British Rail Class 31 diesel locomotive
Photo of the BR class 31 diesel locomotive D5830. This 115t engine is capable to operate at 90 mph (145 km/h) and was built by Brush Traction somewhere between 1957 and 1962.
This specific loc, D5830, is a preserved example in BR Golden Ochre livery and runs on the heritage Great Central Railway in Leicestershire and Nottinghamshire (England).
See also picture #2883
(taken from almost an identical spot) and picture #4347
. Both of the same locomotive.
Photo thanks to Graham Doughty.
Picture added on 05 February 2009