The British Rail Class 91 is a class of 140 mph (225 km / h), 4.54MW / 6,300 hp electric locomotives ordered as a component of the East Coast Main Line modernisation and electrification programme of the late 1980s.
The East Coast Main Line program started in the 1980's to modernize and electrify their railways uses the British Rail Class 91 a 6,300 hp locomotive.