This locomotive was built in the Company's St. Rollox Workshops in 1896 to the designs of J.F. McIntosh, Locomotive Superintendent. The cylinders were 18¼in dia. by 26in stroke and the coupled wheels were 6ft 6in dia. Boiler pressure160 lbs per sq. in. Weight of engine and tender in working order - 86 tons. This was one of the most successful engines of its time and when first p1aced in service created a sensational performance in working the west coast tourist express trains over the Caledonian section, the journey between Carlisle and Stirling - a distance of 117¾ miles in 125 minutes.