| displacement = per engine It was originally classified as a Class 180,
Fleet details
{| class="wikitable"
!Class
!Operator
!Qty.
!Year built
!Cars per unit
!Unit nos.
!Notes
|-
!950
|Network Rail
|align=center|1
|align=center|1987
|align=center|2
|align=center|950001
| Network Rail Test Train
|}