MORE than 30 years have passed since the first of 31 Class 91 electric locomotives were introduced as part of the second phase of the East Coast Main Line electrification. With much of their technology based on the electric APT, the Class 91 was intended to operate push-pull sets comprising new Mk.4 stock and DVTs which would be profiled
Portrait of the Class 91
Jun 14, 2022
2 minutes
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