158728 Class 158  Scotrail
158728 Class 158. The Class 158 is a two- or three-car diesel unit. which were constructed between 1989 and 1992.  Scotrail currently operates a fleet of forty Class 158 &quot;Express&quot; DMUs. These are allocated between Corkerhill Depot and Inverness Depot. The units are primarily used on long-distance rural services as well as short distance commuter services within the Central Belt.  ScotRail was the first part of British Rail to introduce the Class 158s to public service in September 1990 on Glasgow Queen Street to Edinburgh Waverley