The Class 43 diesel locomotive is the world's fastest diesel locomotive. It is capable of reaching speeds of 148 MPH.
Class 43 High Speed Trains at London Paddington, August 23, 2002
Interior of a Class 43 High Speed Train "A Car", August 23, 2002
Class 43 High Speed Train at London Paddington, August 23, 2002
Class 43 High Speed Train at Bath Spa, August 23, 2002
Class 43 High Speed Train at Bath Spa, August 23, 2002
Class 66 538 passing Kenton Station on London Underground's Bakerloo Line, May 19, 2008
Class 67 012 passing Dollis Hill Station on London Underground's Jubilee Line, May 21, 2008