BR standard class 9F goods engine.