[D5152, 5152, 25002] [D5178, 5178, 25028] 25235 More Information Howat, Colin J. Class 25, 26 and 27 Locomotives in Scotland. Amberley Publishing, 2023. Tayler, A.T.H. BR Locomotives: 2 – Sulzer Types 2 and 3. Ian Allan Ltd., 1984.