Hornby OO BR Provincial, Class 156, Set 156401, DMS No. 57401 And DMSL No. 52401, Era 8 R3773

Two-car set 156401, comprising DMS No. 57401 and DMSL No. 52401, was the first of the class to enter service, being built in November 1987 and sent to the RTC at Derby in December for type testing and evaluation. The unit entered revenue earning service at Norwich Crown Point, working East Anglia to North West express services.