Class 33 33053 at an unidentified location.
98 class 33's were built by BRCW and Cromptons they have a Bo-Bo wheel layout, 2 x 4 wheel bogies.
Originally D 6571 she is normally on the Mid-Hants Railway, could that be where this photo was taken?
See picture #6124
from Peter Langsdale of her at Ropley on the Mid-Hants.
Picture added on 16 January 2011 at 19:52