During the mid-1960s, BR was looking to introduce a high-powered diesel loco to improve services on the West Coast Main Line. Although the new Class 47s would have perhaps been the first choice, these were already proving unreliable and suffered regular engine failures. Subsequently, BR opted to lease 50 locomotives from English Electric instead. Initially known as English Electric Type 4s, the locos were purchased outright by BR at the end of the...
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Transportation