As a 2-8-4 with the four driving axles in its centre sporting connecting rods, it resembled a steam locomotive from the chassis downwards but with a very diesel-age cab and superstructure.

Most of you know me from my career as a main line diesel locomotive engineer - a fair assessment. Deep down inside of me ...

turned to the Leeds-based lock manufacturer because it needed to replace the original cab locks during a major overhaul of its 30-strong fleet of Class 67 diesel-electric locomotives. Andy Hewitt, ...