37676 Loch Rannoch on Flickr.
The British Rail Class 37 diesel-electric locomotive. Also known as the English Electric Type 3 No 37676 Loch Rannoch. At Glenrothes withh Thornton for the SRPS Aviemore and Inverness Railtour. Sitting on the Tailend with LMS 46115 Scots Guardsman at the Front. 37676 was there for the Dundee to Perth section of the tour due to there no longer being a turntable at Dundee