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.
British Rail Class 91 is a locomtive that can travel up to 140 miles per hour, with 6,300 horsepower. It was bought as part of the East Coast Main Line imporvement programs on the late 1980's.