British Rail Class 421
Fleet details
Columns: Class | Type | No. built (Converted*) | Year built (Converted*) | No. range | Withdrawn
Class 420 | 4Big | 18 | 1965-66 | 7031-7048 | 1986 | Class 420 | 4Big | 10 | 1970 | 7049-7058 | 1988 | Class 421 | 4Cig | 36 | 1963-66 | 7301-7336 (later 1101-1136) | 1993 | Class 421 | 4Cig | 102 | 1970-74 | 7337-7438 (later 1201-1300) | 1993 | Class 421 | 8Mig | 2* | 1983* | 2601–2602 | 1983