By April 1993, a number had been withdrawn and partially stripped with 31 in service or under repair. Following a decision by National Rail to use diesel locomotives on its services over the electrified network, the need for electric locomotives decreased.
In April 1993, a significant reduction in locomotive numbers had occurred, leaving 31 in service or requiring repair. This shift was triggered by National Rail's decision to switch to diesel-powered trains on its electrified routes, subsequently decreasing the need for electric locomotives.