37901 approaches Glyndyfrdwy with the 1200 Llangollen-Carrog.

37901 departs from Ramsbottom during the East Lancashire Railway Diesel Event. 37109 is dead on the rear.

37901 arriving into Summerseat during the East Lancashire Railway Diesel Event.

Preserved Class 37 no 37 901 Mirlees Pioneer on display at the Northern Trains Community Open Day at Leeds Neville Hill Depot.

37901 powers a short freight along the Llangollen Railway in Wales during a photo charter.