The British Rail Class 09 is a class of 0-6-0 diesel locomotive designed primarily for shunting and also short distance freight trips along branch lines.The 26 locos are similar to the Class 08 shunting locomotives but have different gearing, giving a top speed of 27.5 mph (44 km/h) at the expense of a lower tractive effort. They were introduced from 1959 to 1962 and originally operated in the Southern Region of British Railways.