Prototype 4-PEP unit 4001 on a Hampton Court service in June 1975. One of 3 similar units used as part of an extensive BR testing and research programme in the 1970s. Eventually withdrawn in 1977 the units provided valuable input into the design and features incorporated in subsequent production classes.
Location: Hampton Court
Original line: Hampton Court Branch (London and South Western Railway)
Photographer: Ian Dinmore
Contact photographer: Ian Dinmore
Date: 22/06/1975
Image number: 20691