| • Science | • People | • Locations | • Timeline |
| Mark | Built | Features |
|---|---|---|
| Mark 3 | 1972-85 | The basic model, for use in High Speed Train sets |
| Mark 3A | 1975-84 | The basic model, for use in locomotive-hauled rakes |
| Mark 3B | 1985-88 | Improvement of the Mark 3A with new styles of seating and lighting |
| Mark 1 - Mark 2 - Mark 3 - Mark 4 | |
| Passenger Coaches | |
| Mark 1: | FK - SK |
| Mark 2: | DBSO - FK - SK |
| Non-Passenger Coaches | |
| Mark 3 & 4: | DVT |